72102868920

Names of 72102868920

• Cardinal: 72102868920 can be written as Seventy-two billion, one hundred two million, eight hundred sixty-eight thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 7.210286892 × 10¹⁰

Factors of 72102868920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 39478

Divisors of 72102868920

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 5981 11962 17943 23924 29905 33487 35886 47848 53829 59810 66974 71772 89715 100461 107658 119620 133948 143544 167435 179430 200922 215316 239240 267896 269145 301383 334870 358860 401844 430632 502305 538290 602766 669740 717720 803688 1004610 1076580 1205532 1339480 1506915 2009220 2153160 2411064 3013830 4018440 6027660 12055320 200285747 400571494 600857241 801142988 1001428735 1201714482 1602285976 1802571723 2002857470 2403428964 3004286205 3605143446 4005714940 4806857928 6008572410 7210286892 8011429880 9012858615 12017144820 14420573784 18025717230 24034289640 36051434460 72102868920
• Sum of all divisors σ(n): 234380502720
• Sum of proper divisors (its aliquot sum) s(n): 162277633800
• 72102868920 is an abundant number, because the sum of its proper divisors (162277633800) is greater than itself. Its abundance is 90174764880

Bases of 72102868920

• Binary: 1000011001001101010100111011110111000₂
• Hexadecimal: 0x10C9AA77B8
• Base-36: X4G6PQ0

Squares and roots of 72102868920

• 72102868920 squared (72102868920²) is 5198823706494701966400
• 72102868920 cubed (72102868920³) is 374850104247576048557805444288000
• The square root of 72102868920 is 268519.7737970149
• The cube root of 72102868920 is 4162.1479623279

Scales and comparisons

• 72,102,868,920 seconds is equal to 2,292 years, 33 weeks, 4 days, 22 hours, 42 minutes.
• To count from 1 to 72,102,868,920 would take you about four thousand, five hundred eighty-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 72102868920 cubic inches would be around 346.8 feet tall.

Recreational maths with 72102868920

• 72102868920 backwards is 02986820127
• 72102868920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72102868920's digits is 45
• More coming soon!