18644657749424

Names of 18644657749424

• Cardinal: 18644657749424 can be written as Eighteen trillion, six hundred forty-four billion, six hundred fifty-seven million, seven hundred forty-nine thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 1.8644657749424 × 10¹³

Factors of 18644657749424

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 507

Divisors of 18644657749424

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 4 7 8 14 16 28 49 56 67 98 112 134 196 268 343 392 431 469 536 686 784 862 938 1072 1372 1724 1876 2401 2744 3017 3283 3448 3752 4802 5488 6034 6566 6896 7504 9604 12068 13132 16807 19208 21119 22981 24136 26264 28877 33614 38416 42238 45962 48272 52528 57754 67228 84476 91924 115508 117649 134456 147833 160867 168952 183848 202139 231016 235298 268912 295666 321734 337904 367696 404278 462032 470596 591332 643468 808556 823543 941192 1034831 1126069 1182664 1286936 1414973 1617112 1647086 1882384 2069662 2252138 2365328 2573872 2829946 3234224 3294172 4139324 4504276 5659892 5764801 6588344 7243817 7882483 8278648 9008552 9904811 11319784 11529602 13176688 14487634 15764966 16557296 18017104 19809622 22639568 23059204 28975268 31529932 39619244 40353607 46118408 50706719 55177381 57950536 63059864 69333677 79238488 80707214 92236816 101413438 110354762 115901072 126119728 138667354 158476976 161414428 202826876 220709524 277334708 322828856 354947033 386241667 405653752 441419048 485335739 554669416 645657712 709894066 772483334 811307504 882838096 970671478 1109338832 1419788132 1544966668 1941342956 2484629231 2703691669 2839576264 3089933336 3397350173 3882685912 4969258462 5407383338 5679152528 6179866672 6794700346 7765371824 9938516924 10814766676 13589400692 17392404617 19877033848 21629533352 23781451211 27178801384 34784809234 39754067696 43259066704 47562902422 54357602768 69569618468 95125804844 139139236936 166470158477 190251609688 278278473872 332940316954 380503219376 665880633908 1165291109339 1331761267816 2330582218678 2663522535632 4661164437356 9322328874712 18644657749424
• Sum of all divisors σ(n): 42872963240448
• Sum of proper divisors (its aliquot sum) s(n): 24228305491024
• 18644657749424 is an abundant number, because the sum of its proper divisors (24228305491024) is greater than itself. Its abundance is 5583647741600

Bases of 18644657749424

• Binary: 100001111010100001100001100111011110110110000₂
• Hexadecimal: 0x10F50C33BDB0
• Base-36: 6LX8JTZU8

Squares and roots of 18644657749424

• 18644657749424 squared (18644657749424²) is 347623262593156416772331776
• 18644657749424 cubed (18644657749424³) is 6481316756787547883682827536908800897024
• The square root of 18644657749424 is 4317946.0104804461
• The cube root of 18644657749424 is 26516.6183881591

Scales and comparisons

• 18,644,657,749,424 seconds is equal to 592,842 years, 23 weeks, 21 hours, 3 minutes, 44 seconds.
• To count from 1 to 18,644,657,749,424 would take you about one million, four hundred eighty-two thousand, one hundred six 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 18644657749424 cubic inches would be around 2209.7 feet tall.

Recreational maths with 18644657749424

• 18644657749424 backwards is 42494775644681
• The number of decimal digits it has is: 14
• The sum of 18644657749424's digits is 71
• More coming soon!