7990447720644

Names of 7990447720644

• Cardinal: 7990447720644 can be written as Seven trillion, nine hundred ninety billion, four hundred forty-seven million, seven hundred twenty thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 7.990447720644 × 10¹²

Factors of 7990447720644

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 17454

Divisors of 7990447720644

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 729 972 1458 2187 2916 4374 6561 8748 13122 17449 26244 34898 52347 69796 104694 157041 209388 314082 471123 628164 942246 1413369 1884492 2826738 4240107 5653476 8480214 12720321 16960428 25440642 38160963 50881284 76321926 114482889 152643852 228965778 304467601 457931556 608935202 913402803 1217870404 1826805606 2740208409 3653611212 5480416818 8220625227 10960833636 16441250454 24661875681 32882500908 49323751362 73985627043 98647502724 147971254086 221956881129 295942508172 443913762258 665870643387 887827524516 1331741286774 1997611930161 2663482573548 3995223860322 7990447720644
• Sum of all divisors σ(n): 20975061708237
• Sum of proper divisors (its aliquot sum) s(n): 12984613987593
• 7990447720644 is an abundant number, because the sum of its proper divisors (12984613987593) is greater than itself. Its abundance is 4994166266949

Bases of 7990447720644

• Binary: 1110100010001101011110011000100100011000100₂
• Hexadecimal: 0x7446BCC48C4
• Base-36: 2TYRE9K90

Squares and roots of 7990447720644

• 7990447720644 squared (7990447720644²) is 63847254776344895063774736
• 7990447720644 cubed (7990447720644³) is 510168151397021808771944206285872849984
• 7990447720644 is a perfect square number. Its square root is 2826738
• The cube root of 7990447720644 is 19992.0365968349

Scales and comparisons

• 7,990,447,720,644 seconds is equal to 254,071 years, 27 weeks, 19 hours, 17 minutes, 24 seconds.
• To count from 1 to 7,990,447,720,644 would take you about six hundred thirty-five thousand, one hundred seventy-eight 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 7990447720644 cubic inches would be around 1666 feet tall.

Recreational maths with 7990447720644

• 7990447720644 backwards is 4460277440997
• The number of decimal digits it has is: 13
• The sum of 7990447720644's digits is 63
• More coming soon!