18641097072

Names of 18641097072

• Cardinal: 18641097072 can be written as Eighteen billion, six hundred forty-one million, ninety-seven thousand and seventy-two.

Scientific notation

• Scientific notation: 1.8641097072 × 10¹⁰

Factors of 18641097072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 321270

Divisors of 18641097072

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 31 36 39 48 52 62 72 78 93 104 117 124 144 156 186 208 234 248 279 312 372 403 468 496 558 624 744 806 936 1116 1209 1488 1612 1872 2232 2418 3224 3627 4464 4836 6448 7254 9672 14508 19344 29016 58032 321221 642442 963663 1284884 1927326 2569768 2890989 3854652 4175873 5139536 5781978 7709304 8351746 9957851 11563956 12527619 15418608 16703492 19915702 23127912 25055238 29873553 33406984 37582857 39831404 46255824 50110476 59747106 66813968 75165714 79662808 89620659 100220952 119494212 129452063 150331428 159325616 179241318 200441904 238988424 258904126 300662856 358482636 388356189 477976848 517808252 601325712 716965272 776712378 1035616504 1165068567 1433930544 1553424756 2071233008 2330137134 3106849512 4660274268 6213699024 9320548536 18641097072
• Sum of all divisors σ(n): 57994704768
• Sum of proper divisors (its aliquot sum) s(n): 39353607696
• 18641097072 is an abundant number, because the sum of its proper divisors (39353607696) is greater than itself. Its abundance is 20712510624

Bases of 18641097072

• Binary: 10001010111000110001001000101110000₂
• Hexadecimal: 0x457189170
• Base-36: 8KAFEK0

Squares and roots of 18641097072

• 18641097072 squared (18641097072²) is 347490500047726973184
• 18641097072 cubed (18641097072³) is 6477604142987499140075684917248
• The square root of 18641097072 is 136532.4030111533
• The cube root of 18641097072 is 2651.4930270365

Scales and comparisons

• 18,641,097,072 seconds is equal to 592 years, 37 weeks, 6 days, 10 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,641,097,072 would take you about one thousand, one hundred eighty-five 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 18641097072 cubic inches would be around 221 feet tall.

Recreational maths with 18641097072

• 18641097072 backwards is 27079014681
• The number of decimal digits it has is: 11
• The sum of 18641097072's digits is 45
• More coming soon!