21315868200

Names of 21315868200

• Cardinal: 21315868200 can be written as Twenty-one billion, three hundred fifteen million, eight hundred sixty-eight thousand, two hundred.

Scientific notation

• Scientific notation: 2.13158682 × 10¹⁰

Factors of 21315868200

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 158

Divisors of 21315868200

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 17 18 19 20 22 24 25 27 30 33 34 36 38 40 44 45 50 51 54 55 57 60 66 68 72 75 76 85 88 90 95 99 100 101 102 108 110 114 120 121 132 135 136 150 152 153 165 170 171 180 187 190 198 200 202 204 209 216 220 225 228 242 255 264 270 275 285 297 300 303 306 323 330 340 342 360 363 374 380 396 404 408 418 425 440 450 456 459 475 484 495 505 510 513 540 550 561 570 594 600 605 606 612 627 646 660 675 680 684 726 748 760 765 792 808 825 836 850 855 900 909 918 935 950 968 969 990 1010 1020 1026 1045 1080 1089 1100 1111 1122 1140 1188 1210 1212 1224 1254 1275 1292 1320 1350 1368 1425 1452 1485 1496 1515 1530 1615 1650 1672 1683 1700 1710 1717 1800 1815 1818 1836 1870 1881 1900 1919 1938 1980 2020 2040 2052 2057 2090 2178 2200 2222 2244 2280 2295 2299 2376 2420 2424 2475 2508 2525 2550 2565 2584 2700 2727 2805 2850 2904 2907 2970 3025 3030 3060 3135 3230 3267 3300 3333 3366 3400 3420 3434 3553 3630 3636 3672 3740 3762 3800 3825 3838 3876 3960 4040 4104 4114 4180 4275 4356 4444 4488 4545 4590 4598 4675 4840 4845 4950 5016 5049 5050 5100 5130 5151 5225 5400 5445 5454 5555 5610 5643 5700 5757 5814 5940 6050 6060 6120 6171 6270 6460 6534 6600 6666 6732 6840 6868 6897 7106 7260 7272 7425 7480 7524 7575 7650 7676 7752 8075 8228 8360 8415 8550 8585 8712 8721 8888 9075 9090 9180 9196 9350 9405 9595 9690 9900 9999 10098 10100 10200 10260 10285 10302 10450 10659 10890 10908 11110 11220 11286 11400 11475 11495 11514 11628 11880 12100 12120 12221 12342 12540 12825 12920 13068 13332 13464 13635 13736 13794 14025 14212 14520 14535 14850 15048 15150 15300 15352 15453 15675 16150 16335 16456 16665 16830 17100 17170 17271 17442 17765 18150 18180 18360 18392 18513 18700 18810 18887 19190 19380 19800 19998 20196 20200 20520 20570 20604 20691 20900 21109 21318 21780 21816 22220 22440 22572 22725 22950 22990 23028 23256 24200 24225 24442 24684 25080 25245 25650 25755 26136 26664 27225 27270 27588 27775 28050 28215 28424 28785 29070 29700 29997 30300 30600 30855 30906 31350 31977 32300 32623 32670 33330 33660 34200 34340 34485 34542 34884 35530 36300 36360 36663 37026 37400 37620 37774 38380 38760 39083 39996 40392 41140 41208 41382 41800 42075 42218 42636 42925 43560 43605 44440 45144 45450 45900 45980 46056 46359 47025 47975 48450 48884 49368 49995 50490 51300 51425 51510 51813 53295 54450 54540 55176 55539 55550 56100 56430 56661 57475 57570 58140 59400 59994 60600 61105 61710 61812 62073 62700 63327 63954 64600 65246 65340 66660 67320 68175 68680 68970 69084 69768 71060 72600 72675 73326 74052 75240 75548 76760 77265 78166 79992 81675 82280 82764 83325 84150 84436 85272 85850 86355 87210 88825 90900 91800 91960 92565 92718 94050 94435 95931 95950 96900 97768 97869 99990 100980 102600 102850 103020 103455 103626 105545 106590 108900 109080 109989 111078 111100 112200 112860 113322 114950 115140 116280 117249 119988 122210 123420 123624 124146 125400 126225 126654 127908 128775 130492 130680 133320 136350 137940 138168 141075 142120 143925 145350 146652 148104 149985 151096 154275 154530 156332 159885 163115 163350 165528 166650 168300 168872 169983 171700 172425 172710 174420 177650 181800 183315 185130 185436 188100 188870 189981 191862 191900 193800 195415 195738 199980 201960 205700 206040 206910 207252 207757 211090 213180 217800 218025 219978 222156 222200 225720 226644 229900 230280 231795 232199 234498 239976 244420 246840 248292 249975 252450 253308 255816 257550 259065 260984 266475 272700 275880 277695 282150 283305 287850 290700 293304 293607 299970 305525 308550 309060 310365 312664 316635 319770 326230 326700 329967 333300 336600 339966 343400 344850 345420 348840 351747 355300 358853 366630 370260 370872 376200 377740 379962 383724 383800 386325 390830 391476 399960 411400 413820 414504 415514 422180 426360 431775 436050 439956 444312 453288 459800 462825 463590 464398 468996 472175 479655 488840 489345 496584 499950 504900 506616 509949 515100 517275 518130 527725 532950 545400 549945 555390 564300 566610 569943 575700 581400 586245 587214 599940 611050 617100 618120 620730 623271 633270 639540 652460 653400 659934 666600 679932 689700 690840 696597 703494 710600 717706 733260 740520 749925 755480 759924 767448 772650 781660 782952 799425 815575 827640 831028 844360 849915 863550 872100 879912 880821 916575 925650 927180 928796 937992 944350 949905 959310 977075 978690 999900 1009800 1019898 1030200 1034550 1036260 1038785 1055241 1055450 1065900 1076559 1099890 1110780 1128600 1133220 1139886 1151400 1158975 1160995 1172490 1174428 1199880 1222100 1234200 1241460 1246542 1266540 1279080 1295325 1304920 1319868 1359864 1379400 1388475 1393194 1406988 1416525 1435412 1466520 1468035 1499850 1519848 1545300 1551825 1563320 1583175 1598850 1631150 1649835 1662056 1699830 1727100 1744200 1758735 1761642 1794265 1833150 1851300 1854360 1857592 1869813 1888700 1899810 1918620 1954150 1957380 1999800 2039796 2069100 2072520 2077570 2089791 2110482 2110900 2131800 2153118 2199780 2221560 2266440 2279772 2317950 2321990 2344980 2348856 2398275 2444200 2446725 2482920 2493084 2533080 2549745 2590650 2639736 2749725 2776950 2786388 2813976 2833050 2849715 2870824 2931225 2936070 2999700 3090600 3103650 3116355 3166350 3197700 3229677 3262300 3299670 3399660 3454200 3482985 3517470 3523284 3588530 3666300 3702600 3739626 3777400 3799620 3837240 3908300 3914760 3947383 4079592 4138200 4155140 4179582 4220964 4221800 4249575 4306236 4399560 4404105 4559544 4635900 4643980 4689960 4749525 4796550 4893450 4986168 5099490 5181300 5193925 5276205 5382795 5499450 5553900 5572776 5609439 5666100 5699430 5804975 5862450 5872140 5999400 6207300 6232710 6269373 6332700 6395400 6459354 6524600 6599340 6799320 6965970 7034940 7046568 7177060 7332600 7340175 7479252 7599240 7816600 7894766 8249175 8310280 8359164 8441928 8499150 8612472 8793675 8808210 8971325 9271800 9287960 9349065 9499050 9593100 9689031 9786900 10198980 10362600 10387850 10448955 10552410 10765590 10998900 11107800 11218878 11332200 11398860 11609950 11724900 11744280 11842149 12414600 12465420 12538746 12665400 12748725 12918708 13198680 13931940 14069880 14248575 14354120 14680350 14958504 15581775 15789532 16148385 16498350 16718328 16998300 17414925 17587350 17616420 17942650 18698130 18998100 19186200 19378062 19573800 19736915 20397960 20775700 20897910 21104820 21531180 21997800 22020525 22437756 22797720 23219900 23449800 23684298 24930840 25077492 25497450 25837416 26381025 26913975 27863880 28047195 28497150 29360700 31163550 31346865 31579064 32296770 32996700 33996600 34829850 35174700 35232840 35526447 35885300 37396260 37996200 38756124 39473830 41551400 41795820 42209640 43062360 44041050 44875512 46439800 46745325 47368596 48445155 50154984 50994900 52244775 52762050 53827950 56094390 56994300 58721400 59210745 62327100 62693730 64593540 65993400 69659700 70349400 71052894 71770600 74792520 77512248 78947660 80741925 83591640 88082100 93490650 94737192 96890310 98684575 101989800 104489550 105524100 106579341 107655900 112188780 113988600 118421490 124654200 125387460 129187080 139319400 140235975 142105788 156734325 157895320 161483850 176164200 177632235 186981300 193780620 197369150 208979100 211048200 213158682 215311800 224377560 236842980 242225775 250774920 280471950 284211576 296053725 313468650 322967700 355264470 373962600 387561240 394738300 417958200 426317364 473685960 484451550 532896705 560943900 592107450 626937300 645935400 710528940 789476600 852634728 888161175 968903100 1065793410 1121887800 1184214900 1253874600 1421057880 1776322350 1937806200 2131586820 2368429800 2664483525 3552644700 4263173640 5328967050 7105289400 10657934100 21315868200
• Sum of all divisors σ(n): 90837936000
• Sum of proper divisors (its aliquot sum) s(n): 69522067800
• 21315868200 is an abundant number, because the sum of its proper divisors (69522067800) is greater than itself. Its abundance is 48206199600

Bases of 21315868200

• Binary: 10011110110100001100101011000101000₂
• Hexadecimal: 0x4F6865628
• Base-36: 9SIX160

Squares and roots of 21315868200

• 21315868200 squared (21315868200²) is 454366237119771240000
• 21315868200 cubed (21315868200³) is 9685210824974991365990568000000
• The square root of 21315868200 is 145999.5486294393
• The cube root of 21315868200 is 2772.6880378249

Scales and comparisons

• 21,315,868,200 seconds is equal to 677 years, 40 weeks, 3 days, 10 hours, 30 minutes.
• To count from 1 to 21,315,868,200 would take you about one thousand, three hundred fifty-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21315868200 cubic inches would be around 231.1 feet tall.

Recreational maths with 21315868200

• 21315868200 backwards is 00286851312
• 21315868200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21315868200's digits is 36
• More coming soon!