7981379406

Names of 7981379406

• Cardinal: 7981379406 can be written as Seven billion, nine hundred eighty-one million, three hundred seventy-nine thousand, four hundred six.

Scientific notation

• Scientific notation: 7.981379406 × 10⁹

Factors of 7981379406

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 63317

Divisors of 7981379406

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 9 11 13 14 18 21 22 26 33 39 42 49 63 66 77 78 91 98 99 117 126 143 147 154 182 198 231 234 273 286 294 429 441 462 539 546 637 693 819 858 882 1001 1078 1274 1287 1386 1617 1638 1911 2002 2574 3003 3234 3822 4851 5733 6006 7007 9009 9702 11466 14014 18018 21021 42042 63063 63281 126126 126562 189843 379686 442967 569529 696091 822653 885934 1139058 1328901 1392182 1645306 2088273 2467959 2657802 3100769 3986703 4176546 4872637 4935918 5758571 6201538 6264819 7403877 7973406 9049183 9302307 9745274 11517142 12529638 14617911 14807754 17275713 18098366 18604614 27147549 27906921 29235822 34108459 34551426 40309997 43853733 51827139 54295098 55813842 63344281 68216918 80619994 81442647 87707466 102325377 103654278 120929991 126688562 162885294 190032843 204650754 241859982 306976131 362789973 380065686 443409967 570098529 613952262 725579946 886819934 1140197058 1330229901 2660459802 3990689703 7981379406
• Sum of all divisors σ(n): 23633548848
• Sum of proper divisors (its aliquot sum) s(n): 15652169442
• 7981379406 is an abundant number, because the sum of its proper divisors (15652169442) is greater than itself. Its abundance is 7670790036

Bases of 7981379406

• Binary: 111011011101110100010111101001110₂
• Hexadecimal: 0x1DBBA2F4E
• Base-36: 3NZWNRI

Squares and roots of 7981379406

• 7981379406 squared (7981379406²) is 63702417222520912836
• 7981379406 cubed (7981379406³) is 508433160932248133113571455416
• The square root of 7981379406 is 89338.5661738535
• The cube root of 7981379406 is 1998.4470783627

Scales and comparisons

• 7,981,379,406 seconds is equal to 253 years, 40 weeks, 5 days, 1 hour, 50 minutes, 6 seconds.
• To count from 1 to 7,981,379,406 would take you about five hundred 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 7981379406 cubic inches would be around 166.5 feet tall.

Recreational maths with 7981379406

• 7981379406 backwards is 6049731897
• The number of decimal digits it has is: 10
• The sum of 7981379406's digits is 54
• More coming soon!