18166201984

Names of 18166201984

• Cardinal: 18166201984 can be written as Eighteen billion, one hundred sixty-six million, two hundred one thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.8166201984 × 10¹⁰

Factors of 18166201984

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 310

Divisors of 18166201984

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 37 49 53 56 64 74 98 106 112 128 148 196 211 212 224 259 296 343 371 392 422 424 448 518 592 686 742 784 844 848 896 1036 1184 1372 1477 1484 1568 1688 1696 1813 1961 2072 2368 2597 2744 2954 2968 3136 3376 3392 3626 3922 4144 4736 5194 5488 5908 5936 6272 6752 6784 7252 7807 7844 8288 10339 10388 10976 11183 11816 11872 12691 13504 13727 14504 15614 15688 16576 18179 20678 20776 21952 22366 23632 23744 25382 27008 27454 29008 31228 31376 33152 36358 41356 41552 43904 44732 47264 47488 50764 54649 54908 58016 62456 62752 72373 72716 78281 82712 83104 89464 94528 96089 101528 109298 109816 116032 124912 125504 144746 145432 156562 165424 166208 178928 189056 192178 203056 218596 219632 232064 249824 251008 289492 290864 313124 330848 332416 357856 382543 384356 406112 413771 437192 439264 499648 547967 578984 581728 626248 661696 672623 715712 765086 768712 812224 827542 874384 878528 999296 1095934 1157968 1163456 1252496 1323392 1345246 1431424 1530172 1537424 1624448 1655084 1748768 1757056 2191868 2315936 2326912 2504992 2677801 2690492 2896397 3060344 3074848 3310168 3497536 3835769 4383736 4631872 5009984 5355602 5380984 5792794 6120688 6149696 6620336 6995072 7671538 8767472 9263744 10019968 10711204 10761968 11585588 12241376 12299392 13240672 15343076 17534944 20274779 21422408 21523936 23171176 24482752 26481344 30686152 35069888 40549558 42844816 43047872 46342352 48965504 52962688 61372304 70139776 81099116 85689632 86095744 92684704 122744608 141923453 162198232 171379264 185369408 245489216 283846906 324396464 342758528 370738816 490978432 567693812 648792928 1135387624 1297585856 2270775248 2595171712 4541550496 9083100992 18166201984
• Sum of all divisors σ(n): 44372448000
• Sum of proper divisors (its aliquot sum) s(n): 26206246016
• 18166201984 is an abundant number, because the sum of its proper divisors (26206246016) is greater than itself. Its abundance is 8040044032

Bases of 18166201984

• Binary: 10000111010110010100011111010000000₂
• Hexadecimal: 0x43ACA3E80
• Base-36: 8CFOR5S

Squares and roots of 18166201984

• 18166201984 squared (18166201984²) is 330010894523485536256
• 18166201984 cubed (18166201984³) is 5995044566834157683329051131904
• The square root of 18166201984 is 134782.0536421671
• The cube root of 18166201984 is 2628.7828505613

Scales and comparisons

• 18,166,201,984 seconds is equal to 577 years, 32 weeks, 4 days, 23 hours, 13 minutes, 4 seconds.
• To count from 1 to 18,166,201,984 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 18166201984 cubic inches would be around 219.1 feet tall.

Recreational maths with 18166201984

• 18166201984 backwards is 48910266181
• The number of decimal digits it has is: 11
• The sum of 18166201984's digits is 46
• More coming soon!