18115725136572

Names of 18115725136572

• Cardinal: 18115725136572 can be written as Eighteen trillion, one hundred fifteen billion, seven hundred twenty-five million, one hundred thirty-six thousand, five hundred seventy-two.

Scientific notation

• Scientific notation: 1.8115725136572 × 10¹³

Factors of 18115725136572

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 43

Divisors of 18115725136572

• Number of divisors d(n): 294
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 31 36 42 54 62 63 81 84 93 108 124 126 162 186 189 217 243 252 279 324 372 378 434 486 558 567 651 729 756 837 868 961 972 1116 1134 1302 1458 1674 1701 1922 1953 2268 2511 2604 2883 2916 3348 3402 3844 3906 5022 5103 5766 5859 6727 6804 7533 7812 8649 10044 10206 11532 11718 13454 15066 17298 17577 20181 20412 22599 23436 25947 26908 29791 30132 34596 35154 40362 45198 51894 52731 59582 60543 70308 77841 80724 89373 90396 103788 105462 119164 121086 155682 158193 178746 181629 208537 210924 233523 242172 268119 311364 316386 357492 363258 417074 467046 536238 544887 625611 632772 700569 726516 804357 834148 923521 934092 1072476 1089774 1251222 1401138 1608714 1634661 1847042 1876833 2179548 2413071 2502444 2770563 2802276 3217428 3269322 3694084 3753666 4826142 4903983 5541126 5630499 6464647 6538644 7239213 7507332 8311689 9652284 9807966 11082252 11260998 12929294 14478426 16623378 16891497 19393941 19615932 21717639 22521996 24935067 25858588 28629151 28956852 33246756 33782994 38787882 43435278 49870134 50674491 57258302 58181823 67565988 74805201 77575764 85887453 86870556 99740268 101348982 114516604 116363646 149610402 152023473 171774906 174545469 200404057 202697964 224415603 232727292 257662359 299220804 304046946 343549812 349090938 400808114 448831206 515324718 523636407 601212171 608093892 673246809 698181876 772987077 801616228 887503681 897662412 1030649436 1047272814 1202424342 1346493618 1545974154 1570909221 1775007362 1803636513 2094545628 2318961231 2404848684 2662511043 2692987236 3091948308 3141818442 3550014724 3607273026 4637922462 4712727663 5325022086 5410909539 6212525767 6283636884 6956883693 7214546052 7987533129 9275844924 9425455326 10650044172 10821819078 12425051534 13913767386 15975066258 16232728617 18637577301 18850910652 20870651079 21643638156 23962599387 24850103068 27827534772 31950132516 32465457234 37275154602 41741302158 47925198774 48698185851 55912731903 64930914468 71887798161 74550309204 83482604316 95850397548 97396371702 111825463806 143775596322 146094557553 167738195709 194792743404 215663394483 223650927612 287551192644 292189115106 335476391418 431326788966 503214587127 584378230212 646990183449 670952782836 862653577932 1006429174254 1293980366898 1509643761381 2012858348508 2587960733796 3019287522762 4528931284143 6038575045524 9057862568286 18115725136572
• Sum of all divisors σ(n): 56133069481496
• Sum of proper divisors (its aliquot sum) s(n): 38017344344924
• 18115725136572 is an abundant number, because the sum of its proper divisors (38017344344924) is greater than itself. Its abundance is 19901619208352

Bases of 18115725136572

• Binary: 100000111100111100101010111001001001010111100₂
• Hexadecimal: 0x1079E55C92BC
• Base-36: 6F68Z0FR0

Squares and roots of 18115725136572

• 18115725136572 squared (18115725136572²) is 328179497223826608051911184
• 18115725136572 cubed (18115725136572³) is 5945209567165236574003656248634014221248
• The square root of 18115725136572 is 4256257.1746279617
• The cube root of 18115725136572 is 26263.4580177527
• Being both a perfect square and a perfect cube, 18115725136572 is also a perfect sixth number.

Scales and comparisons

• 18,115,725,136,572 seconds is equal to 576,024 years, 1 week, 1 day, 15 hours, 16 minutes, 12 seconds.
• To count from 1 to 18,115,725,136,572 would take you about one million, four hundred forty thousand and sixty 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 18115725136572 cubic inches would be around 2188.6 feet tall.

Recreational maths with 18115725136572

• 18115725136572 backwards is 27563152751181
• 18115725136572 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18115725136572's digits is 54
• More coming soon!