18013063680

Names of 18013063680

• Cardinal: 18013063680 can be written as Eighteen billion, thirteen million, sixty-three thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.801306368 × 10¹⁰

Factors of 18013063680

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 781827

Divisors of 18013063680

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 480 512 576 640 720 768 960 1152 1280 1440 1536 1920 2304 2560 2880 3840 4608 5760 7680 11520 23040 781817 1563634 2345451 3127268 3909085 4690902 6254536 7036353 7818170 9381804 11727255 12509072 14072706 15636340 18763608 23454510 25018144 28145412 31272680 35181765 37527216 46909020 50036288 56290824 62545360 70363530 75054432 93818040 100072576 112581648 125090720 140727060 150108864 187636080 200145152 225163296 250181440 281454120 300217728 375272160 400290304 450326592 500362880 562908240 600435456 750544320 900653184 1000725760 1125816480 1200870912 1501088640 1801306368 2001451520 2251632960 3002177280 3602612736 4503265920 6004354560 9006531840 18013063680
• Sum of all divisors σ(n): 62384385492
• Sum of proper divisors (its aliquot sum) s(n): 44371321812
• 18013063680 is an abundant number, because the sum of its proper divisors (44371321812) is greater than itself. Its abundance is 26358258132

Bases of 18013063680

• Binary: 10000110001101010011000101000000000₂
• Hexadecimal: 0x431A98A00
• Base-36: 89WIGW0

Squares and roots of 18013063680

• 18013063680 squared (18013063680²) is 324470463139735142400
• 18013063680 cubed (18013063680³) is 5844707114815141858385068032000
• The square root of 18013063680 is 134212.7552805617
• The cube root of 18013063680 is 2621.3752506493

Scales and comparisons

• 18,013,063,680 seconds is equal to 572 years, 39 weeks, 3 days, 12 hours, 48 minutes.
• To count from 1 to 18,013,063,680 would take you about one thousand, one hundred forty-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 18013063680 cubic inches would be around 218.4 feet tall.

Recreational maths with 18013063680

• 18013063680 backwards is 08636031081
• 18013063680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18013063680's digits is 36
• More coming soon!