981941220

Names of 981941220

• Cardinal: 981941220 can be written as Nine hundred eighty-one million, nine hundred forty-one thousand, two hundred twenty.

Scientific notation

• Scientific notation: 9.8194122 × 10⁸

Factors of 981941220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2057

Divisors of 981941220

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 233 234 260 390 466 468 585 699 780 932 1165 1170 1398 1801 2097 2330 2340 2796 3029 3495 3602 4194 4660 5403 6058 6990 7204 8388 9005 9087 10485 10806 12116 13980 15145 16209 18010 18174 20970 21612 23413 27015 27261 30290 32418 36020 36348 41940 45435 46826 54030 54522 60580 64836 70239 81045 90870 93652 108060 109044 117065 136305 140478 162090 181740 210717 234130 272610 280956 324180 351195 419633 421434 468260 545220 702390 839266 842868 1053585 1258899 1404780 1678532 2098165 2107170 2517798 3776697 4196330 4214340 5035596 5455229 6294495 7553394 8392660 10910458 12588990 15106788 16365687 18883485 21820916 25177980 27276145 32731374 37766970 49097061 54552290 65462748 75533940 81828435 98194122 109104580 163656870 196388244 245485305 327313740 490970610 981941220
• Sum of all divisors σ(n): 3223230192
• Sum of proper divisors (its aliquot sum) s(n): 2241288972
• 981941220 is an abundant number, because the sum of its proper divisors (2241288972) is greater than itself. Its abundance is 1259347752

Bases of 981941220

• Binary: 111010100001110011101111100100₂
• Hexadecimal: 0x3A873BE4
• Base-36: G8MEP0

Squares and roots of 981941220

• 981941220 squared (981941220²) is 964208559535088400
• 981941220 cubed (981941220³) is 946796129284327336303848000
• The square root of 981941220 is 31335.9413453625
• The cube root of 981941220 is 993.9438031889

Scales and comparisons

• 981,941,220 seconds is equal to 31 years, 11 weeks, 4 days, 1 hour, 27 minutes.
• To count from 1 to 981,941,220 would take you about forty-six 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 981941220 cubic inches would be around 82.8 feet tall.

Recreational maths with 981941220

• 981941220 backwards is 022149189
• 981941220 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 981941220's digits is 36
• More coming soon!