2190071988

Names of 2190071988

• Cardinal: 2190071988 can be written as Two billion, one hundred ninety million, seventy-one thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 2.190071988 × 10⁹

Factors of 2190071988

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2009

Divisors of 2190071988

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 12 13 17 18 26 34 36 39 51 52 68 78 102 117 151 153 156 204 221 234 302 306 442 453 468 604 612 663 884 906 1326 1359 1812 1823 1963 1989 2567 2652 2718 3646 3926 3978 5134 5436 5469 5889 7292 7701 7852 7956 10268 10938 11778 15402 16407 17667 21876 23103 23556 23699 30804 30991 32814 33371 35334 46206 47398 61982 65628 66742 70668 71097 92412 92973 94796 100113 123964 133484 142194 185946 200226 213291 275273 278919 284388 300339 371892 400452 402883 426582 550546 557838 600678 805766 825819 853164 1101092 1115676 1201356 1208649 1611532 1651638 2417298 2477457 3303276 3578549 3625947 4679641 4834596 4954914 7157098 7251894 9359282 9909828 10735647 14038923 14314196 14503788 18718564 21471294 28077846 32206941 42116769 42942588 56155692 60835333 64413882 84233538 121670666 128827764 168467076 182505999 243341332 365011998 547517997 730023996 1095035994 2190071988
• Sum of all divisors σ(n): 6357851136
• Sum of proper divisors (its aliquot sum) s(n): 4167779148
• 2190071988 is an abundant number, because the sum of its proper divisors (4167779148) is greater than itself. Its abundance is 1977707160

Bases of 2190071988

• Binary: 10000010100010011101100010110100₂
• Hexadecimal: 0x8289D8B4
• Base-36: 107WUD0

Squares and roots of 2190071988

• 2190071988 squared (2190071988²) is 4796415312622272144
• 2190071988 cubed (2190071988³) is 10504494818988301047487102272
• The square root of 2190071988 is 46798.2049655753
• The cube root of 2190071988 is 1298.6320893411

Scales and comparisons

• 2,190,071,988 seconds is equal to 69 years, 33 weeks, 1 day, 1 hour, 19 minutes, 48 seconds.
• To count from 1 to 2,190,071,988 would take you about one hundred thirty-nine 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 2190071988 cubic inches would be around 108.2 feet tall.

Recreational maths with 2190071988

• 2190071988 backwards is 8891700912
• The number of decimal digits it has is: 10
• The sum of 2190071988's digits is 45
• More coming soon!