72490754820

Names of 72490754820

• Cardinal: 72490754820 can be written as Seventy-two billion, four hundred ninety million, seven hundred fifty-four thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 7.249075482 × 10¹⁰

Factors of 72490754820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1431

Divisors of 72490754820

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 317 330 634 660 951 1093 1268 1585 1902 2186 3170 3279 3487 3804 4372 4755 5465 6340 6558 6974 9510 10461 10930 12023 13116 13948 16395 17435 19020 20922 21860 24046 32790 34870 36069 41844 48092 52305 60115 65580 69740 72138 100489 104610 120230 144276 180345 200978 209220 240460 301467 346481 360690 401956 502445 602934 692962 721380 1004890 1039443 1105379 1205868 1385924 1507335 1732405 2009780 2078886 2210758 3014670 3316137 3464810 3811291 4157772 4421516 5197215 5526895 6029340 6632274 6929620 7622582 10394430 11053790 11433873 13264548 15245164 16580685 19056455 20788860 22107580 22867746 33161370 38112910 45735492 57169365 66322740 76225820 109834477 114338730 219668954 228677460 329503431 439337908 549172385 659006862 1098344770 1208179247 1318013724 1647517155 2196689540 2416358494 3295034310 3624537741 4832716988 6040896235 6590068620 7249075482 12081792470 14498150964 18122688705 24163584940 36245377410 72490754820
• Sum of all divisors σ(n): 222330241728
• Sum of proper divisors (its aliquot sum) s(n): 149839486908
• 72490754820 is an abundant number, because the sum of its proper divisors (149839486908) is greater than itself. Its abundance is 77348732088

Bases of 72490754820

• Binary: 1000011100000110010010010001100000100₂
• Hexadecimal: 0x10E0C92304
• Base-36: XAV4GEC

Squares and roots of 72490754820

• 72490754820 squared (72490754820²) is 5254909534373353232400
• 72490754820 cubed (72490754820³) is 380932358657539111511162880168000
• The square root of 72490754820 is 269241.0719411137
• The cube root of 72490754820 is 4169.5982072947

Scales and comparisons

• 72,490,754,820 seconds is equal to 2,304 years, 51 weeks, 8 hours, 47 minutes.
• To count from 1 to 72,490,754,820 would take you about four thousand, six hundred nine 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 72490754820 cubic inches would be around 347.5 feet tall.

Recreational maths with 72490754820

• 72490754820 backwards is 02845709427
• The number of decimal digits it has is: 11
• The sum of 72490754820's digits is 48
• More coming soon!