18166426597920

Names of 18166426597920

• Cardinal: 18166426597920 can be written as Eighteen trillion, one hundred sixty-six billion, four hundred twenty-six million, five hundred ninety-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.816642659792 × 10¹³

Factors of 18166426597920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1279287

Divisors of 18166426597920

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 38 40 48 57 60 76 80 95 96 114 120 152 160 190 228 240 285 304 380 456 480 570 608 760 912 1140 1520 1559 1824 2280 3040 3118 4560 4677 6236 7795 9120 9354 12472 15590 18708 23385 24944 29621 31180 37416 46770 49888 59242 62360 74832 88863 93540 118484 124720 148105 149664 177726 187080 236968 249440 296210 355452 374160 444315 473936 592420 710904 748320 888630 947872 1184840 1277699 1421808 1777260 2369680 2555398 2843616 3554520 3833097 4739360 5110796 6388495 7109040 7666194 10221592 12776990 14218080 15332388 19165485 20443184 24276281 25553980 30664776 38330970 40886368 48552562 51107960 61329552 72828843 76661940 97105124 102215920 121381405 122659104 145657686 153323880 194210248 204431840 242762810 291315372 306647760 364144215 388420496 485525620 582630744 613295520 728288430 776840992 971051240 1165261488 1456576860 1942102480 1991932741 2330522976 2913153720 3884204960 3983865482 5826307440 5975798223 7967730964 9959663705 11652614880 11951596446 15935461928 19919327410 23903192892 29878991115 31870923856 37846722079 39838654820 47806385784 59757982230 63741847712 75693444158 79677309640 95612771568 113540166237 119515964460 151386888316 159354619280 189233610395 191225543136 227080332474 239031928920 302773776632 318709238560 378467220790 454160664948 478063857840 567700831185 605547553264 756934441580 908321329896 956127715680 1135401662370 1211095106528 1513868883160 1816642659792 2270803324740 3027737766320 3633285319584 4541606649480 6055475532640 9083213298960 18166426597920
• Sum of all divisors σ(n): 60274730880000
• Sum of proper divisors (its aliquot sum) s(n): 42108304282080
• 18166426597920 is an abundant number, because the sum of its proper divisors (42108304282080) is greater than itself. Its abundance is 23941877684160

Bases of 18166426597920

• Binary: 100001000010110110011011001110111101000100000₂
• Hexadecimal: 0x1085B3677A20
• Base-36: 6FTJHCPPC

Squares and roots of 18166426597920

• 18166426597920 squared (18166426597920²) is 330019055337615225348326400
• 18166426597920 cubed (18166426597920³) is 5995266944705685575230591309717721088000
• The square root of 18166426597920 is 4262209.1217958793
• The cube root of 18166426597920 is 26287.9368494455

Scales and comparisons

• 18,166,426,597,920 seconds is equal to 577,636 years, 9 weeks, 2 hours, 32 minutes.
• To count from 1 to 18,166,426,597,920 would take you about one million, four hundred forty-four thousand and ninety 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 18166426597920 cubic inches would be around 2190.7 feet tall.

Recreational maths with 18166426597920

• 18166426597920 backwards is 02979562466181
• The number of decimal digits it has is: 14
• The sum of 18166426597920's digits is 66
• More coming soon!