21972132900

Names of 21972132900

• Cardinal: 21972132900 can be written as Twenty-one billion, nine hundred seventy-two million, one hundred thirty-two thousand, nine hundred.

Scientific notation

• Scientific notation: 2.19721329 × 10¹⁰

Factors of 21972132900

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 71

Divisors of 21972132900

• Number of divisors d(n): 297
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 61 75 81 90 100 108 122 135 150 162 180 183 225 243 244 270 300 305 324 366 405 450 486 540 549 610 675 729 732 810 900 915 972 1098 1215 1220 1350 1458 1525 1620 1647 1830 2025 2187 2196 2430 2700 2745 2916 3050 3294 3645 3660 3721 4050 4374 4575 4860 4941 5490 6075 6100 6561 6588 7290 7442 8100 8235 8748 9150 9882 10935 10980 11163 12150 13122 13725 14580 14823 14884 16470 18225 18300 18605 19683 19764 21870 22326 24300 24705 26244 27450 29646 32805 32940 33489 36450 37210 39366 41175 43740 44469 44652 49410 54675 54900 55815 59049 59292 65610 66978 72900 74115 74420 78732 82350 88938 93025 98415 98820 100467 109350 111630 118098 123525 131220 133407 133956 148230 164025 164700 167445 177876 186050 196830 200934 218700 222345 223260 236196 247050 266814 279075 295245 296460 301401 328050 334890 370575 372100 393660 400221 401868 444690 492075 494100 502335 533628 558150 590490 602802 656100 667035 669780 741150 800442 837225 889380 904203 984150 1004670 1111725 1116300 1180980 1200663 1205604 1334070 1476225 1482300 1507005 1600884 1674450 1808406 1968300 2001105 2009340 2223450 2401326 2511675 2668140 2712609 2952450 3014010 3335175 3348900 3601989 3616812 4002210 4446900 4521015 4802652 5023350 5425218 5904900 6003315 6028020 6670350 7203978 7535025 8004420 8137827 9042030 10005525 10046700 10850436 12006630 13340700 13563045 14407956 15070050 16275654 18009945 18084060 20011050 22605075 24013260 24413481 27126090 30016575 30140100 32551308 36019890 40022100 40689135 45210150 48826962 54252180 60033150 67815225 72039780 73240443 81378270 90049725 90420300 97653924 120066300 122067405 135630450 146480886 162756540 180099450 203445675 219721329 244134810 271260900 292961772 360198900 366202215 406891350 439442658 488269620 610337025 732404430 813782700 878885316 1098606645 1220674050 1464808860 1831011075 2197213290 2441348100 3662022150 4394426580 5493033225 7324044300 10986066450 21972132900
• Sum of all divisors σ(n): 72710550003
• Sum of proper divisors (its aliquot sum) s(n): 50738417103
• 21972132900 is an abundant number, because the sum of its proper divisors (50738417103) is greater than itself. Its abundance is 28766284203

Bases of 21972132900

• Binary: 10100011101101001000010010000100100₂
• Hexadecimal: 0x51DA42424
• Base-36: A3DN290

Squares and roots of 21972132900

• 21972132900 squared (21972132900²) is 482774624175262410000
• 21972132900 cubed (21972132900³) is 10607588203126418564894289000000
• 21972132900 is a perfect square number. Its square root is 148230
• The cube root of 21972132900 is 2800.8557290939

Scales and comparisons

• 21,972,132,900 seconds is equal to 698 years, 33 weeks, 4 days, 2 hours, 15 minutes.
• To count from 1 to 21,972,132,900 would take you about one thousand, three hundred ninety-seven 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 21972132900 cubic inches would be around 233.4 feet tall.

Recreational maths with 21972132900

• 21972132900 backwards is 00923127912
• 21972132900 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21972132900's digits is 36
• More coming soon!