18368958816

Names of 18368958816

• Cardinal: 18368958816 can be written as Eighteen billion, three hundred sixty-eight million, nine hundred fifty-eight thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.8368958816 × 10¹⁰

Factors of 18368958816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 9695

Divisors of 18368958816

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 72 78 96 104 108 117 144 156 169 208 216 234 288 312 338 351 416 432 468 507 624 676 702 864 936 1014 1248 1352 1404 1521 1872 2028 2197 2704 2808 3042 3744 4056 4394 4563 5408 5616 6084 6591 8112 8788 9126 9677 11232 12168 13182 16224 17576 18252 19354 19773 24336 26364 29031 35152 36504 38708 39546 48672 52728 58062 59319 70304 73008 77416 79092 87093 105456 116124 118638 125801 146016 154832 158184 174186 210912 232248 237276 251602 261279 309664 316368 348372 377403 464496 474552 503204 522558 632736 696744 754806 928992 949104 1006408 1045116 1132209 1393488 1509612 1635413 1898208 2012816 2090232 2264418 2786976 3019224 3270826 3396627 4025632 4180464 4528836 4906239 6038448 6541652 6793254 8360928 9057672 9812478 12076896 13083304 13586508 14718717 18115344 19624956 21260369 26166608 27173016 29437434 36230688 39249912 42520738 44156151 52333216 54346032 58874868 63781107 78499824 85041476 88312302 108692064 117749736 127562214 156999648 170082952 176624604 191343321 235499472 255124428 340165904 353249208 382686642 470998944 510248856 574029963 680331808 706498416 765373284 1020497712 1148059926 1412996832 1530746568 2040995424 2296119852 3061493136 4592239704 6122986272 9184479408 18368958816
• Sum of all divisors σ(n): 58044772800
• Sum of proper divisors (its aliquot sum) s(n): 39675813984
• 18368958816 is an abundant number, because the sum of its proper divisors (39675813984) is greater than itself. Its abundance is 21306855168

Bases of 18368958816

• Binary: 10001000110111000000001000101100000₂
• Hexadecimal: 0x446E01160
• Base-36: 8FSEJC0

Squares and roots of 18368958816

• 18368958816 squared (18368958816²) is 337418647983904121856
• 18368958816 cubed (18368958816³) is 6198029248566736245265509482496
• The square root of 18368958816 is 135532.1320425529
• The cube root of 18368958816 is 2638.5268227161

Scales and comparisons

• 18,368,958,816 seconds is equal to 584 years, 3 weeks, 6 days, 16 hours, 33 minutes, 36 seconds.
• To count from 1 to 18,368,958,816 would take you about one thousand, one hundred sixty-eight 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 18368958816 cubic inches would be around 219.9 feet tall.

Recreational maths with 18368958816

• 18368958816 backwards is 61885986381
• The number of decimal digits it has is: 11
• The sum of 18368958816's digits is 63
• More coming soon!