21076606768

Names of 21076606768

• Cardinal: 21076606768 can be written as Twenty-one billion, seventy-six million, six hundred six thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1076606768 × 10¹⁰

Factors of 21076606768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1562

Divisors of 21076606768

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 14 16 28 49 56 98 112 131 163 196 262 326 392 524 652 784 917 1048 1141 1259 1304 1834 2096 2282 2518 2608 3668 4564 5036 6419 7336 7987 8813 9128 10072 12838 14672 15974 17626 18256 20144 21353 25676 31948 35252 42706 51352 61691 63896 70504 85412 102704 123382 127792 141008 149471 164929 170824 205217 246764 298942 329858 341648 410434 493528 597884 659716 820868 987056 1046297 1154503 1195768 1319432 1436519 1641736 2092594 2309006 2391536 2638864 2873038 3283472 4185188 4618012 5746076 8081521 8370376 9236024 10055633 11492152 16163042 16740752 18472048 20111266 22984304 26883427 32326084 40222532 53766854 64652168 80445064 107533708 129304336 160890128 188183989 215067416 376367978 430134832 752735956 1317287923 1505471912 2634575846 3010943824 5269151692 10538303384 21076606768
• Sum of all divisors σ(n): 48197540160
• Sum of proper divisors (its aliquot sum) s(n): 27120933392
• 21076606768 is an abundant number, because the sum of its proper divisors (27120933392) is greater than itself. Its abundance is 6044326624

Bases of 21076606768

• Binary: 10011101000010000110111111100110000₂
• Hexadecimal: 0x4E8437F30
• Base-36: 9OKGTV4

Squares and roots of 21076606768

• 21076606768 squared (21076606768²) is 444223352852903405824
• 21076606768 cubed (21076606768³) is 9362720925243156031640369016832
• The square root of 21076606768 is 145177.8453070577
• The cube root of 21076606768 is 2762.2749031059

Scales and comparisons

• 21,076,606,768 seconds is equal to 670 years, 8 weeks, 6 days, 4 hours, 59 minutes, 28 seconds.
• To count from 1 to 21,076,606,768 would take you about one thousand, three hundred forty 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 21076606768 cubic inches would be around 230.2 feet tall.

Recreational maths with 21076606768

• 21076606768 backwards is 86760667012
• 21076606768 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21076606768's digits is 49
• More coming soon!