21918107618517000

Names of 21918107618517000

• Cardinal: 21918107618517000 can be written as Twenty-one quadrillion, nine hundred eighteen trillion, one hundred seven billion, six hundred eighteen million, five hundred seventeen thousand.

Scientific notation

• Scientific notation: 2.1918107618517 × 10¹⁶

Factors of 21918107618517000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 60380461780

Divisors of 21918107618517000

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 20 22 24 25 30 33 40 44 50 55 60 66 75 88 100 110 120 121 125 132 150 165 200 220 242 250 264 275 300 330 363 375 440 484 500 550 600 605 660 726 750 825 968 1000 1100 1210 1320 1375 1452 1500 1650 1815 2200 2420 2750 2904 3000 3025 3300 3630 4125 4840 5500 6050 6600 7260 8250 9075 11000 12100 14520 15125 16500 18150 24200 30250 33000 36300 45375 60500 72600 90750 121000 181500 363000 60380461759 120760923518 181141385277 241521847036 301902308795 362282770554 483043694072 603804617590 664185079349 724565541108 905706926385 1207609235180 1328370158698 1449131082216 1509511543975 1811413852770 1992555238047 2415218470360 2656740317396 3019023087950 3320925396745 3622827705540 3985110476094 4528534631925 5313480634792 6038046175900 6641850793490 7245655411080 7306035872839 7547557719875 7970220952188 9057069263850 9962776190235 12076092351800 13283701586980 14612071745678 15095115439750 15940441904376 16604626983725 18114138527700 19925552380470 21918107618517 22642673159625 26567403173960 29224143491356 30190230879500 33209253967450 36228277055400 36530179364195 39851104760940 43836215237034 45285346319250 49813880951175 58448286982712 60380461759000 66418507934900 73060358728390 79702209521880 83023134918625 87672430474068 90570692638500 99627761902350 109590538092585 132837015869800 146120717456780 166046269837250 175344860948136 181141385277000 182650896820975 199255523804700 219181076185170 249069404755875 292241434913560 332092539674500 365301793641950 398511047609400 438362152370340 498138809511750 547952690462925 664185079349000 730603587283900 876724304740680 913254484104875 996277619023500 1095905380925850 1461207174567800 1826508968209750 1992555238047000 2191810761851700 2739763452314625 3653017936419500 4383621523703400 5479526904629250 7306035872839000 10959053809258500 21918107618517000
• Sum of all divisors σ(n): 75166429235788800
• Sum of proper divisors (its aliquot sum) s(n): 53248321617271800
• 21918107618517000 is an abundant number, because the sum of its proper divisors (53248321617271800) is greater than itself. Its abundance is 31330213998754800

Bases of 21918107618517000

• Binary: 1001101110111100110011100011010110000000010000000001000₂
• Hexadecimal: 0x4DDE671AC02008
• Base-36: 5ZTBJMVAO7C

Squares and roots of 21918107618517000

• 21918107618517000 squared (21918107618517000²) is 480403441576892957201279289000000
• 21918107618517000 cubed (21918107618517000³) is 10529534332788284037299161202449584994413000000000
• The square root of 21918107618517000 is 148047653.2016532845
• The cube root of 21918107618517000 is 279855.8255146121

Scales and comparisons

• 21,918,107,618,517,000 seconds is equal to 696,928,025 years, 5 weeks, 5 days, 5 hours, 50 minutes.
• To count from 1 to 21,918,107,618,517,000 would take you about two billion, ninety million, seven hundred eighty-four thousand and seventy-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 21918107618517000 cubic inches would be around 23321.3 feet tall.

Recreational maths with 21918107618517000

• 21918107618517000 backwards is 00071581670181912
• The number of decimal digits it has is: 17
• The sum of 21918107618517000's digits is 57
• More coming soon!