18157929398364

Names of 18157929398364

• Cardinal: 18157929398364 can be written as Eighteen trillion, one hundred fifty-seven billion, nine hundred twenty-nine million, three hundred ninety-eight thousand, three hundred sixty-four.

Scientific notation

• Scientific notation: 1.8157929398364 × 10¹³

Factors of 18157929398364

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5574

Divisors of 18157929398364

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 42 71 84 142 213 284 426 487 497 852 974 994 1461 1491 1948 1988 2411 2593 2922 2982 3409 4822 5186 5844 5964 6818 7233 7779 9644 10227 10372 13636 14466 15558 16877 18151 20454 28932 31116 33754 34577 36302 40908 50631 54453 67508 69154 72604 101262 103731 108906 138308 171181 184103 202524 207462 217812 242039 342362 368206 414924 484078 513543 552309 684724 726117 736412 968156 1027086 1104618 1174157 1198267 1262791 1288721 1452234 2054172 2209236 2348314 2396534 2525582 2577442 2904468 3522471 3594801 3788373 3866163 4696628 4793068 5051164 5154884 6251723 7044942 7189602 7576746 7732326 8219099 8839537 12503446 14089884 14379204 15153492 15464652 16438198 17679074 18755169 24657297 25006892 26518611 32876396 35358148 37510338 43762061 49314594 53037222 75020676 83365147 87524122 89658161 98629188 106074444 131286183 166730294 175048244 179316322 250095441 262572366 268974483 333460588 358632644 443872333 500190882 525144732 537948966 583556029 627607127 887744666 1000381764 1075897932 1167112058 1255214254 1331616999 1750668087 1775489332 1882821381 2334224116 2510428508 2663233998 3044589101 3107106331 3501336174 3765642762 5326467996 6089178202 6214212662 7002672348 7531285524 9133767303 9321318993 12178356404 12428425324 18267534606 18642637986 21312123707 36535069212 37285275972 42624247414 63936371121 85248494828 127872742242 216165826171 255745484484 432331652342 648497478513 864663304684 1296994957026 1513160783197 2593989914052 3026321566394 4539482349591 6052643132788 9078964699182 18157929398364
• Sum of all divisors σ(n): 49243352481792
• Sum of proper divisors (its aliquot sum) s(n): 31085423083428
• 18157929398364 is an abundant number, because the sum of its proper divisors (31085423083428) is greater than itself. Its abundance is 12927493685064

Bases of 18157929398364

• Binary: 100001000001110111000111011101000000001011100₂
• Hexadecimal: 0x1083B8EE805C
• Base-36: 6FPMYC8KC

Squares and roots of 18157929398364

• 18157929398364 squared (18157929398364²) is 329710400035971615005876496
• 18157929398364 cubed (18157929398364³) is 5986858165759523831221836437337768452544
• The square root of 18157929398364 is 4261212.1982323293
• The cube root of 18157929398364 is 26283.8375534121

Scales and comparisons

• 18,157,929,398,364 seconds is equal to 577,365 years, 51 weeks, 2 days, 21 hours, 19 minutes, 24 seconds.
• To count from 1 to 18,157,929,398,364 would take you about one million, four hundred forty-three thousand, four hundred fourteen 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 18157929398364 cubic inches would be around 2190.3 feet tall.

Recreational maths with 18157929398364

• 18157929398364 backwards is 46389392975181
• The number of decimal digits it has is: 14
• The sum of 18157929398364's digits is 75
• More coming soon!