72138972250

Names of 72138972250

• Cardinal: 72138972250 can be written as Seventy-two billion, one hundred thirty-eight million, nine hundred seventy-two thousand, two hundred fifty.

Scientific notation

• Scientific notation: 7.213897225 × 10¹⁰

Factors of 72138972250

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 927

Divisors of 72138972250

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 10 25 47 50 89 94 101 125 178 202 235 250 445 470 505 683 890 1010 1175 1366 2225 2350 2525 3415 4183 4450 4747 5050 5875 6830 8366 8989 9494 11125 11750 12625 17075 17978 20915 22250 23735 25250 32101 34150 41830 44945 47470 60787 64202 68983 85375 89890 104575 118675 121574 137966 160505 170750 209150 224725 237350 303935 321010 344915 422483 449450 522875 593375 607870 689830 802525 844966 1045750 1123625 1186750 1519675 1605050 1724575 2112415 2247250 2856989 3039350 3242201 3449150 4012625 4224830 5713978 6139487 6484402 7598375 8025250 8622875 10562075 12278974 14284945 15196750 16211005 17245750 21124150 28569890 30697435 32422010 52810375 61394870 71424725 81055025 105620750 142849450 153487175 162110050 288555889 306974350 357123625 405275125 577111778 714247250 767435875 810550250 1442779445 1534871750 2885558890 7213897225 14427794450 36069486125 72138972250
• Sum of all divisors σ(n): 141054151680
• Sum of proper divisors (its aliquot sum) s(n): 68915179430
• 72138972250 is a deficient number, because the sum of its proper divisors (68915179430) is less than itself. Its deficiency is 3223792820

Bases of 72138972250

• Binary: 1000011001011110100010101110001011010₂
• Hexadecimal: 0x10CBD15C5A
• Base-36: X51OJ8A

Squares and roots of 72138972250

• 72138972250 squared (72138972250²) is 5204031317286270062500
• 72138972250 cubed (72138972250³) is 375413470785845181344693265625000
• The square root of 72138972250 is 268586.9919597745
• The cube root of 72138972250 is 4162.8425362979

Scales and comparisons

• 72,138,972,250 seconds is equal to 2,293 years, 41 weeks, 2 days, 19 hours, 24 minutes, 10 seconds.
• To count from 1 to 72,138,972,250 would take you about four thousand, five hundred eighty-seven 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 72138972250 cubic inches would be around 346.9 feet tall.

Recreational maths with 72138972250

• 72138972250 backwards is 05227983127
• The number of decimal digits it has is: 11
• The sum of 72138972250's digits is 46
• More coming soon!