12902805805920

Names of 12902805805920

• Cardinal: 12902805805920 can be written as Twelve trillion, nine hundred two billion, eight hundred five million, eight hundred five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.290280580592 × 10¹³

Factors of 12902805805920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 26880845439

Divisors of 12902805805920

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 26880845429 53761690858 80642536287 107523381716 134404227145 161285072574 215046763432 268808454290 322570145148 403212681435 430093526864 537616908580 645140290296 806425362870 860187053728 1075233817160 1290280580592 1612850725740 2150467634320 2580561161184 3225701451480 4300935268640 6451402902960 12902805805920
• Sum of all divisors σ(n): 40643838290160
• Sum of proper divisors (its aliquot sum) s(n): 27741032484240
• 12902805805920 is an abundant number, because the sum of its proper divisors (27741032484240) is greater than itself. Its abundance is 14838226678320

Bases of 12902805805920

• Binary: 10111011110000101011001010000001101101100000₂
• Hexadecimal: 0xBBC2B281B60
• Base-36: 4KNGTFPEO

Squares and roots of 12902805805920

• 12902805805920 squared (12902805805920²) is 166482397665282860707046400
• 12902805805920 cubed (12902805805920³) is 2148090047179093947949944926174834688000
• The square root of 12902805805920 is 3592047.5784599513
• The cube root of 12902805805920 is 23454.6012347143

Scales and comparisons

• 12,902,805,805,920 seconds is equal to 410,269 years, 16 weeks, 2 days, 3 hours, 52 minutes.
• To count from 1 to 12,902,805,805,920 would take you about one million, twenty-five thousand, six hundred seventy-three 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 12902805805920 cubic inches would be around 1954.6 feet tall.

Recreational maths with 12902805805920

• 12902805805920 backwards is 02950850820921
• The number of decimal digits it has is: 14
• The sum of 12902805805920's digits is 51
• More coming soon!