18891329134815

Names of 18891329134815

• Cardinal: 18891329134815 can be written as Eighteen trillion, eight hundred ninety-one billion, three hundred twenty-nine million, one hundred thirty-four thousand, eight hundred fifteen.

Scientific notation

• Scientific notation: 1.8891329134815 × 10¹³

Factors of 18891329134815

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 961

Divisors of 18891329134815

• Number of divisors d(n): 168
• Complete list of divisors:
  1 3 5 9 15 27 45 53 81 135 159 199 243 265 405 477 597 701 729 795 995 1215 1431 1791 2103 2385 2985 3505 3645 4293 5373 6309 7155 8955 10515 10547 12879 16119 18927 21465 26865 31545 31641 37153 38637 48357 52735 56781 64395 80595 94635 94923 111459 139499 145071 158205 170343 185765 193185 241785 283905 284769 334377 418497 474615 491401 511029 557295 697495 725355 851715 854307 1003131 1255491 1423845 1474203 1671885 2092485 2457005 2555145 2562921 3009393 3766473 4271535 4422609 5015655 6277455 7371015 7393447 7688763 9028179 11299419 12814605 13267827 15046965 18832365 22113045 22180341 26044253 27084537 33898257 36967235 38443815 39803481 45140895 56497095 66339135 66541023 78132759 97788799 101694771 110901705 119410443 130221265 135422685 169491285 199017405 199623069 234398277 293366397 332705115 358231329 390663795 488943995 508473855 597052215 598869207 703194831 880099191 998115345 1171991385 1466831985 1791156645 1796607621 2109584493 2640297573 2994346035 3515974155 4400495955 5182806347 5389822863 6328753479 7920892719 8983038105 10547922465 13201487865 15548419041 18986260437 23762678157 25914031735 26949114315 31643767395 39604463595 46645257123 71288034471 77742095205 94931302185 118813390785 139935771369 233226285615 356440172355 419807314107 699678856845 1259421942321 2099036570535 3778265826963 6297109711605 18891329134815
• Sum of all divisors σ(n): 34853883919200
• Sum of proper divisors (its aliquot sum) s(n): 15962554784385
• 18891329134815 is a deficient number, because the sum of its proper divisors (15962554784385) is less than itself. Its deficiency is 2928774350430

Bases of 18891329134815

• Binary: 100010010111001111010111101100110000011011111₂
• Hexadecimal: 0x112E7AF660DF
• Base-36: 6P2K1LUXR

Squares and roots of 18891329134815

• 18891329134815 squared (18891329134815²) is 356882316479910056445084225
• 18891329134815 cubed (18891329134815³) is 6741981303017192262951730786829054793375
• The square root of 18891329134815 is 4346415.6652136943
• The cube root of 18891329134815 is 26633.0459392873

Scales and comparisons

• 18,891,329,134,815 seconds is equal to 600,685 years, 43 weeks, 1 day, 18 hours, 20 minutes, 15 seconds.
• To count from 1 to 18,891,329,134,815 would take you about one million, five hundred one thousand, seven hundred fourteen 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 18891329134815 cubic inches would be around 2219.4 feet tall.

Recreational maths with 18891329134815

• 18891329134815 backwards is 51843192319881
• The number of decimal digits it has is: 14
• The sum of 18891329134815's digits is 63
• More coming soon!