18390005141951072

Names of 18390005141951072

• Cardinal: 18390005141951072 can be written as Eighteen quadrillion, three hundred ninety trillion, five billion, one hundred forty-one million, nine hundred fifty-one thousand and seventy-two.

Scientific notation

• Scientific notation: 1.8390005141951072 × 10¹⁶

Factors of 18390005141951072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1070061444

Divisors of 18390005141951072

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 73 112 146 224 292 511 584 1022 1051 1168 2044 2102 2336 4088 4204 7357 8176 8408 14714 16352 16816 29428 33632 58856 76723 117712 153446 235424 306892 537061 613784 1074122 1227568 2148244 2455136 4296488 8592976 17185952 1070060311 2140120622 4280241244 7490422177 8560482488 14980844354 17120964976 29961688708 34241929952 59923377416 78114402703 119846754832 156228805406 239693509664 312457610812 546800818921 624915221624 1093601637842 1124633386861 1249830443248 2187203275684 2249266773722 2499660886496 4374406551368 4498533547444 7872433708027 8748813102736 8997067094888 15744867416054 17497626205472 17994134189776 31489734832108 35988268379552 62979469664216 82098237240853 125958939328432 164196474481706 251917878656864 328392948963412 574687660685971 656785897926824 1149375321371942 1313571795853648 2298750642743884 2627143591707296 4597501285487768 9195002570975536 18390005141951072
• Sum of all divisors σ(n): 41984235804962304
• Sum of proper divisors (its aliquot sum) s(n): 23594230663011232
• 18390005141951072 is an abundant number, because the sum of its proper divisors (23594230663011232) is greater than itself. Its abundance is 5204225521060160

Bases of 18390005141951072

• Binary: 1000001010101011001110010111011111001110101001001100000₂
• Hexadecimal: 0x41559CBBE75260
• Base-36: 512PNQDNLNK

Squares and roots of 18390005141951072

• 18390005141951072 squared (18390005141951072²) is 338192289120986867820826841949184
• 18390005141951072 cubed (18390005141951072³) is 6219357935903152087017368312668377646981238325248
• The square root of 18390005141951072 is 135609753.1225209185
• The cube root of 18390005141951072 is 263953.4139845843

Scales and comparisons

• 18,390,005,141,951,072 seconds is equal to 584,745,279 years, 25 weeks, 4 days, 13 hours, 4 minutes, 32 seconds.
• To count from 1 to 18,390,005,141,951,072 would take you about one billion, seven hundred fifty-four million, two hundred thirty-five thousand, eight hundred thirty-eight 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 18390005141951072 cubic inches would be around 21996.1 feet tall.

Recreational maths with 18390005141951072

• 18390005141951072 backwards is 27015914150009381
• 18390005141951072 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18390005141951072's digits is 56
• More coming soon!