21029727265690

Names of 21029727265690

• Cardinal: 21029727265690 can be written as Twenty-one trillion, twenty-nine billion, seven hundred twenty-seven million, two hundred sixty-five thousand, six hundred ninety.

Scientific notation

• Scientific notation: 2.102972726569 × 10¹³

Factors of 21029727265690

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 10172

Divisors of 21029727265690

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 5 10 11 13 22 26 55 65 110 121 130 143 169 242 286 338 605 715 845 1210 1430 1573 1690 1859 3146 3718 7865 9295 10141 15730 18590 20282 20449 40898 50705 101410 102245 111551 131833 204490 223102 263666 557755 659165 1115510 1227061 1318330 1450163 1713829 2454122 2900326 3427658 6135305 7250815 8569145 12270610 14501630 15951793 17138290 18852119 31903586 37704238 79758965 94260595 102839881 159517930 188521190 205679762 207373309 414746618 514199405 1028398810 1036866545 1131238691 1336918453 2073733090 2262477382 2673836906 5656193455 6684592265 11312386910 12443625601 13369184530 14706102983 17379939889 24887251202 29412205966 34759879778 62218128005 73530514915 86899699445 124436256010 147061029830 161767132813 173799398890 191179338779 323534265626 382358677558 808835664065 955896693895 1617671328130 1911793387790 2102972726569 4205945453138 10514863632845 21029727265690
• Sum of all divisors σ(n): 45058800776346
• Sum of proper divisors (its aliquot sum) s(n): 24029073510656
• 21029727265690 is an abundant number, because the sum of its proper divisors (24029073510656) is greater than itself. Its abundance is 2999346244966

Bases of 21029727265690

• Binary: 100110010000001011101011011000110001110011010₂
• Hexadecimal: 0x13205D6C639A
• Base-36: 7GCX8N4PM

Squares and roots of 21029727265690

• 21029727265690 squared (21029727265690²) is 442249428869305403851176100
• 21029727265690 cubed (21029727265690³) is 9300384872528662078900734761143678009000
• The square root of 21029727265690 is 4585818.0585027575
• The cube root of 21029727265690 is 27602.2539229507

Scales and comparisons

• 21,029,727,265,690 seconds is equal to 668,680 years, 14 weeks, 3 days, 3 hours, 8 minutes, 10 seconds.
• To count from 1 to 21,029,727,265,690 would take you about one million, six hundred seventy-one thousand, seven hundred 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 21029727265690 cubic inches would be around 2300.2 feet tall.

Recreational maths with 21029727265690

• 21029727265690 backwards is 09656272792012
• The number of decimal digits it has is: 14
• The sum of 21029727265690's digits is 58
• More coming soon!