2172139992

Names of 2172139992

• Cardinal: 2172139992 can be written as Two billion, one hundred seventy-two million, one hundred thirty-nine thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 2.172139992 × 10⁹

Factors of 2172139992

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 88518

Divisors of 2172139992

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 31 33 36 44 62 66 72 88 93 99 124 132 186 198 248 264 279 341 372 396 558 682 744 792 1023 1116 1364 2046 2232 2728 3069 4092 6138 8184 12276 24552 88471 176942 265413 353884 530826 707768 796239 973181 1061652 1592478 1946362 2123304 2742601 2919543 3184956 3892724 5485202 5839086 6369912 7785448 8227803 8758629 10970404 11678172 16455606 17517258 21940808 23356344 24683409 30168611 32911212 35034516 49366818 60337222 65822424 70069032 90505833 98733636 120674444 181011666 197467272 241348888 271517499 362023332 543034998 724046664 1086069996 2172139992
• Sum of all divisors σ(n): 6624783360
• Sum of proper divisors (its aliquot sum) s(n): 4452643368
• 2172139992 is an abundant number, because the sum of its proper divisors (4452643368) is greater than itself. Its abundance is 2280503376

Bases of 2172139992

• Binary: 10000001011110000011100111011000₂
• Hexadecimal: 0x817839D8
• Base-36: ZX8HY0

Squares and roots of 2172139992

• 2172139992 squared (2172139992²) is 4718192144845760064
• 2172139992 cubed (2172139992³) is 10248573847759732106650879488
• The square root of 2172139992 is 46606.2226746601
• The cube root of 2172139992 is 1295.0780336891

Scales and comparisons

• 2,172,139,992 seconds is equal to 69 years, 3 weeks, 3 days, 12 hours, 13 minutes, 12 seconds.
• To count from 1 to 2,172,139,992 would take you about one hundred thirty-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 2172139992 cubic inches would be around 107.9 feet tall.

Recreational maths with 2172139992

• 2172139992 backwards is 2999312712
• The number of decimal digits it has is: 10
• The sum of 2172139992's digits is 45
• More coming soon!