18195378587356992

Names of 18195378587356992

• Cardinal: 18195378587356992 can be written as Eighteen quadrillion, one hundred ninety-five trillion, three hundred seventy-eight billion, five hundred eighty-seven million, three hundred fifty-six thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.8195378587356992 × 10¹⁶

Factors of 18195378587356992

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 29240233986

Divisors of 18195378587356992

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 463 672 926 1344 1389 1852 2778 3241 3704 5556 6482 7408 9723 11112 12964 14816 19446 22224 25928 29632 38892 44448 51856 77784 88896 103712 155568 207424 311136 622272 29240233511 58480467022 87720700533 116960934044 175441401066 204681634577 233921868088 350882802132 409363269154 467843736176 614044903731 701765604264 818726538308 935687472352 1228089807462 1403531208528 1637453076616 1871374944704 2456179614924 2807062417056 3274906153232 4912359229848 5614124834112 6549812306464 9824718459696 13099624612928 13538228115593 19649436919392 27076456231186 39298873838784 40614684346779 54152912462372 81229368693558 94767596809151 108305824924744 162458737387116 189535193618302 216611649849488 284302790427453 324917474774232 379070387236604 433223299698976 568605580854906 649834949548464 758140774473208 866446599397952 1137211161709812 1299669899096928 1516281548946416 2274422323419624 2599339798193856 3032563097892832 4548844646839248 6065126195785664 9097689293678496 18195378587356992
• Sum of all divisors σ(n): 55138191372644352
• Sum of proper divisors (its aliquot sum) s(n): 36942812785287360
• 18195378587356992 is an abundant number, because the sum of its proper divisors (36942812785287360) is greater than itself. Its abundance is 18747434197930368

Bases of 18195378587356992

• Binary: 1000000101001001001100110110101010000001100111101000000₂
• Hexadecimal: 0x40A499B540CF40
• Base-36: 4Z5Q1J05Q2O

Squares and roots of 18195378587356992

• 18195378587356992 squared (18195378587356992²) is 331071801937249325754188051288064
• 18195378587356992 cubed (18195378587356992³) is 6023976775846721484225123405277736575090996543488
• The square root of 18195378587356992 is 134890246.4500565437
• The cube root of 18195378587356992 is 263018.9454050017

Scales and comparisons

• 18,195,378,587,356,992 seconds is equal to 578,556,757 years, 3 weeks, 6 days, 21 hours, 23 minutes, 12 seconds.
• To count from 1 to 18,195,378,587,356,992 would take you about one billion, seven hundred thirty-five million, six hundred seventy thousand, two hundred seventy-one 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 18195378587356992 cubic inches would be around 21918.2 feet tall.

Recreational maths with 18195378587356992

• 18195378587356992 backwards is 29965378587359181
• 18195378587356992 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18195378587356992's digits is 96
• More coming soon!