18557649072

Names of 18557649072

• Cardinal: 18557649072 can be written as Eighteen billion, five hundred fifty-seven million, six hundred forty-nine thousand and seventy-two.

Scientific notation

• Scientific notation: 1.8557649072 × 10¹⁰

Factors of 18557649072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2526935

Divisors of 18557649072

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 34 36 48 51 54 68 72 102 108 136 144 153 204 216 272 306 408 432 459 612 816 918 1224 1836 2448 3672 7344 2526913 5053826 7580739 10107652 15161478 20215304 22742217 30322956 40430608 42957521 45484434 60645912 68226651 85915042 90968868 121291824 128872563 136453302 171830084 181937736 257745126 272906604 343660168 363875472 386617689 515490252 545813208 687320336 773235378 1030980504 1091626416 1159853067 1546470756 2061961008 2319706134 3092941512 4639412268 6185883024 9278824536 18557649072
• Sum of all divisors σ(n): 56400720480
• Sum of proper divisors (its aliquot sum) s(n): 37843071408
• 18557649072 is an abundant number, because the sum of its proper divisors (37843071408) is greater than itself. Its abundance is 19285422336

Bases of 18557649072

• Binary: 10001010010000111110100000010110000₂
• Hexadecimal: 0x4521F40B0
• Base-36: 8IWQTO0

Squares and roots of 18557649072

• 18557649072 squared (18557649072²) is 344386339079502461184
• 18557649072 cubed (18557649072³) is 6391000825828206183012973621248
• The square root of 18557649072 is 136226.4624513167
• The cube root of 18557649072 is 2647.5305853987

Scales and comparisons

• 18,557,649,072 seconds is equal to 590 years, 3 weeks, 6 days, 14 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,557,649,072 would take you about one thousand, one hundred eighty 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 18557649072 cubic inches would be around 220.6 feet tall.

Recreational maths with 18557649072

• 18557649072 backwards is 27094675581
• 18557649072 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18557649072's digits is 54
• More coming soon!