18372144672

Names of 18372144672

• Cardinal: 18372144672 can be written as Eighteen billion, three hundred seventy-two million, one hundred forty-four thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.8372144672 × 10¹⁰

Factors of 18372144672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 175

Divisors of 18372144672

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 72 84 96 98 112 126 144 147 163 168 196 224 252 288 294 326 336 343 392 441 489 504 588 652 672 686 784 882 978 1008 1029 1141 1176 1304 1372 1467 1568 1764 1956 2016 2058 2282 2352 2401 2608 2744 2934 3087 3423 3528 3912 4116 4564 4704 4802 5216 5488 5868 6174 6846 7056 7203 7824 7987 8232 9128 9604 10269 10976 11736 12348 13692 14112 14406 15648 15974 16464 18256 19208 20538 21609 23472 23961 24696 26569 27384 28812 31948 32928 36512 38416 41076 43218 46944 47922 49392 53138 54768 55909 57624 63896 71883 76832 79707 82152 86436 95844 98784 106276 109536 111818 115248 127792 143766 159414 164304 167727 172872 185983 191688 212552 223636 230496 239121 255584 287532 318828 328608 335454 345744 371966 383376 391363 425104 447272 478242 503181 557949 575064 637656 670908 691488 743932 766752 782726 850208 894544 956484 1006362 1115898 1150128 1174089 1275312 1301881 1341816 1487864 1565452 1673847 1789088 1912968 2012724 2231796 2300256 2348178 2550624 2603762 2683632 2975728 3130904 3347694 3522267 3825936 3905643 4025448 4463592 4696356 5207524 5367264 5951456 6261808 6695388 7044534 7651872 7811286 8050896 8927184 9113167 9392712 10415048 11716929 12523616 13390776 14089068 15622572 16101792 17854368 18226334 18785424 20830096 23433858 26781552 27339501 28178136 31245144 36452668 37570848 41660192 46867716 53563104 54679002 56356272 62490288 63792169 72905336 82018503 93735432 109358004 112712544 124980576 127584338 145810672 164037006 187470864 191376507 218716008 255168676 291621344 328074012 374941728 382753014 437432016 510337352 574129521 656148024 765506028 874864032 1020674704 1148259042 1312296048 1531012056 2041349408 2296518084 2624592096 3062024112 4593036168 6124048224 9186072336 18372144672
• Sum of all divisors σ(n): 61326009927
• Sum of proper divisors (its aliquot sum) s(n): 42953865255
• 18372144672 is an abundant number, because the sum of its proper divisors (42953865255) is greater than itself. Its abundance is 24581720583

Bases of 18372144672

• Binary: 10001000111000100001010111000100000₂
• Hexadecimal: 0x44710AE20
• Base-36: 8FUATK0

Squares and roots of 18372144672

• 18372144672 squared (18372144672²) is 337535699848897987584
• 18372144672 cubed (18372144672³) is 6201254709588722367662907752448
• The square root of 18372144672 is 135543.8846720869
• The cube root of 18372144672 is 2638.6793532377

Scales and comparisons

• 18,372,144,672 seconds is equal to 584 years, 9 weeks, 1 day, 13 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,372,144,672 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 18372144672 cubic inches would be around 219.9 feet tall.

Recreational maths with 18372144672

• 18372144672 backwards is 27644127381
• The number of decimal digits it has is: 11
• The sum of 18372144672's digits is 45
• More coming soon!