21357026280

Names of 21357026280

• Cardinal: 21357026280 can be written as Twenty-one billion, three hundred fifty-seven million, twenty-six thousand, two hundred eighty.

Scientific notation

• Scientific notation: 2.135702628 × 10¹⁰

Factors of 21357026280

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1314

Divisors of 21357026280

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 30 36 40 41 45 46 53 60 69 72 82 90 92 106 115 120 123 138 159 164 180 184 205 207 212 230 246 265 276 318 328 345 360 369 410 414 424 460 477 492 530 552 615 636 690 738 795 820 828 920 943 954 984 1035 1060 1187 1219 1230 1272 1380 1476 1590 1640 1656 1845 1886 1908 2070 2120 2173 2374 2385 2438 2460 2760 2829 2952 3180 3561 3657 3690 3772 3816 4140 4346 4715 4748 4770 4876 4920 5658 5935 6095 6360 6519 7122 7314 7380 7544 8280 8487 8692 9430 9496 9540 9752 10683 10865 10971 11316 11870 12190 13038 14145 14244 14628 14760 16974 17384 17805 18285 18860 19080 19557 21366 21730 21942 22632 23740 24380 26076 27301 28290 28488 29256 32595 33948 35610 36570 37720 39114 42435 42732 43460 43884 47480 48667 48760 49979 52152 53415 54602 54855 56580 62911 65190 67896 71220 73140 78228 81903 84870 85464 86920 87768 97334 97785 99958 106830 109204 109710 113160 125822 130380 136505 142440 146001 146280 149937 156456 163806 169740 188733 194668 195570 199916 213660 218408 219420 243335 245709 249895 251644 260760 273010 292002 299874 314555 327612 339480 377466 389336 391140 399832 409515 427320 438003 438840 449811 486670 491418 499790 503288 546020 566199 584004 599748 629110 655224 730005 749685 754932 782280 819030 876006 899622 943665 973340 982836 999580 1092040 1119341 1132398 1168008 1199496 1228545 1258220 1446953 1460010 1499370 1509864 1638060 1752012 1799244 1887330 1946680 1965672 1999160 2190015 2238682 2249055 2264796 2457090 2516440 2579351 2830995 2893906 2920020 2998740 3276120 3358023 3504024 3598488 3774660 4340859 4380030 4477364 4498110 4529592 4914180 5158702 5596705 5661990 5787812 5840040 5997480 6716046 7234765 7549320 7738053 8681718 8760060 8954728 8996220 9828360 10074069 10317404 11193410 11323980 11575624 12896755 13022577 13432092 14469530 15476106 16790115 17363436 17520120 17992440 20148138 20634808 21704295 22386820 22647960 23214159 25793510 26045154 26864184 28939060 30952212 33580230 34726872 38690265 40296276 43408590 44773640 46428318 50370345 51587020 52090308 57878120 59325073 61904424 65112885 67160460 77380530 80592552 86817180 92856636 100740690 103174040 104180616 116070795 118650146 130225770 134320920 154761060 173634360 177975219 185713272 201481380 232141590 237300292 260451540 296625365 309522120 355950438 402962760 464283180 474600584 520903080 533925657 593250730 711900876 889876095 928566360 1067851314 1186501460 1423801752 1779752190 2135702628 2373002920 2669628285 3559504380 4271405256 5339256570 7119008760 10678513140 21357026280
• Sum of all divisors σ(n): 75658302720
• Sum of proper divisors (its aliquot sum) s(n): 54301276440
• 21357026280 is an abundant number, because the sum of its proper divisors (54301276440) is greater than itself. Its abundance is 32944250160

Bases of 21357026280

• Binary: 10011111000111110100101101111101000₂
• Hexadecimal: 0x4F8FA5BE8
• Base-36: 9T7F6Y0

Squares and roots of 21357026280

• 21357026280 squared (21357026280²) is 456122571524610638400
• 21357026280 cubed (21357026280³) is 9741421746952289071076377152000
• The square root of 21357026280 is 146140.4334193653
• The cube root of 21357026280 is 2774.4714532679

Scales and comparisons

• 21,357,026,280 seconds is equal to 679 years, 4 weeks, 3 days, 19 hours, 18 minutes.
• To count from 1 to 21,357,026,280 would take you about one thousand, three hundred fifty-eight 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 21357026280 cubic inches would be around 231.2 feet tall.

Recreational maths with 21357026280

• 21357026280 backwards is 08262075312
• 21357026280 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21357026280's digits is 36
• More coming soon!