12745347372

Names of 12745347372

• Cardinal: 12745347372 can be written as Twelve billion, seven hundred forty-five million, three hundred forty-seven thousand, three hundred seventy-two.

Scientific notation

• Scientific notation: 1.2745347372 × 10¹⁰

Factors of 12745347372

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 129

Divisors of 12745347372

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 34 36 51 68 102 107 153 204 214 289 306 321 428 578 612 642 867 963 1156 1284 1734 1819 1926 2601 3468 3638 3852 5202 5457 7276 10404 10914 11449 16371 21828 22898 30923 32742 34347 45796 61846 65484 68694 92769 103041 123692 137388 185538 194633 206082 278307 371076 389266 412164 556614 583899 778532 1113228 1167798 1225043 1751697 2335596 2450086 3308761 3503394 3675129 4900172 6617522 7006788 7350258 9926283 11025387 13235044 14700516 19852566 20825731 22050774 29778849 39705132 41651462 44101548 59557698 62477193 83302924 119115396 124954386 187431579 249908772 354037427 374863158 708074854 749726316 1062112281 1416149708 2124224562 3186336843 4248449124 6372673686 12745347372
• Sum of all divisors σ(n): 34546894200
• Sum of proper divisors (its aliquot sum) s(n): 21801546828
• 12745347372 is an abundant number, because the sum of its proper divisors (21801546828) is greater than itself. Its abundance is 9056199456

Bases of 12745347372

• Binary: 1011110111101011101001000100101100₂
• Hexadecimal: 0x2F7AE912C
• Base-36: 5US90Z0

Squares and roots of 12745347372

• 12745347372 squared (12745347372²) is 162443879632947306384
• 12745347372 cubed (12745347372³) is 2070403674377269276035793222848
• The square root of 12745347372 is 112895.2938434547
• The cube root of 12745347372 is 2335.8801648017

Scales and comparisons

• 12,745,347,372 seconds is equal to 405 years, 13 weeks, 4 days, 14 hours, 16 minutes, 12 seconds.
• To count from 1 to 12,745,347,372 would take you about eight hundred ten 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 12745347372 cubic inches would be around 194.7 feet tall.

Recreational maths with 12745347372

• 12745347372 backwards is 27374354721
• The number of decimal digits it has is: 11
• The sum of 12745347372's digits is 45
• More coming soon!