21274532864

Names of 21274532864

• Cardinal: 21274532864 can be written as Twenty-one billion, two hundred seventy-four million, five hundred thirty-two thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 2.1274532864 × 10¹⁰

Factors of 21274532864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 267

Divisors of 21274532864

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 4 8 13 16 19 26 32 38 52 64 76 104 128 152 208 233 247 256 304 361 416 466 494 512 608 722 832 932 988 1024 1216 1444 1664 1864 1976 2432 2888 3029 3328 3728 3952 4427 4693 4864 5776 6058 6656 6859 7456 7904 8854 9386 9728 11552 12116 13312 13718 14912 15808 17708 18772 19456 23104 24232 27436 29824 31616 35416 37544 46208 48464 54872 57551 59648 63232 70832 75088 84113 89167 92416 96928 109744 115102 119296 126464 141664 150176 168226 178334 184832 193856 219488 230204 238592 252928 283328 300352 336452 356668 369664 387712 438976 460408 566656 600704 672904 713336 775424 877952 920816 1093469 1133312 1201408 1345808 1426672 1550848 1598147 1755904 1841632 2186938 2266624 2402816 2691616 2853344 3101696 3196294 3511808 3683264 4373876 4533248 4805632 5383232 5706688 6392588 7023616 7366528 8747752 10766464 11413376 12785176 14733056 17495504 20775911 21532928 22826752 25570352 29466112 34991008 41551822 43065856 45653504 51140704 58932224 69982016 83103644 86131712 91307008 102281408 139964032 166207288 204562816 279928064 332414576 409125632 559856128 664829152 818251264 1119712256 1329658304 1636502528 2659316608 5318633216 10637266432 21274532864
• Sum of all divisors σ(n): 48551237280
• Sum of proper divisors (its aliquot sum) s(n): 27276704416
• 21274532864 is an abundant number, because the sum of its proper divisors (27276704416) is greater than itself. Its abundance is 6002171552

Bases of 21274532864

• Binary: 10011110100000011111001110000000000₂
• Hexadecimal: 0x4F40F9C00
• Base-36: 9RUB2M8

Squares and roots of 21274532864

• 21274532864 squared (21274532864²) is 452605748581416042496
• 21274532864 cubed (21274532864³) is 9628975872630656975737972588544
• The square root of 21274532864 is 145857.9201277737
• The cube root of 21274532864 is 2770.8946296825

Scales and comparisons

• 21,274,532,864 seconds is equal to 676 years, 24 weeks, 1 day, 27 minutes, 44 seconds.
• To count from 1 to 21,274,532,864 would take you about one thousand, three hundred fifty-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 21274532864 cubic inches would be around 230.9 feet tall.

Recreational maths with 21274532864

• 21274532864 backwards is 46823547212
• The number of decimal digits it has is: 11
• The sum of 21274532864's digits is 44
• More coming soon!