30905372016

Names of 30905372016

• Cardinal: 30905372016 can be written as Thirty billion, nine hundred five million, three hundred seventy-two thousand and sixteen.

Scientific notation

• Scientific notation: 3.0905372016 × 10¹⁰

Factors of 30905372016

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 87131

Divisors of 30905372016

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 829 1658 2487 3316 4974 6632 7461 9948 13264 14922 19896 22383 29844 39792 44766 59688 86297 89532 119376 172594 179064 258891 345188 358128 517782 690376 776673 1035564 1380752 1553346 2071128 2330019 3106692 4142256 4660038 6213384 9320076 12426768 18640152 37280304 71540213 143080426 214620639 286160852 429241278 572321704 643861917 858482556 1144643408 1287723834 1716965112 1931585751 2575447668 3433930224 3863171502 5150895336 7726343004 10301790672 15452686008 30905372016
• Sum of all divisors σ(n): 88817901600
• Sum of proper divisors (its aliquot sum) s(n): 57912529584
• 30905372016 is an abundant number, because the sum of its proper divisors (57912529584) is greater than itself. Its abundance is 27007157568

Bases of 30905372016

• Binary: 11100110010000110101000110101110000₂
• Hexadecimal: 0x7321A8D70
• Base-36: E749DO0

Squares and roots of 30905372016

• 30905372016 squared (30905372016²) is 955142019447355904256
• 30905372016 cubed (30905372016³) is 29519019439134040948585757700096
• The square root of 30905372016 is 175799.2378140475
• The cube root of 30905372016 is 3138.1810233779

Scales and comparisons

• 30,905,372,016 seconds is equal to 982 years, 36 weeks, 1 day, 1 hour, 33 minutes, 36 seconds.
• To count from 1 to 30,905,372,016 would take you about one thousand, nine hundred sixty-five 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 30905372016 cubic inches would be around 261.5 feet tall.

Recreational maths with 30905372016

• 30905372016 backwards is 61027350903
• 30905372016 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30905372016's digits is 36
• More coming soon!