18166179906

Names of 18166179906

• Cardinal: 18166179906 can be written as Eighteen billion, one hundred sixty-six million, one hundred seventy-nine thousand, nine hundred six.

Scientific notation

• Scientific notation: 1.8166179906 × 10¹⁰

Factors of 18166179906

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2082

Divisors of 18166179906

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 14 17 18 21 27 34 42 51 54 63 81 102 119 126 153 162 189 238 243 289 306 357 378 459 486 567 578 714 729 867 918 1071 1134 1377 1458 1701 1734 2023 2053 2142 2187 2601 2754 3213 3402 4046 4106 4131 4374 5103 5202 6069 6159 6426 7803 8262 9639 10206 12138 12318 12393 14371 15309 15606 18207 18477 19278 23409 24786 28742 28917 30618 34901 36414 36954 37179 43113 46818 54621 55431 57834 69802 70227 74358 86226 86751 104703 109242 110862 129339 140454 163863 166293 173502 209406 210681 244307 258678 260253 314109 327726 332586 388017 421362 488614 491589 498879 520506 593317 628218 632043 732921 776034 942327 983178 997758 1164051 1186634 1264086 1465842 1474767 1496637 1779951 1884654 2198763 2328102 2826981 2949534 2993274 3492153 3559902 4153219 4397526 4424301 4489911 5339853 5653962 6596289 6984306 8306438 8480943 8848602 8979822 10476459 10679706 12459657 13192578 16019559 16961886 19788867 20952918 24919314 25442829 31429377 32039118 37378971 39577734 48058677 50885658 59366601 62858754 74757942 76328487 96117354 112136913 118733202 144176031 152656974 178099803 224273826 288352062 336410739 356199606 432528093 534299409 672821478 865056186 1009232217 1068598818 1297584279 2018464434 2595168558 3027696651 6055393302 9083089953 18166179906
• Sum of all divisors σ(n): 49639100160
• Sum of proper divisors (its aliquot sum) s(n): 31472920254
• 18166179906 is an abundant number, because the sum of its proper divisors (31472920254) is greater than itself. Its abundance is 13306740348

Bases of 18166179906

• Binary: 10000111010110010011110100001000010₂
• Hexadecimal: 0x43AC9E842
• Base-36: 8CFOA4I

Squares and roots of 18166179906

• 18166179906 squared (18166179906²) is 330010092377158168836
• 18166179906 cubed (18166179906³) is 5995022708919134500092298609416
• The square root of 18166179906 is 134781.9717395469
• The cube root of 18166179906 is 2628.7817856111

Scales and comparisons

• 18,166,179,906 seconds is equal to 577 years, 32 weeks, 4 days, 17 hours, 5 minutes, 6 seconds.
• To count from 1 to 18,166,179,906 would take you about one thousand, one hundred fifty-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 18166179906 cubic inches would be around 219.1 feet tall.

Recreational maths with 18166179906

• 18166179906 backwards is 60997166181
• 18166179906 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18166179906's digits is 54
• More coming soon!