21394977360

Names of 21394977360

• Cardinal: 21394977360 can be written as Twenty-one billion, three hundred ninety-four million, nine hundred seventy-seven thousand, three hundred sixty.

Scientific notation

• Scientific notation: 2.139497736 × 10¹⁰

Factors of 21394977360

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 413

Divisors of 21394977360

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 19 20 24 29 30 31 34 38 40 48 51 57 58 60 62 68 76 80 85 87 93 95 102 114 116 120 124 136 145 152 155 170 174 186 190 204 228 232 240 248 255 272 285 290 304 307 310 323 340 348 372 380 408 435 456 464 465 493 496 510 527 551 570 580 589 614 620 646 680 696 744 760 816 870 899 912 921 930 969 986 1020 1054 1102 1140 1160 1178 1228 1240 1292 1360 1392 1479 1488 1520 1535 1581 1615 1653 1740 1767 1798 1842 1860 1938 1972 2040 2108 2204 2280 2320 2356 2456 2465 2480 2584 2635 2697 2755 2945 2958 3070 3162 3230 3306 3480 3534 3596 3684 3720 3876 3944 4080 4216 4408 4495 4560 4605 4712 4845 4912 4930 5168 5219 5270 5394 5510 5833 5890 5916 6140 6324 6460 6612 6960 7068 7192 7368 7395 7440 7752 7888 7905 8265 8432 8816 8835 8903 8990 9210 9367 9424 9517 9690 9860 10013 10438 10540 10788 11020 11666 11780 11832 12280 12648 12920 13224 13485 14136 14384 14736 14790 15283 15504 15657 15810 16530 17081 17499 17670 17806 17980 18420 18734 19034 19380 19720 20026 20876 21080 21576 22040 23332 23560 23664 24560 25296 25840 26095 26448 26709 26970 28101 28272 28551 29165 29580 30039 30566 31314 31620 33060 34162 34998 35340 35612 35960 36840 37468 38068 38760 39440 40052 41752 42160 43152 44080 44515 45849 46664 46835 47120 47585 50065 51243 52190 53418 53940 56202 57102 58330 59160 60078 61132 62628 63240 66120 68324 69996 70680 71224 71920 73680 74936 76136 76415 77520 78285 80104 83504 85405 87495 89030 91698 93328 93670 95170 99161 100130 102486 104380 106836 107880 112404 114204 116660 118320 120156 122264 125256 126480 132240 133545 136648 139992 140505 141360 142448 142755 149872 150195 151351 152272 152830 156570 160208 161789 169157 170810 174990 178060 180823 183396 187340 190340 198322 200260 204972 208760 213672 215760 224808 228408 229245 233320 240312 244528 250512 256215 267090 273296 275993 279984 281010 285510 290377 297483 300390 302702 305660 313140 323578 338314 341620 349980 356120 361646 366792 374680 380680 396644 400520 409944 417520 427344 449616 454053 456816 458490 466640 480624 485367 495805 507471 512430 534180 542469 551986 562020 571020 580754 594966 600780 605404 611320 626280 647156 676628 683240 699960 712240 723292 733584 749360 756755 761360 793288 801040 808945 819888 827979 845785 871131 904115 908106 916980 970734 991610 1014942 1024860 1068360 1084938 1103972 1124040 1142040 1161508 1189932 1201560 1210808 1222640 1252560 1294312 1353256 1366480 1379965 1399920 1446584 1451885 1487415 1513510 1586576 1617890 1655958 1691570 1742262 1808230 1816212 1833960 1941468 1983220 2029884 2049720 2136720 2169876 2207944 2248080 2270265 2284080 2323016 2379864 2403120 2421616 2426835 2537355 2588624 2706512 2712345 2759930 2875669 2893168 2903770 2974830 3027020 3073991 3235780 3311916 3383140 3484524 3616460 3632424 3667920 3882936 3966440 4059768 4099440 4139895 4339752 4355655 4415888 4540530 4646032 4691881 4759728 4853670 5074710 5243867 5424690 5519860 5751338 5807540 5949660 6054040 6147982 6471560 6623832 6766280 6969048 7232920 7264848 7765872 7932880 8119536 8279790 8627007 8679504 8711310 9081060 9221973 9383762 9707340 10149420 10487734 10849380 11039720 11502676 11615080 11899320 12108080 12295964 12943120 13247664 13532560 13938096 14075643 14378345 14465840 15369955 15731601 16559580 17254014 17422620 18162120 18443946 18767524 19414680 20298840 20975468 21698760 22079440 23005352 23230160 23459405 23798640 24591928 26219335 28151286 28756690 30739910 31463202 33119160 34508028 34845240 36324240 36887892 37535048 38829360 40597680 41950936 43135035 43397520 46010704 46109865 46918810 49183856 52438670 56302572 57513380 61479820 62926404 66238320 69016056 69690480 70378215 73775784 75070096 78658005 83901872 86270070 89145739 92219730 93837620 104877340 112605144 115026760 122959640 125852808 138032112 140756430 147551568 157316010 172540140 178291478 184439460 187675240 209754680 225210288 230053520 245919280 251705616 267437217 281512860 314632020 345080280 356582956 368878920 375350480 419509360 445728695 534874434 563025720 629264040 690160560 713165912 737757840 891457390 1069748868 1126051440 1258528080 1337186085 1426331824 1782914780 2139497736 2674372170 3565829560 4278995472 5348744340 7131659120 10697488680 21394977360
• Sum of all divisors σ(n): 79194931200
• Sum of proper divisors (its aliquot sum) s(n): 57799953840
• 21394977360 is an abundant number, because the sum of its proper divisors (57799953840) is greater than itself. Its abundance is 36404976480

Bases of 21394977360

• Binary: 10011111011001111010111001001010000₂
• Hexadecimal: 0x4FB3D7250
• Base-36: 9TU0M6O

Squares and roots of 21394977360

• 21394977360 squared (21394977360²) is 457745056234912569600
• 21394977360 cubed (21394977360³) is 9793445114797881268171424256000
• The square root of 21394977360 is 146270.2203457697
• The cube root of 21394977360 is 2776.1138773195

Scales and comparisons

• 21,394,977,360 seconds is equal to 680 years, 15 weeks, 2 days, 1 hour, 16 minutes.
• To count from 1 to 21,394,977,360 would take you about one thousand, three hundred sixty 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 21394977360 cubic inches would be around 231.3 feet tall.

Recreational maths with 21394977360

• 21394977360 backwards is 06377949312
• 21394977360 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21394977360's digits is 51
• More coming soon!