18125989908455772

Names of 18125989908455772

• Cardinal: 18125989908455772 can be written as Eighteen quadrillion, one hundred twenty-five trillion, nine hundred eighty-nine billion, nine hundred eight million, four hundred fifty-five thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 1.8125989908455772 × 10¹⁶

Factors of 18125989908455772

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 942353

Divisors of 18125989908455772

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 243 252 324 378 486 567 729 756 972 1134 1458 1701 2268 2916 3402 5103 6804 10206 20412 942341 1884682 2827023 3769364 5654046 6596387 8481069 11308092 13192774 16962138 19789161 25443207 26385548 33924276 39578322 50886414 59367483 76329621 79156644 101772828 118734966 152659242 178102449 228988863 237469932 305318484 356204898 457977726 534307347 686966589 712409796 915955452 1068614694 1373933178 1602922041 2137229388 2747866356 3205844082 4808766123 6411688164 9617532246 19235064492 888006560281 1776013120562 2664019680843 3552026241124 5328039361686 6216045921967 7992059042529 10656078723372 12432091843934 15984118085058 18648137765901 23976177127587 24864183687868 31968236170116 37296275531802 47952354255174 55944413297703 71928531382761 74592551063604 95904708510348 111888826595406 143857062765522 167833239893109 215785594148283 223777653190812 287714125531044 335666479786218 431571188296566 503499719679327 647356782444849 671332959572436 863142376593132 1006999439358654 1294713564889698 1510499159037981 2013998878717308 2589427129779396 3020998318075962 4531497477113943 6041996636151924 9062994954227886 18125989908455772
• Sum of all divisors σ(n): 54353163220548584
• Sum of proper divisors (its aliquot sum) s(n): 36227173312092812
• 18125989908455772 is an abundant number, because the sum of its proper divisors (36227173312092812) is greater than itself. Its abundance is 18101183403637040

Bases of 18125989908455772

• Binary: 1000000011001010111110111100101101100100010000101011100₂
• Hexadecimal: 0x40657DE5B2215C
• Base-36: 4YH4KT4AXR0

Squares and roots of 18125989908455772

• 18125989908455772 squared (18125989908455772²) is 328551510161440485808905680115984
• 18125989908455772 cubed (18125989908455772³) is 5955321357594174275404141627404298813127294259648
• The square root of 18125989908455772 is 134632796.5558755377
• The cube root of 18125989908455772 is 262684.1756718943

Scales and comparisons

• 18,125,989,908,455,772 seconds is equal to 576,350,411 years, 37 weeks, 3 days, 9 hours, 16 minutes, 12 seconds.
• To count from 1 to 18,125,989,908,455,772 would take you about one billion, seven hundred twenty-nine million, fifty-one thousand, two hundred thirty-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 18125989908455772 cubic inches would be around 21890.3 feet tall.

Recreational maths with 18125989908455772

• 18125989908455772 backwards is 27755480998952181
• The number of decimal digits it has is: 17
• The sum of 18125989908455772's digits is 90
• More coming soon!