18549389958

Names of 18549389958

• Cardinal: 18549389958 can be written as Eighteen billion, five hundred forty-nine million, three hundred eighty-nine thousand, nine hundred fifty-eight.

Scientific notation

• Scientific notation: 1.8549389958 × 10¹⁰

Factors of 18549389958

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5898

Divisors of 18549389958

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 11 19 22 31 33 38 57 62 66 83 93 114 166 186 209 249 341 418 498 589 627 682 913 1023 1178 1254 1577 1767 1826 2046 2573 2739 3154 3534 4731 5146 5478 5749 6479 7719 9462 11498 12958 15438 17247 17347 19437 28303 34494 34694 38874 48887 52041 56606 63239 84909 97774 104082 109231 126478 146661 169818 178219 189717 218462 293322 327693 356438 379434 477167 534657 537757 655386 954334 1069314 1075514 1201541 1431501 1613271 1960409 2403082 2863002 3226542 3386161 3604623 3920818 5248837 5881227 6772322 7209246 9066173 10158483 10497674 11762454 14792177 15746511 18132346 20316966 27198519 29584354 31493022 37247771 44376531 54397038 74495542 88753062 99727903 111743313 162713947 199455806 223486626 281051363 299183709 325427894 488141841 562102726 598367418 843154089 976283682 1686308178 3091564993 6183129986 9274694979 18549389958
• Sum of all divisors σ(n): 44513280000
• Sum of proper divisors (its aliquot sum) s(n): 25963890042
• 18549389958 is an abundant number, because the sum of its proper divisors (25963890042) is greater than itself. Its abundance is 7414500084

Bases of 18549389958

• Binary: 10001010001101000010011101010000110₂
• Hexadecimal: 0x451A13A86
• Base-36: 8IRTSW6

Squares and roots of 18549389958

• 18549389958 squared (18549389958²) is 344079867813951241764
• 18549389958 cubed (18549389958³) is 6382471644778074576278771805912
• The square root of 18549389958 is 136196.1451657131
• The cube root of 18549389958 is 2647.1377644203

Scales and comparisons

• 18,549,389,958 seconds is equal to 589 years, 42 weeks, 2 days, 19 minutes, 18 seconds.
• To count from 1 to 18,549,389,958 would take you about one thousand, one hundred seventy-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 18549389958 cubic inches would be around 220.6 feet tall.

Recreational maths with 18549389958

• 18549389958 backwards is 85998394581
• The number of decimal digits it has is: 11
• The sum of 18549389958's digits is 69
• More coming soon!