18145155466368

Names of 18145155466368

• Cardinal: 18145155466368 can be written as Eighteen trillion, one hundred forty-five billion, one hundred fifty-five million, four hundred sixty-six thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8145155466368 × 10¹³

Factors of 18145155466368

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 17941

Divisors of 18145155466368

• Number of divisors d(n): 216
• 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 64 72 84 96 98 112 126 128 144 147 168 192 196 224 252 288 294 336 384 392 441 448 504 576 588 672 784 882 896 1008 1152 1176 1344 1568 1764 2016 2352 2688 3136 3528 4032 4704 6272 7056 8064 9408 14112 17929 18816 28224 35858 53787 56448 71716 107574 125503 143432 161361 215148 251006 286864 322722 376509 430296 502012 573728 645444 753018 860592 878521 1004024 1129527 1147456 1290888 1506036 1721184 1757042 2008048 2259054 2294912 2581776 2635563 3012072 3442368 3514084 4016096 4518108 5163552 5271126 6024144 6884736 7028168 7906689 8032192 9036216 10327104 10542252 12048288 14056336 15813378 16064384 18072432 20654208 21084504 24096576 28112672 31626756 36144864 42169008 48193152 56225344 63253512 72289728 84338016 112450688 126507024 144579456 168676032 253014048 321449041 337352064 506028096 642898082 964347123 1012056192 1285796164 1928694246 2250143287 2571592328 2893041369 3857388492 4500286574 5143184656 5786082738 6750429861 7714776984 9000573148 10286369312 11572165476 13500859722 15429553968 15751003009 18001146296 20251289583 20572738624 23144330952 27001719444 30859107936 31502006018 36002292592 40502579166 41145477248 46288661904 47253009027 54003438888 61718215872 63004012036 72004585184 81005158332 92577323808 94506018054 108006877776 123436431744 126008024072 141759027081 144009170368 162010316664 185154647616 189012036108 216013755552 252016048144 283518054162 288018340736 324020633328 370309295232 378024072216 432027511104 504032096288 567036108324 648041266656 756048144432 864055022208 1008064192576 1134072216648 1296082533312 1512096288864 2016128385152 2268144433296 2592165066624 3024192577728 4536288866592 6048385155456 9072577733184 18145155466368
• Sum of all divisors σ(n): 60742791505305
• Sum of proper divisors (its aliquot sum) s(n): 42597636038937
• 18145155466368 is an abundant number, because the sum of its proper divisors (42597636038937) is greater than itself. Its abundance is 24452480572569

Bases of 18145155466368

• Binary: 100001000000010111111100010111100010010000000₂
• Hexadecimal: 0x1080BF8BC480
• Base-36: 6FJRP2JK0

Squares and roots of 18145155466368

• 18145155466368 squared (18145155466368²) is 329246666898664511579111424
• 18145155466368 cubed (18145155466368³) is 5974231957659746403798642486877756588032
• The square root of 18145155466368 is 4259713.0732442531
• The cube root of 18145155466368 is 26277.6726302949

Scales and comparisons

• 18,145,155,466,368 seconds is equal to 576,959 years, 42 weeks, 3 days, 10 hours, 52 minutes, 48 seconds.
• To count from 1 to 18,145,155,466,368 would take you about one million, four hundred forty-two thousand, three hundred ninety-nine 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 18145155466368 cubic inches would be around 2189.8 feet tall.

Recreational maths with 18145155466368

• 18145155466368 backwards is 86366455154181
• 18145155466368 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18145155466368's digits is 63
• More coming soon!