18638077378795776

Names of 18638077378795776

• Cardinal: 18638077378795776 can be written as Eighteen quadrillion, six hundred thirty-eight trillion, seventy-seven billion, three hundred seventy-eight million, seven hundred ninety-five thousand, seven hundred seventy-six.

Scientific notation

• Scientific notation: 1.8638077378795776 × 10¹⁶

Factors of 18638077378795776

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 735403936995

Divisors of 18638077378795776

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 128 132 144 176 192 198 256 264 288 352 384 396 528 576 704 768 792 1056 1152 1408 1584 2112 2304 2816 3168 4224 6336 8448 12672 25344 735403936979 1470807873958 2206211810937 2941615747916 4412423621874 5883231495832 6618635432811 8089443306769 8824847243748 11766462991664 13237270865622 16178886613538 17649694487496 23532925983328 24268329920307 26474541731244 32357773227076 35299388974992 47065851966656 48536659840614 52949083462488 64715546454152 70598777949984 72804989760921 94131703933312 97073319681228 105898166924976 129431092908304 141197555899968 145609979521842 188263407866624 194146639362456 211796333849952 258862185816608 282395111799936 291219959043684 388293278724912 423592667699904 517724371633216 564790223599872 582439918087368 776586557449824 847185335399808 1035448743266432 1164879836174736 1553173114899648 1694370670799616 2070897486532864 2329759672349472 3106346229799296 4659519344698944 6212692459598592 9319038689397888 18638077378795776
• Sum of all divisors σ(n): 58623460240297680
• Sum of proper divisors (its aliquot sum) s(n): 39985382861501904
• 18638077378795776 is an abundant number, because the sum of its proper divisors (39985382861501904) is greater than itself. Its abundance is 21347305482706128

Bases of 18638077378795776

• Binary: 1000010001101110011101110001101011101011001100100000000₂
• Hexadecimal: 0x42373B8D759900
• Base-36: 53INAJMFR40

Squares and roots of 18638077378795776

• 18638077378795776 squared (18638077378795776²) is 347377928377978824211743915442176
• 18638077378795776 cubed (18638077378795776³) is 6474456708794546375236857429147890098749441048576
• The square root of 18638077378795776 is 136521344.0411270489
• The cube root of 18638077378795776 is 265134.9846481847

Scales and comparisons

• 18,638,077,378,795,776 seconds is equal to 592,633,209 years, 14 weeks, 6 days, 12 hours, 9 minutes, 36 seconds.
• To count from 1 to 18,638,077,378,795,776 would take you about one billion, seven hundred seventy-seven million, eight hundred ninety-nine thousand, six hundred twenty-seven 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 18638077378795776 cubic inches would be around 22094.6 feet tall.

Recreational maths with 18638077378795776

• 18638077378795776 backwards is 67759787377083681
• 18638077378795776 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18638077378795776's digits is 99
• More coming soon!