72974158020

Names of 72974158020

• Cardinal: 72974158020 can be written as Seventy-two billion, nine hundred seventy-four million, one hundred fifty-eight thousand and twenty.

Scientific notation

• Scientific notation: 7.297415802 × 10¹⁰

Factors of 72974158020

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8625844

Divisors of 72974158020

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 47 60 90 94 141 180 188 235 282 423 470 564 705 846 940 1410 1692 2115 2820 4230 8460 8625787 17251574 25877361 34503148 43128935 51754722 77632083 86257870 103509444 129386805 155264166 172515740 258773610 310528332 388160415 405411989 517547220 776320830 810823978 1216235967 1552641660 1621647956 2027059945 2432471934 3648707901 4054119890 4864943868 6081179835 7297415802 8108239780 12162359670 14594831604 18243539505 24324719340 36487079010 72974158020
• Sum of all divisors σ(n): 226064651904
• Sum of proper divisors (its aliquot sum) s(n): 153090493884
• 72974158020 is an abundant number, because the sum of its proper divisors (153090493884) is greater than itself. Its abundance is 80116335864

Bases of 72974158020

• Binary: 1000011111101100110010100100011000100₂
• Hexadecimal: 0x10FD9948C4
• Base-36: XIUXGP0

Squares and roots of 72974158020

• 72974158020 squared (72974158020²) is 5325227738727930320400
• 72974158020 cubed (72974158020³) is 388604010498419260988418829608000
• The square root of 72974158020 is 270137.2947595351
• The cube root of 72974158020 is 4178.8459765333

Scales and comparisons

• 72,974,158,020 seconds is equal to 2,320 years, 18 weeks, 2 days, 7 hours, 27 minutes.
• To count from 1 to 72,974,158,020 would take you about four thousand, six hundred forty 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 72974158020 cubic inches would be around 348.2 feet tall.

Recreational maths with 72974158020

• 72974158020 backwards is 02085147927
• 72974158020 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72974158020's digits is 45
• More coming soon!