18235944272

Names of 18235944272

• Cardinal: 18235944272 can be written as Eighteen billion, two hundred thirty-five million, nine hundred forty-four thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.8235944272 × 10¹⁰

Factors of 18235944272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2752

Divisors of 18235944272

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 49 52 56 91 98 104 112 182 196 208 364 392 637 728 784 1093 1274 1456 1637 2186 2548 3274 4372 5096 6548 7651 8744 10192 11459 13096 14209 15302 17488 21281 22918 26192 28418 30604 42562 45836 53557 56836 61208 80213 85124 91672 99463 107114 113672 122416 148967 160426 170248 183344 198926 214228 227344 297934 320852 340496 397852 428456 595868 641704 696241 795704 856912 1042769 1191736 1283408 1392482 1591408 1789241 2085538 2383472 2784964 3578482 4171076 5569928 7156964 8342152 11139856 12524687 14313928 16684304 23260133 25049374 28627856 46520266 50098748 87672809 93040532 100197496 162820931 175345618 186081064 200394992 325641862 350691236 372162128 651283724 701382472 1139746517 1302567448 1402764944 2279493034 2605134896 4558986068 9117972136 18235944272
• Sum of all divisors σ(n): 44329803336
• Sum of proper divisors (its aliquot sum) s(n): 26093859064
• 18235944272 is an abundant number, because the sum of its proper divisors (26093859064) is greater than itself. Its abundance is 7857914792

Bases of 18235944272

• Binary: 10000111110111100100110110101010000₂
• Hexadecimal: 0x43EF26D50
• Base-36: 8DL7KNK

Squares and roots of 18235944272

• 18235944272 squared (18235944272²) is 332549663491489609984
• 18235944272 cubed (18235944272³) is 6064357131103157473935238811648
• The square root of 18235944272 is 135040.5282572607
• The cube root of 18235944272 is 2632.1426284561

Scales and comparisons

• 18,235,944,272 seconds is equal to 579 years, 44 weeks, 4 hours, 4 minutes, 32 seconds.
• To count from 1 to 18,235,944,272 would take you about one thousand, one hundred fifty-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 18235944272 cubic inches would be around 219.3 feet tall.

Recreational maths with 18235944272

• 18235944272 backwards is 27244953281
• The number of decimal digits it has is: 11
• The sum of 18235944272's digits is 47
• More coming soon!