72326409428

Names of 72326409428

• Cardinal: 72326409428 can be written as Seventy-two billion, three hundred twenty-six million, four hundred nine thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 7.2326409428 × 10¹⁰

Factors of 72326409428

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 17584

Divisors of 72326409428

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 13 14 26 28 49 52 91 98 182 196 364 637 1274 1801 2548 3602 7204 12607 15761 23413 25214 31522 46826 50428 63044 88249 93652 110327 163891 176498 204893 220654 327782 352996 409786 441308 655564 772289 819572 1147237 1434251 1544578 2294474 2868502 3089156 4588948 5737004 10039757 20079514 28385561 40159028 56771122 113542244 198698927 369012293 397397854 738024586 794795708 1390892489 1476049172 2583086051 2781784978 5166172102 5563569956 10332344204 18081602357 36163204714 72326409428
• Sum of all divisors σ(n): 158659850664
• Sum of proper divisors (its aliquot sum) s(n): 86333441236
• 72326409428 is an abundant number, because the sum of its proper divisors (86333441236) is greater than itself. Its abundance is 14007031808

Bases of 72326409428

• Binary: 1000011010110111111010110110011010100₂
• Hexadecimal: 0x10D6FD6CD4
• Base-36: X859YOK

Squares and roots of 72326409428

• 72326409428 squared (72326409428²) is 5231109500746687287184
• 72326409428 cubed (72326409428³) is 378347367513705576447552601170752
• The square root of 72326409428 is 268935.6975709993
• The cube root of 72326409428 is 4166.4448269845

Scales and comparisons

• 72,326,409,428 seconds is equal to 2,299 years, 39 weeks, 2 days, 5 hours, 17 minutes, 8 seconds.
• To count from 1 to 72,326,409,428 would take you about four thousand, five hundred ninety-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 72326409428 cubic inches would be around 347.2 feet tall.

Recreational maths with 72326409428

• 72326409428 backwards is 82490462327
• The number of decimal digits it has is: 11
• The sum of 72326409428's digits is 47
• More coming soon!