21135549200

Names of 21135549200

• Cardinal: 21135549200 can be written as Twenty-one billion, one hundred thirty-five million, five hundred forty-nine thousand, two hundred.

Scientific notation

• Scientific notation: 2.11355492 × 10¹⁰

Factors of 21135549200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 108

Divisors of 21135549200

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 25 34 40 41 43 50 68 80 82 85 86 100 136 164 170 172 200 205 215 272 328 340 344 400 410 425 430 656 680 688 697 731 820 850 860 1025 1075 1360 1394 1462 1640 1681 1700 1720 1763 1849 2050 2150 2788 2924 3280 3362 3400 3440 3485 3526 3655 3698 4100 4300 5576 5848 6724 6800 6970 7052 7310 7396 8200 8405 8600 8815 9245 11152 11696 13448 13940 14104 14620 14792 16400 16810 17200 17425 17630 18275 18490 26896 27880 28208 28577 29240 29584 29971 31433 33620 34850 35260 36550 36980 42025 44075 46225 55760 57154 58480 59942 62866 67240 69700 70520 72283 73100 73960 75809 84050 88150 92450 114308 119884 125732 134480 139400 141040 142885 144566 146200 147920 149855 151618 157165 168100 176300 184900 228616 239768 251464 278800 285770 289132 292400 299710 303236 314330 336200 352600 361415 369800 379045 457232 479536 502928 571540 578264 599420 606472 628660 672400 705200 714425 722830 739600 749275 758090 785825 1143080 1156528 1198840 1212944 1228811 1257320 1288753 1428850 1445660 1498550 1516180 1571650 1807075 1895225 2286160 2397680 2457622 2514640 2577506 2857700 2891320 2997100 3032360 3108169 3143300 3614150 3790450 4915244 5155012 5715400 5782640 5994200 6064720 6144055 6216338 6286600 6443765 7228300 7580900 9830488 10310024 11430800 11988400 12288110 12432676 12573200 12887530 14456600 15161800 15540845 19660976 20620048 24576220 24865352 25775060 28913200 30323600 30720275 31081690 32218825 49152440 49730704 51550120 52838873 61440550 62163380 64437650 77704225 98304880 103100240 105677746 122881100 124326760 128875300 155408450 211355492 245762200 248653520 257750600 264194365 310816900 422710984 491524400 515501200 528388730 621633800 845421968 1056777460 1243267600 1320971825 2113554920 2641943650 4227109840 5283887300 10567774600 21135549200
• Sum of all divisors σ(n): 56419831422
• Sum of proper divisors (its aliquot sum) s(n): 35284282222
• 21135549200 is an abundant number, because the sum of its proper divisors (35284282222) is greater than itself. Its abundance is 14148733022

Bases of 21135549200

• Binary: 10011101011110001101110001100010000₂
• Hexadecimal: 0x4EBC6E310
• Base-36: 9PJK64W

Squares and roots of 21135549200

• 21135549200 squared (21135549200²) is 446711439985620640000
• 21135549200 cubed (21135549200³) is 9441491618018932329255488000000
• The square root of 21135549200 is 145380.7043592787
• The cube root of 21135549200 is 2764.8474813601

Scales and comparisons

• 21,135,549,200 seconds is equal to 672 years, 2 weeks, 2 days, 9 hours, 53 minutes, 20 seconds.
• To count from 1 to 21,135,549,200 would take you about one thousand, three hundred forty-four 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 21135549200 cubic inches would be around 230.4 feet tall.

Recreational maths with 21135549200

• 21135549200 backwards is 00294553112
• The number of decimal digits it has is: 11
• The sum of 21135549200's digits is 32
• More coming soon!