21445767823149

Names of 21445767823149

• Cardinal: 21445767823149 can be written as Twenty-one trillion, four hundred forty-five billion, seven hundred sixty-seven million, eight hundred twenty-three thousand, one hundred forty-nine.

Scientific notation

• Scientific notation: 2.1445767823149 × 10¹³

Factors of 21445767823149

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3441

Divisors of 21445767823149

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 9 19 23 29 57 69 73 87 171 207 219 261 437 551 657 667 1277 1311 1387 1653 1679 2001 2017 2117 3831 3933 4161 4959 5037 6003 6051 6351 11493 12483 12673 15111 18153 19053 24263 29371 31901 37033 38019 38323 40223 46391 48691 58493 72789 88113 93221 95703 111099 114057 114969 120669 139173 146073 147241 175479 218367 264339 279663 287109 333297 344907 362007 417519 438219 441723 526437 558049 703627 838989 851759 881429 925129 1111367 1325169 1345339 1674147 1771199 2110881 2144083 2555277 2575709 2644287 2703409 2775387 2797579 3334101 3386543 4036017 4269989 5022441 5313597 6332643 6432249 7665831 7727127 7932861 8110227 8326161 8392737 10002303 10159629 12108051 12809967 15940791 16183421 19296747 23181381 24330681 25178211 25561441 30478887 38429901 40737577 48550263 48938471 51364771 59241307 62178407 64344317 74695561 76684323 81129791 98209747 122212731 145650789 146815413 154094313 177723921 186535221 188026757 193032951 224086683 230052969 243389373 294629241 366638193 440446239 462282939 533171763 559605663 564080271 579098853 672260049 730168119 883887723 1125584833 1181389733 1419215659 1692240813 1717997903 1865985193 3376754499 3544169199 3572508383 4257646977 4324615411 5153993709 5452775953 5597955579 10130263497 10632507597 10717525149 12772940931 12973846233 15461981127 16358327859 16793866737 32152575447 32641960157 38921538699 49074983577 82167692809 97925880471 103602743107 125413846919 246503078427 293777641413 310808229321 376241540757 739509235281 932424687963 1128724622271 2382863091461 7148589274383 21445767823149
• Sum of all divisors σ(n): 35726426611200
• Sum of proper divisors (its aliquot sum) s(n): 14280658788051
• 21445767823149 is a deficient number, because the sum of its proper divisors (14280658788051) is less than itself. Its deficiency is 7165109035098

Bases of 21445767823149

• Binary: 100111000000100111011010111110111111100101101₂
• Hexadecimal: 0x13813B5F7F2D
• Base-36: 7LO1SG5D9

Squares and roots of 21445767823149

• 21445767823149 squared (21445767823149²) is 459920957524412998140276201
• 21445767823149 cubed (21445767823149³) is 9863358072068934235150831728461381576949
• The square root of 21445767823149 is 4630957.5492708849
• The cube root of 21445767823149 is 27783.0892024499

Scales and comparisons

• 21,445,767,823,149 seconds is equal to 681,909 years, 4 weeks, 1 day, 8 hours, 39 minutes, 9 seconds.
• To count from 1 to 21,445,767,823,149 would take you about one million, seven hundred four thousand, seven hundred seventy-two 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 21445767823149 cubic inches would be around 2315.3 feet tall.

Recreational maths with 21445767823149

• 21445767823149 backwards is 94132876754412
• The number of decimal digits it has is: 14
• The sum of 21445767823149's digits is 63
• More coming soon!