18055571908640

Names of 18055571908640

• Cardinal: 18055571908640 can be written as Eighteen trillion, fifty-five billion, five hundred seventy-one million, nine hundred eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.805557190864 × 10¹³

Factors of 18055571908640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 77136

Divisors of 18055571908640

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 70 80 98 112 140 160 173 196 224 245 280 346 392 490 560 692 784 865 980 1120 1211 1384 1568 1730 1960 2422 2768 3460 3920 4844 5536 6055 6920 7840 8477 9688 12110 13840 16954 19376 24220 27680 29929 33908 38752 42385 48440 59858 67816 76949 84770 96880 119716 135632 149645 153898 169540 193760 209503 239432 271264 299290 307796 339080 384745 419006 478864 538643 598580 615592 678160 769490 838012 957728 1047515 1077286 1197160 1231184 1356320 1466521 1538980 1676024 2095030 2154572 2394320 2462368 2693215 2933042 3077960 3352048 3770501 4190060 4309144 4788640 5386430 5866084 6155920 6704096 7332605 7541002 8380120 8618288 10772860 11732168 12311840 13312177 14665210 15082004 16760240 17236576 18852505 21545720 23464336 26624354 29330420 30164008 33520480 37705010 43091440 46928672 53248708 58660840 60328016 66560885 75410020 86182880 93185239 106497416 117321680 120656032 133121770 150820040 186370478 212994832 234643360 266243540 301640080 372740956 425989664 465926195 532487080 603280160 652296673 745481912 931852390 1064974160 1304593346 1490963824 1863704780 2129948320 2303006621 2609186692 2981927648 3261483365 3727409560 4606013242 5218373384 6522966730 7454819120 9212026484 10436746768 11515033105 13045933460 14909638240 16121046347 18424052968 20873493536 23030066210 26091866920 32242092694 36848105936 46060132420 52183733840 64484185388 73696211872 80605231735 92120264840 104367467680 112847324429 128968370776 161210463470 184240529680 225694648858 257936741552 322420926940 368481059360 451389297716 515873483104 564236622145 644841853880 902778595432 1128473244290 1289683707760 1805557190864 2256946488580 2579367415520 3611114381728 4513892977160 9027785954320 18055571908640
• Sum of all divisors σ(n): 49909711364100
• Sum of proper divisors (its aliquot sum) s(n): 31854139455460
• 18055571908640 is an abundant number, because the sum of its proper divisors (31854139455460) is greater than itself. Its abundance is 13798567546820

Bases of 18055571908640

• Binary: 100000110101111100011111100110010100000100000₂
• Hexadecimal: 0x106BE3F32820
• Base-36: 6EEM5C00W

Squares and roots of 18055571908640

• 18055571908640 squared (18055571908640²) is 326003676948069892506649600
• 18055571908640 cubed (18055571908640³) is 5886182831616920279210406952163692544000
• The square root of 18055571908640 is 4249184.8522557829
• The cube root of 18055571908640 is 26234.3565307527

Scales and comparisons

• 18,055,571,908,640 seconds is equal to 574,111 years, 17 weeks, 3 days, 17 hours, 17 minutes, 20 seconds.
• To count from 1 to 18,055,571,908,640 would take you about one million, four hundred thirty-five thousand, two hundred seventy-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 18055571908640 cubic inches would be around 2186.2 feet tall.

Recreational maths with 18055571908640

• 18055571908640 backwards is 04680917555081
• The number of decimal digits it has is: 14
• The sum of 18055571908640's digits is 59
• More coming soon!