18421114992

Names of 18421114992

• Cardinal: 18421114992 can be written as Eighteen billion, four hundred twenty-one million, one hundred fourteen thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.8421114992 × 10¹⁰

Factors of 18421114992

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 48997

Divisors of 18421114992

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 42 48 56 57 59 76 84 112 114 118 133 152 168 177 228 236 266 304 336 354 399 413 456 472 532 708 798 826 912 944 1064 1121 1239 1416 1596 1652 2128 2242 2478 2832 3192 3304 3363 4484 4956 6384 6608 6726 7847 8968 9912 13452 15694 17936 19824 23541 26904 31388 47082 48907 53808 62776 94164 97814 125552 146721 188328 195628 293442 342349 376656 391256 586884 684698 782512 929233 1027047 1173768 1369396 1858466 2054094 2347536 2738792 2787699 2885513 3716932 4108188 5477584 5575398 5771026 6504631 7433864 8216376 8656539 11150796 11542052 13009262 14867728 16432752 17313078 19513893 20198591 22301592 23084104 26018524 34626156 39027786 40397182 44603184 46168208 52037048 54824747 60595773 69252312 78055572 80794364 104074096 109649494 121191546 138504624 156111144 161588728 164474241 219298988 242383092 312222288 323177456 328948482 383773229 438597976 484766184 657896964 767546458 877195952 969532368 1151319687 1315793928 1535092916 2302639374 2631587856 3070185832 4605278748 6140371664 9210557496 18421114992
• Sum of all divisors σ(n): 58220083200
• Sum of proper divisors (its aliquot sum) s(n): 39798968208
• 18421114992 is an abundant number, because the sum of its proper divisors (39798968208) is greater than itself. Its abundance is 21377853216

Bases of 18421114992

• Binary: 10001001001111110111110100001110000₂
• Hexadecimal: 0x449FBE870
• Base-36: 8GNGFAO

Squares and roots of 18421114992

• 18421114992 squared (18421114992²) is 339337477548487160064
• 18421114992 cubed (18421114992³) is 6250974695015900231174454079488
• The square root of 18421114992 is 135724.4082396383
• The cube root of 18421114992 is 2641.0217096781

Scales and comparisons

• 18,421,114,992 seconds is equal to 585 years, 38 weeks, 1 day, 8 hours, 23 minutes, 12 seconds.
• To count from 1 to 18,421,114,992 would take you about one thousand, one hundred seventy-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 18421114992 cubic inches would be around 220.1 feet tall.

Recreational maths with 18421114992

• 18421114992 backwards is 29941112481
• 18421114992 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18421114992's digits is 42
• More coming soon!