18380918784

Names of 18380918784

• Cardinal: 18380918784 can be written as Eighteen billion, three hundred eighty million, nine hundred eighteen thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 1.8380918784 × 10¹⁰

Factors of 18380918784

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 770

Divisors of 18380918784

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 31 32 48 62 64 73 93 96 124 128 146 186 192 219 248 256 292 372 384 438 496 512 584 661 744 768 876 992 1024 1168 1322 1488 1536 1752 1983 1984 2048 2263 2336 2644 2976 3072 3504 3966 3968 4096 4526 4672 5288 5952 6144 6789 7008 7932 7936 9052 9344 10576 11904 12288 13578 14016 15864 15872 18104 18688 20491 21152 23808 27156 28032 31728 31744 36208 37376 40982 42304 47616 48253 54312 56064 61473 63456 63488 72416 74752 81964 84608 95232 96506 108624 112128 122946 126912 126976 144759 144832 149504 163928 169216 190464 193012 217248 224256 245892 253824 289518 289664 299008 327856 338432 380928 386024 434496 448512 491784 507648 579036 579328 655712 676864 772048 868992 897024 983568 1015296 1158072 1158656 1311424 1353728 1495843 1544096 1737984 1967136 2030592 2316144 2317312 2622848 2707456 2991686 3088192 3475968 3934272 4061184 4487529 4632288 4634624 5245696 5983372 6176384 6951936 7868544 8122368 8975058 9264576 9269248 10491392 11966744 12352768 13903872 15737088 17950116 18529152 20982784 23933488 24705536 27807744 31474176 35900232 37058304 41965568 47866976 49411072 62948352 71800464 74116608 83931136 95733952 98822144 125896704 143600928 148233216 191467904 197644288 251793408 287201856 296466432 382935808 574403712 592932864 765871616 1148807424 1531743232 2297614848 3063486464 4595229696 6126972928 9190459392 18380918784
• Sum of all divisors σ(n): 51361370624
• Sum of proper divisors (its aliquot sum) s(n): 32980451840
• 18380918784 is an abundant number, because the sum of its proper divisors (32980451840) is greater than itself. Its abundance is 14599533056

Bases of 18380918784

• Binary: 10001000111100101101001000000000000₂
• Hexadecimal: 0x447969000
• Base-36: 8FZIVPC

Squares and roots of 18380918784

• 18380918784 squared (18380918784²) is 337858175344004038656
• 18380918784 cubed (18380918784³) is 6210143681508569495903932514304
• The square root of 18380918784 is 135576.2471231597
• The cube root of 18380918784 is 2639.0993438253

Scales and comparisons

• 18,380,918,784 seconds is equal to 584 years, 23 weeks, 5 days, 2 hours, 46 minutes, 24 seconds.
• To count from 1 to 18,380,918,784 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 18380918784 cubic inches would be around 219.9 feet tall.

Recreational maths with 18380918784

• 18380918784 backwards is 48781908381
• The number of decimal digits it has is: 11
• The sum of 18380918784's digits is 57
• More coming soon!