18951968

Names of 18951968

• Cardinal: 18951968 can be written as Eighteen million, nine hundred fifty-one thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8951968 × 10⁷

Factors of 18951968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 162

Divisors of 18951968

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 32 38 56 61 73 76 112 122 133 146 152 224 244 266 292 304 427 488 511 532 584 608 854 976 1022 1064 1159 1168 1387 1708 1952 2044 2128 2318 2336 2774 3416 4088 4256 4453 4636 5548 6832 8113 8176 8906 9272 9709 11096 13664 16226 16352 17812 18544 19418 22192 31171 32452 35624 37088 38836 44384 62342 64904 71248 77672 84607 124684 129808 142496 155344 169214 249368 259616 310688 338428 498736 592249 676856 997472 1184498 1353712 2368996 2707424 4737992 9475984 18951968
• Sum of all divisors σ(n): 46247040
• Sum of proper divisors (its aliquot sum) s(n): 27295072
• 18951968 is an abundant number, because the sum of its proper divisors (27295072) is greater than itself. Its abundance is 8343104

Bases of 18951968

• Binary: 1001000010010111100100000₂
• Hexadecimal: 0x1212F20
• Base-36: BA7FK

Squares and roots of 18951968

• 18951968 squared (18951968²) is 359177091073024
• 18951968 cubed (18951968³) is 6807112736349036511232
• The square root of 18951968 is 4353.3858087701
• The cube root of 18951968 is 266.6151178137

Scales and comparisons

• 18,951,968 seconds is equal to 31 weeks, 2 days, 8 hours, 26 minutes, 8 seconds.
• To count from 1 to 18,951,968 would take you about forty-seven weeks!

  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 18951968 cubic inches would be around 22.2 feet tall.

Recreational maths with 18951968

• 18951968 backwards is 86915981
• The number of decimal digits it has is: 8
• The sum of 18951968's digits is 47
• More coming soon!