18108221852

Names of 18108221852

• Cardinal: 18108221852 can be written as Eighteen billion, one hundred eight million, two hundred twenty-one thousand, eight hundred fifty-two.

Scientific notation

• Scientific notation: 1.8108221852 × 10¹⁰

Factors of 18108221852

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 719

Divisors of 18108221852

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 14 19 28 38 47 49 76 94 98 133 188 196 266 307 329 337 532 614 658 674 893 931 1228 1316 1348 1786 1862 2149 2303 2359 3572 3724 4298 4606 4718 5833 6251 6403 8596 9212 9436 11666 12502 12806 14429 15043 15839 16513 23332 25004 25612 28858 30086 31678 33026 40831 43757 44821 57716 60172 63356 66052 81662 87514 89642 101003 103459 110873 163324 175028 179284 202006 206918 221746 274151 285817 300941 313747 404012 413836 443492 548302 571634 601882 627494 707021 724213 776111 1096604 1143268 1203764 1254988 1414042 1448426 1552222 1919057 1965721 2106587 2828084 2896852 3104444 3838114 3931442 4213174 4862573 5069491 7676228 7862884 8426348 9725146 10138982 13433399 13760047 14746109 19450292 20277964 26866798 27520094 29492218 34038011 53733596 55040188 58984436 68076022 92388887 96320329 136152044 184777774 192640658 238266077 369555548 385281316 476532154 646722209 953064308 1293444418 2586888836 4527055463 9054110926 18108221852
• Sum of all divisors σ(n): 39875996160
• Sum of proper divisors (its aliquot sum) s(n): 21767774308
• 18108221852 is an abundant number, because the sum of its proper divisors (21767774308) is greater than itself. Its abundance is 3659552456

Bases of 18108221852

• Binary: 10000110111010101011000100110011100₂
• Hexadecimal: 0x43755899C
• Base-36: 8BH61EK

Squares and roots of 18108221852

• 18108221852 squared (18108221852²) is 327907698641250309904
• 18108221852 cubed (18108221852³) is 5937825353974519570405384822208
• The square root of 18108221852 is 134566.7932738237
• The cube root of 18108221852 is 2625.9831529145

Scales and comparisons

• 18,108,221,852 seconds is equal to 575 years, 40 weeks, 5 days, 21 hours, 37 minutes, 32 seconds.
• To count from 1 to 18,108,221,852 would take you about one thousand, one hundred fifty-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 18108221852 cubic inches would be around 218.8 feet tall.

Recreational maths with 18108221852

• 18108221852 backwards is 25812280181
• 18108221852 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18108221852's digits is 38
• More coming soon!