21321385800

Names of 21321385800

• Cardinal: 21321385800 can be written as Twenty-one billion, three hundred twenty-one million, three hundred eighty-five thousand, eight hundred.

Scientific notation

• Scientific notation: 2.13213858 × 10¹⁰

Factors of 21321385800

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 123

Divisors of 21321385800

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 13 15 19 20 22 24 25 26 29 30 33 38 39 40 41 44 50 52 55 57 58 60 65 66 75 76 78 82 87 88 95 100 104 110 114 116 120 121 123 130 132 143 145 150 152 156 164 165 174 190 195 200 205 209 220 228 232 242 246 247 260 264 275 285 286 290 300 312 319 325 328 330 348 363 377 380 390 410 418 429 435 440 451 456 475 484 492 494 520 533 550 551 570 572 580 600 605 615 627 638 650 660 696 715 725 726 741 754 760 779 780 820 825 836 858 870 902 950 957 968 975 984 988 1025 1045 1066 1100 1102 1131 1140 1144 1160 1189 1210 1230 1235 1254 1276 1300 1320 1353 1425 1430 1450 1452 1482 1508 1558 1560 1573 1595 1599 1640 1650 1653 1672 1716 1740 1804 1815 1885 1900 1914 1950 1976 2050 2090 2132 2145 2175 2200 2204 2255 2262 2280 2299 2337 2378 2420 2460 2470 2508 2552 2600 2665 2706 2717 2755 2850 2860 2900 2904 2964 3016 3025 3075 3116 3135 3146 3190 3198 3300 3306 3432 3480 3509 3567 3575 3608 3630 3705 3770 3800 3828 3895 3900 4100 4147 4180 4264 4290 4350 4408 4510 4524 4598 4674 4719 4756 4785 4840 4920 4940 4961 5016 5225 5330 5412 5434 5510 5655 5700 5720 5800 5863 5928 5945 6050 6061 6150 6175 6232 6270 6292 6380 6396 6600 6612 6765 6897 7018 7134 7150 7163 7260 7410 7540 7656 7790 7800 7865 7975 7995 8151 8200 8265 8294 8360 8569 8580 8700 9020 9048 9075 9196 9348 9425 9438 9512 9570 9880 9922 10127 10450 10527 10660 10725 10824 10868 11020 11275 11310 11400 11495 11685 11726 11890 12100 12122 12300 12350 12441 12540 12584 12760 12792 13079 13224 13325 13530 13585 13775 13794 14036 14268 14300 14326 14520 14820 14883 15080 15457 15580 15675 15730 15950 15990 16302 16530 16588 17138 17160 17400 17545 17589 17835 18040 18150 18183 18392 18525 18696 18850 18876 19140 19475 19844 20254 20735 20900 21054 21320 21450 21489 21736 22040 22550 22591 22620 22990 23370 23452 23595 23780 23925 24200 24244 24600 24700 24805 24882 25080 25707 26158 26650 27060 27170 27550 27588 28072 28275 28536 28600 28652 29315 29640 29725 29766 29887 30305 30381 30914 31160 31350 31460 31900 31980 32604 33060 33176 33825 34276 34485 35090 35178 35670 35815 36300 36366 37050 37700 37752 38280 38950 39237 39325 39688 39975 40508 40755 41325 41470 41800 42108 42845 42900 42978 45100 45182 45240 45617 45980 46371 46740 46904 47190 47560 47850 48488 49400 49610 49764 50635 51414 52316 52635 53300 54120 54340 55100 55176 56550 57304 57475 58425 58630 59450 59532 59774 60610 60762 61828 62205 62700 62920 63800 63960 64493 65208 65395 66120 66671 67650 67773 67925 68552 68970 70180 70356 71340 71630 72600 72732 74100 74415 75400 77285 77900 78474 78650 78793 79950 81016 81510 82650 82940 84216 85690 85800 85956 87725 87945 89175 89661 90200 90364 90915 91234 91960 92742 93480 94259 94380 95700 99220 99528 101270 102828 103675 104632 105270 106600 107445 108680 110200 111397 112955 113100 114950 116850 117260 117975 118900 119064 119548 121220 121524 123656 124025 124410 125400 128535 128986 130790 133342 135300 135546 135850 136851 137940 140360 140712 142680 143260 143869 145464 146575 148200 148830 149435 151525 151905 154570 155800 156948 157300 157586 159900 163020 165300 165880 170027 171380 171912 172425 175450 175890 178350 179075 179322 180728 181830 182468 185484 188518 188760 191400 193479 196185 198440 200013 202540 203775 205656 207350 210540 214225 214890 222794 225910 226200 228085 229900 231855 233700 234520 235950 236379 237800 239096 242440 243048 248050 248501 248820 253175 257070 257972 261580 263175 266684 270600 271092 271700 273702 275880 282777 286520 287738 293150 293683 297660 298870 303050 303810 309140 311025 313896 314600 315172 319800 322465 326040 326975 330600 333355 334191 338865 340054 342760 344850 350900 351780 356700 358150 358644 363660 364936 370968 372075 377036 386425 386958 392370 393965 400026 405080 407550 414700 421080 428450 429780 431607 439725 445588 448305 451820 454575 456170 459800 463710 467400 471295 471900 472758 496100 497002 497640 506350 510081 514140 515944 523160 526350 533368 537225 542184 543400 547404 556985 564775 565554 575476 586300 587366 595320 597740 606100 607620 618280 622050 630344 642675 644930 653950 666710 668382 677730 680108 684255 689700 701800 703560 713400 716300 717288 719345 727320 744150 745503 747175 754072 759525 772850 773916 784740 787930 800052 815100 829400 850135 856900 859560 863214 866723 879450 881049 891176 896610 903640 909150 912340 927420 942590 943800 945516 967395 980925 992200 994004 1000065 1012700 1020162 1028280 1052700 1074450 1094808 1113970 1129550 1131108 1140425 1150952 1159275 1172600 1174732 1181895 1195480 1212200 1215240 1225367 1242505 1244100 1285350 1289860 1307900 1333420 1336764 1355460 1360216 1368510 1379400 1413885 1432600 1438690 1468415 1488300 1491006 1494350 1519050 1545700 1547832 1569480 1575860 1600104 1612325 1630200 1666775 1670955 1694325 1700270 1713800 1726428 1733446 1758900 1762098 1793220 1818300 1824680 1854840 1870297 1885180 1891032 1934790 1961850 1969825 1988008 2000130 2025400 2040324 2105400 2148900 2158035 2227940 2241525 2259100 2262216 2280850 2318550 2349464 2356475 2363790 2450734 2485010 2488200 2550405 2570700 2579720 2600169 2615800 2666840 2673528 2710920 2733511 2737020 2784925 2827770 2877380 2936830 2976600 2982012 2988700 3038100 3091400 3151720 3224650 3230513 3333550 3341910 3388650 3400540 3421275 3452856 3466892 3517800 3524196 3586440 3596725 3636600 3676101 3727515 3740594 3770360 3869580 3923700 3939650 4000260 4080648 4250675 4297800 4316070 4333615 4405245 4455880 4483050 4518200 4561700 4637100 4712950 4727580 4836975 4901468 4970020 5000325 5100810 5141400 5200338 5467022 5474040 5569850 5610891 5655540 5754760 5873660 5909475 5964024 5977400 6076200 6126835 6212525 6449300 6461026 6667100 6683820 6777300 6801080 6842550 6933784 7048392 7069425 7193450 7342075 7352202 7455030 7481188 7739160 7847400 7879300 8000520 8200533 8354775 8501350 8632140 8667230 8810490 8966100 9123400 9274200 9351485 9425900 9455160 9673950 9691539 9802936 9940040 10000650 10201620 10400676 10790175 10934044 11139700 11221782 11311080 11747320 11818950 12253670 12425050 12752025 12898600 12922052 13000845 13334200 13367640 13554600 13667555 13685100 14138850 14386900 14684150 14704404 14910060 14962376 15758600 16152565 16401066 16709550 17002700 17264280 17334460 17620980 17932200 18380505 18637575 18702970 18851800 19347900 19383078 20001300 20403240 20801352 21580350 21668075 21868088 22026225 22279400 22443564 23637900 24507340 24850100 25504050 25844104 26001690 27335110 27370200 28054455 28277700 28773800 29368300 29408808 29820120 30634175 32305130 32802132 33419100 34005400 34668920 35241960 35535643 36761010 37275150 37405940 38695800 38766156 40002600 41002665 43160700 43336150 44052450 44887128 46757425 47275800 48457695 49014680 49700200 51008100 52003380 54670220 56108910 56555400 58736600 61268350 64610260 65004225 65604264 66838200 68337775 71071286 73522020 74550300 74811880 77532312 80762825 82005330 86321400 86672300 88104900 91902525 93514850 96915390 102016200 104006760 106606929 109340440 112217820 122536700 129220520 130008450 136675550 140272275 142142572 147044040 149100600 161525650 164010660 173344600 176209800 177678215 183805050 187029700 193830780 205013325 213213858 224435640 242288475 245073400 260016900 273351100 280544550 284285144 323051300 328021320 355356430 367610100 374059400 387661560 410026650 426427716 484576950 520033800 533034645 546702200 561089100 646102600 710712860 735220200 820053300 852855432 888391075 969153900 1066069290 1122178200 1421425720 1640106600 1776782150 1938307800 2132138580 2665173225 3553564300 4264277160 5330346450 7107128600 10660692900 21321385800
• Sum of all divisors σ(n): 87275664000
• Sum of proper divisors (its aliquot sum) s(n): 65954278200
• 21321385800 is an abundant number, because the sum of its proper divisors (65954278200) is greater than itself. Its abundance is 44632892400

Bases of 21321385800

• Binary: 10011110110110110101000011101001000₂
• Hexadecimal: 0x4F6DA8748
• Base-36: 9SM7AKO

Squares and roots of 21321385800

• 21321385800 squared (21321385800²) is 454601492432441640000
• 21321385800 cubed (21321385800³) is 9692733805407868642424712000000
• The square root of 21321385800 is 146018.4433556255
• The cube root of 21321385800 is 2772.9272534107

Scales and comparisons

• 21,321,385,800 seconds is equal to 677 years, 49 weeks, 4 days, 7 hours, 10 minutes.
• To count from 1 to 21,321,385,800 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 21321385800 cubic inches would be around 231.1 feet tall.

Recreational maths with 21321385800

• 21321385800 backwards is 00858312312
• 21321385800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21321385800's digits is 33
• More coming soon!