1681837890625

Names of 1681837890625

• Cardinal: 1681837890625 can be written as One trillion, six hundred eighty-one billion, eight hundred thirty-seven million, eight hundred ninety thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.681837890625 × 10¹²

Factors of 1681837890625

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 59

Divisors of 1681837890625

• Number of divisors d(n): 80
• Complete list of divisors:
  1 5 17 25 37 85 125 185 425 625 629 925 1369 2125 3125 3145 4625 6845 10625 15625 15725 23125 23273 34225 50653 53125 78125 78625 115625 116365 171125 253265 265625 390625 393125 578125 581825 855625 861101 1266325 1328125 1953125 1965625 2890625 2909125 4278125 4305505 6331625 6640625 9828125 14453125 14545625 21390625 21527525 31658125 33203125 49140625 72265625 72728125 106953125 107637625 158290625 245703125 363640625 534765625 538188125 791453125 1228515625 1818203125 2673828125 2690940625 3957265625 9091015625 13454703125 19786328125 45455078125 67273515625 98931640625 336367578125 1681837890625
• Sum of all divisors σ(n): 2287792734480
• Sum of proper divisors (its aliquot sum) s(n): 605954843855
• 1681837890625 is a deficient number, because the sum of its proper divisors (605954843855) is less than itself. Its deficiency is 1075883046770

Bases of 1681837890625

• Binary: 11000011110010101010110011001110001000001₂
• Hexadecimal: 0x18795599C41
• Base-36: LGMIUTS1

Squares and roots of 1681837890625

• 1681837890625 squared (1681837890625²) is 2828578690341949462890625
• 1681837890625 cubed (1681837890625³) is 4757210818031529344618320465087890625
• The square root of 1681837890625 is 1296856.9275849207
• The cube root of 1681837890625 is 11892.1773567941

Scales and comparisons

• 1,681,837,890,625 seconds is equal to 53,477 years, 12 weeks, 4 days, 7 hours, 50 minutes, 25 seconds.
• To count from 1 to 1,681,837,890,625 would take you about one hundred thirty-three thousand, six hundred ninety-three 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 1681837890625 cubic inches would be around 991 feet tall.

Recreational maths with 1681837890625

• 1681837890625 backwards is 5260987381861
• The number of decimal digits it has is: 13
• The sum of 1681837890625's digits is 64
• More coming soon!