1081290220

Names of 1081290220

• Cardinal: 1081290220 can be written as One billion, eighty-one million, two hundred ninety thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.08129022 × 10⁹

Factors of 1081290220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 417

Divisors of 1081290220

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 20 37 67 74 113 134 148 185 193 226 268 335 370 386 452 565 670 740 772 965 1130 1340 1930 2260 2479 3860 4181 4958 7141 7571 8362 9916 12395 12931 14282 15142 16724 20905 21809 24790 25862 28564 30284 35705 37855 41810 43618 49580 51724 64655 71410 75710 83620 87236 109045 129310 142820 151420 218090 258620 280127 436180 478447 560254 806933 956894 1120508 1400635 1461203 1613866 1913788 2392235 2801270 2922406 3227732 4034665 4784470 5602540 5844812 7306015 8069330 9568940 14612030 16138660 29224060 54064511 108129022 216258044 270322555 540645110 1081290220
• Sum of all divisors σ(n): 2400205248
• Sum of proper divisors (its aliquot sum) s(n): 1318915028
• 1081290220 is an abundant number, because the sum of its proper divisors (1318915028) is greater than itself. Its abundance is 237624808

Bases of 1081290220

• Binary: 1000000011100110010110111101100₂
• Hexadecimal: 0x40732DEC
• Base-36: HVRSVG

Squares and roots of 1081290220

• 1081290220 squared (1081290220²) is 1169188539867648400
• 1081290220 cubed (1081290220³) is 1264232133494968309318648000
• The square root of 1081290220 is 32882.9776632227
• The cube root of 1081290220 is 1026.3939693369

Scales and comparisons

• 1,081,290,220 seconds is equal to 34 years, 19 weeks, 5 days, 22 hours, 23 minutes, 40 seconds.
• To count from 1 to 1,081,290,220 would take you about sixty-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 1081290220 cubic inches would be around 85.5 feet tall.

Recreational maths with 1081290220

• 1081290220 backwards is 0220921801
• The number of decimal digits it has is: 10
• The sum of 1081290220's digits is 25
• More coming soon!