21349297408

Names of 21349297408

• Cardinal: 21349297408 can be written as Twenty-one billion, three hundred forty-nine million, two hundred ninety-seven thousand, four hundred eight.

Scientific notation

• Scientific notation: 2.1349297408 × 10¹⁰

Factors of 21349297408

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 272

Divisors of 21349297408

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 8 16 17 19 32 34 38 64 68 76 107 127 128 136 152 214 254 256 272 304 323 361 428 508 544 608 646 722 856 1016 1088 1216 1292 1444 1712 1819 2032 2033 2159 2176 2413 2432 2584 2888 3424 3638 4064 4066 4318 4352 4826 4864 5168 5776 6137 6848 7276 8128 8132 8636 9652 10336 11552 12274 13589 13696 14552 16256 16264 17272 19304 20672 23104 24548 27178 27392 29104 32512 32528 34544 34561 38608 38627 41021 41344 45847 46208 49096 54356 58208 65056 69088 69122 77216 77254 82042 82688 91694 92416 98192 108712 116416 130112 138176 138244 154432 154508 164084 183388 196384 217424 231013 232832 258191 260224 276352 276488 308864 309016 328168 366776 392768 434848 462026 465664 516382 520448 552704 552976 617728 618032 656336 656659 733552 779399 785536 869696 924052 1032764 1105952 1236064 1312672 1313318 1467104 1558798 1571072 1739392 1848104 2065528 2211904 2472128 2625344 2626636 2934208 3117596 3478784 3696208 4131056 4389247 4423808 4905629 4944256 5250688 5253272 5868416 6235192 7392416 8262112 8778494 8847616 9811258 9888512 10501376 10506544 11736832 12470384 14784832 16524224 17556988 19622516 21013088 24940768 29569664 33048448 35113976 39245032 42026176 49881536 59139328 66096896 70227952 78490064 83395693 84052352 99763072 140455904 156980128 166791386 168104704 199526144 280911808 313960256 333582772 561823616 627920512 667165544 1123647232 1255841024 1334331088 2668662176 5337324352 10674648704 21349297408
• Sum of all divisors σ(n): 48445350912
• Sum of proper divisors (its aliquot sum) s(n): 27096053504
• 21349297408 is an abundant number, because the sum of its proper divisors (27096053504) is greater than itself. Its abundance is 5746756096

Bases of 21349297408

• Binary: 10011111000100001000110110100000000₂
• Hexadecimal: 0x4F8846D00
• Base-36: 9T2TJB4

Squares and roots of 21349297408

• 21349297408 squared (21349297408²) is 455792499815235518464
• 21349297408 cubed (21349297408³) is 9730849634891248133253011341312
• The square root of 21349297408 is 146113.9877219153
• The cube root of 21349297408 is 2774.1367293587

Scales and comparisons

• 21,349,297,408 seconds is equal to 678 years, 43 weeks, 5 days, 8 hours, 23 minutes, 28 seconds.
• To count from 1 to 21,349,297,408 would take you about one thousand, three hundred fifty-seven 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 21349297408 cubic inches would be around 231.2 feet tall.

Recreational maths with 21349297408

• 21349297408 backwards is 80479294312
• The number of decimal digits it has is: 11
• The sum of 21349297408's digits is 49
• More coming soon!