918042972

Names of 918042972

• Cardinal: 918042972 can be written as Nine hundred eighteen million, forty-two thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 9.18042972 × 10⁸

Factors of 918042972

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2267

Divisors of 918042972

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 11 12 14 21 22 28 33 41 42 44 66 77 82 84 121 123 132 154 164 231 242 246 287 308 363 451 462 484 492 574 726 847 861 902 924 1148 1353 1452 1694 1722 1804 2203 2541 2706 3157 3388 3444 4406 4961 5082 5412 6314 6609 8812 9471 9922 10164 12628 13218 14883 15421 18942 19844 24233 26436 29766 30842 34727 37884 46263 48466 59532 61684 69454 72699 90323 92526 96932 104181 138908 145398 169631 180646 185052 208362 266563 270969 290796 339262 361292 416724 508893 533126 541938 632261 678524 799689 993553 1017786 1066252 1083876 1264522 1599378 1865941 1896783 1987106 2035572 2529044 2980659 3198756 3731882 3793566 3974212 5597823 5961318 6954871 7463764 7587132 10929083 11195646 11922636 13909742 20864613 21858166 22391292 27819484 32787249 41729226 43716332 65574498 76503581 83458452 131148996 153007162 229510743 306014324 459021486 918042972
• Sum of all divisors σ(n): 2757785856
• Sum of proper divisors (its aliquot sum) s(n): 1839742884
• 918042972 is an abundant number, because the sum of its proper divisors (1839742884) is greater than itself. Its abundance is 921699912

Bases of 918042972

• Binary: 110110101110000011100101011100₂
• Hexadecimal: 0x36B8395C
• Base-36: F6KUHO

Squares and roots of 918042972

• 918042972 squared (918042972²) is 842802898438592784
• 918042972 cubed (918042972³) is 773729277692779878921114048
• The square root of 918042972 is 30299.2239504579
• The cube root of 918042972 is 971.8987049177

Scales and comparisons

• 918,042,972 seconds is equal to 29 years, 9 weeks, 6 days, 11 hours, 56 minutes, 12 seconds.
• To count from 1 to 918,042,972 would take you about forty-three 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 918042972 cubic inches would be around 81 feet tall.

Recreational maths with 918042972

• 918042972 backwards is 279240819
• 918042972 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 918042972's digits is 42
• More coming soon!