21030149168091

Names of 21030149168091

• Cardinal: 21030149168091 can be written as Twenty-one trillion, thirty billion, one hundred forty-nine million, one hundred sixty-eight thousand and ninety-one.

Scientific notation

• Scientific notation: 2.1030149168091 × 10¹³

Factors of 21030149168091

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2547

Divisors of 21030149168091

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 17 21 27 51 63 81 119 127 153 189 243 357 381 459 567 889 1071 1143 1377 1701 2159 2393 2667 3213 3429 4131 6477 7179 8001 9639 10287 15113 16751 19431 21537 24003 28917 30861 40681 45339 50253 58293 64611 72009 122043 136017 150759 174879 193833 216027 284767 303911 366129 408051 452277 524637 581499 854301 911733 1098387 1224153 1356831 2127377 2562903 2735199 3295161 3672459 4070493 5166487 5726449 6382131 7688709 8205597 9885483 15499461 17179347 19146393 23066127 24616791 36165409 40085143 46498383 51538041 57439179 69198381 73850373 97349633 108496227 120255429 139495149 154614123 172317537 292048899 325488681 360766287 418485447 463842369 516952611 681447431 727259023 876146697 976466043 1082298861 1255456341 1391527107 2044342293 2181777069 2628440091 2929398129 3246896583 5090813161 6133026879 6545331207 7885320273 8788194387 9740689749 12363403391 15272439483 18399080637 19635993621 23655960819 37090210173 45817318449 55197241911 58907980863 86543823737 111270630519 137451955347 165591725733 176723942589 259631471211 333811891557 412355866041 778894413633 1001435674671 1237067598123 2336683240899 3004307024013 7010049722697 21030149168091
• Sum of all divisors σ(n): 38436228440064
• Sum of proper divisors (its aliquot sum) s(n): 17406079271973
• 21030149168091 is a deficient number, because the sum of its proper divisors (17406079271973) is less than itself. Its deficiency is 3624069896118

Bases of 21030149168091

• Binary: 100110010000001110110100100100001101111011011₂
• Hexadecimal: 0x132076921BDB
• Base-36: 7GD47TYOR

Squares and roots of 21030149168091

• 21030149168091 squared (21030149168091²) is 442267174032158579372584281
• 21030149168091 cubed (21030149168091³) is 9300944642046357266073341709804933377571
• The square root of 21030149168091 is 4585864.0590504861
• The cube root of 21030149168091 is 27602.4385089445

Scales and comparisons

• 21,030,149,168,091 seconds is equal to 668,693 years, 36 weeks, 6 hours, 14 minutes, 51 seconds.
• To count from 1 to 21,030,149,168,091 would take you about one million, six hundred seventy-one thousand, seven hundred thirty-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 21030149168091 cubic inches would be around 2300.2 feet tall.

Recreational maths with 21030149168091

• 21030149168091 backwards is 19086194103012
• The number of decimal digits it has is: 14
• The sum of 21030149168091's digits is 45
• More coming soon!