18418181012
18,418,181,012 is an even composite number composed of five prime numbers multiplied together.
18418181012 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 18418181012:
22 × 7 × 113 × 192 × 372
(2 × 2 × 7 × 11 × 11 × 11 × 19 × 19 × 37 × 37)See below for interesting mathematical facts about the number 18418181012 from the Numbermatics database.
Names of 18418181012
- Cardinal: 18418181012 can be written as Eighteen billion, four hundred eighteen million, one hundred eighty-one thousand and twelve.
Scientific notation
- Scientific notation: 1.8418181012 × 1010
Factors of 18418181012
Divisors of 18418181012
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 4 7 11 14 19 22 28 37 38 44 74 76 77 121 133 148 154 209 242 259 266 308 361 407 418 484 518 532 703 722 814 836 847 1036 1331 1369 1406 1444 1463 1628 1694 2299 2527 2662 2738 2812 2849 2926 3388 3971 4477 4598 4921 5054 5324 5476 5698 5852 7733 7942 8954 9196 9317 9583 9842 10108 11396 13357 15059 15466 15884 16093 17908 18634 19166 19684 25289 26011 26714 27797 30118 30932 31339 32186 37268 38332 43681 49247 50578 52022 53428 54131 55594 60236 62678 64372 85063 87362 93499 98494 101156 104044 105413 108262 111188 125356 146927 165649 170126 174724 177023 182077 186998 196988 210826 216524 286121 293854 305767 331298 340252 344729 354046 364154 373996 421652 480491 494209 572242 587708 595441 611534 662596 689458 708092 728308 935693 960982 988418 1028489 1144484 1159543 1190882 1223068 1378916 1616197 1822139 1871386 1921964 1976836 2002847 2056978 2319086 2381764 3147331 3232394 3363437 3459463 3644278 3742772 4005694 4113956 4638172 5436299 6294662 6464788 6549851 6726874 6918926 7288556 8011388 10872598 11313379 12589324 12754973 13099702 13453748 13837852 17778167 21745196 22031317 22626758 25509946 26199404 34620641 35556334 38054093 44062634 45253516 51019892 59799289 69241282 71112668 76108186 88125268 119598578 124447169 138482564 152216372 239197156 242344487 248894338 418595023 484688974 497788676 657792179 837190046 969377948 1315584358 1674380092 2631168716 4604545253 9209090506 18418181012
- Sum of all divisors σ(n): 43948916928
- Sum of proper divisors (its aliquot sum) s(n): 25530735916
- 18418181012 is an abundant number, because the sum of its proper divisors (25530735916) is greater than itself. Its abundance is 7112554904
Bases of 18418181012
- Binary: 100010010011100111100100011100101002
- Hexadecimal: 0x449CF2394
- Base-36: 8GLPJF8
Squares and roots of 18418181012
- 18418181012 squared (184181810122) is 339229391790797344144
- 18418181012 cubed (184181810123) is 6247988342593572320253050193728
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The
square root of 18418181012 is 135713.5992154065 -
The
cube root of 18418181012 is 2640.8814880485
Scales and comparisons
How big is 18418181012?- 18,418,181,012 seconds is equal to 585 years, 33 weeks, 2 days, 9 hours, 23 minutes, 32 seconds.
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To count from 1 to 18,418,181,012 would take you about one thousand, one 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 18418181012 cubic inches would be around 220.1 feet tall.
Recreational maths with 18418181012
- 18418181012 backwards is 21018181481
- The number of decimal digits it has is: 11
- The sum of 18418181012's digits is 35
- More coming soon!
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