21207692916

Names of 21207692916

• Cardinal: 21207692916 can be written as Twenty-one billion, two hundred seven million, six hundred ninety-two thousand, nine hundred sixteen.

Scientific notation

• Scientific notation: 2.1207692916 × 10¹⁰

Factors of 21207692916

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4955

Divisors of 21207692916

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 19 27 34 36 38 51 54 57 68 76 102 108 114 127 153 171 204 228 254 306 323 342 381 459 508 513 612 646 684 762 918 969 1026 1143 1292 1524 1836 1938 2052 2159 2286 2413 2907 3429 3876 4318 4572 4787 4826 5814 6477 6858 7239 8636 8721 9574 9652 11628 12954 13716 14361 14478 17442 19148 19431 21717 25908 28722 28956 34884 38862 41021 43083 43434 57444 58293 65151 77724 81379 82042 86166 86868 90953 116586 123063 129249 130302 162758 164084 172332 181906 233172 244137 246126 258498 260604 272859 325516 363812 369189 488274 492252 516996 545718 607949 732411 738378 818577 976548 1091436 1107567 1215898 1464822 1476756 1546201 1637154 1823847 2197233 2215134 2431796 2455731 2929644 3092402 3274308 3647694 4394466 4430268 4638603 4911462 5471541 6184804 7295388 8788932 9277206 9822924 10335133 10943082 11551031 13915809 16414623 18554412 20670266 21886164 23102062 27831618 31005399 32829246 34653093 41340532 41747427 46204124 55663236 62010798 65658492 69306186 83494854 93016197 103959279 124021596 138612372 166989708 186032394 196367527 207918558 279048591 311877837 372064788 392735054 415837116 558097182 589102581 623755674 785470108 1116194364 1178205162 1247511348 1767307743 2356410324 3534615486 5301923229 7069230972 10603846458 21207692916
• Sum of all divisors σ(n): 61776691200
• Sum of proper divisors (its aliquot sum) s(n): 40568998284
• 21207692916 is an abundant number, because the sum of its proper divisors (40568998284) is greater than itself. Its abundance is 19361305368

Bases of 21207692916

• Binary: 10011110000000100111011011001110100₂
• Hexadecimal: 0x4F013B674
• Base-36: 9QQIGL0

Squares and roots of 21207692916

• 21207692916 squared (21207692916²) is 449766238819356583056
• 21207692916 cubed (21207692916³) is 9538504276865232810154696831296
• The square root of 21207692916 is 145628.6129714901
• The cube root of 21207692916 is 2767.9897362615

Scales and comparisons

• 21,207,692,916 seconds is equal to 674 years, 17 weeks, 4 days, 9 hours, 48 minutes, 36 seconds.
• To count from 1 to 21,207,692,916 would take you about one thousand, three hundred forty-eight 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 21207692916 cubic inches would be around 230.7 feet tall.

Recreational maths with 21207692916

• 21207692916 backwards is 61929670212
• The number of decimal digits it has is: 11
• The sum of 21207692916's digits is 45
• More coming soon!