12472851561920

Names of 12472851561920

• Cardinal: 12472851561920 can be written as Twelve trillion, four hundred seventy-two billion, eight hundred fifty-one million, five hundred sixty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.247285156192 × 10¹³

Factors of 12472851561920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 45319

Divisors of 12472851561920

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 152 160 190 304 320 380 608 760 1216 1520 3040 6080 45293 90586 181172 226465 362344 452930 724688 860567 905860 1449376 1721134 1811720 2898752 3442268 3623440 4302835 6884536 7246880 8605670 13769072 14493760 17211340 27538144 34422680 55076288 68845360 137690720 275381440 2051455849 4102911698 8205823396 10257279245 16411646792 20514558490 32823293584 38977661131 41029116980 65646587168 77955322262 82058233960 131293174336 155910644524 164116467920 194888305655 311821289048 328232935840 389776611310 623642578096 656465871680 779553222620 1247285156192 1559106445240 2494570312384 3118212890480 6236425780960 12472851561920
• Sum of all divisors σ(n): 31264877419320
• Sum of proper divisors (its aliquot sum) s(n): 18792025857400
• 12472851561920 is an abundant number, because the sum of its proper divisors (18792025857400) is greater than itself. Its abundance is 6319174295480

Bases of 12472851561920

• Binary: 10110101100000001111111000101111110111000000₂
• Hexadecimal: 0xB580FE2FDC0
• Base-36: 4F5Y5S3I8

Squares and roots of 12472851561920

• 12472851561920 squared (12472851561920²) is 155572026085690183594086400
• 12472851561920 cubed (12472851561920³) is 1940426788553959790202712113515429888000
• The square root of 12472851561920 is 3531692.4500754593
• The cube root of 12472851561920 is 23191.1304047793

Scales and comparisons

• 12,472,851,561,920 seconds is equal to 396,598 years, 5 weeks, 21 hours, 25 minutes, 20 seconds.
• To count from 1 to 12,472,851,561,920 would take you about nine hundred ninety-one thousand, four hundred ninety-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 12472851561920 cubic inches would be around 1932.6 feet tall.

Recreational maths with 12472851561920

• 12472851561920 backwards is 02916515827421
• The number of decimal digits it has is: 14
• The sum of 12472851561920's digits is 53
• More coming soon!