18388301639168

Names of 18388301639168

• Cardinal: 18388301639168 can be written as Eighteen trillion, three hundred eighty-eight billion, three hundred one million, six hundred thirty-nine thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8388301639168 × 10¹³

Factors of 18388301639168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1066

Divisors of 18388301639168

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 8 16 17 23 32 34 46 64 68 92 128 136 184 256 272 289 347 368 391 512 529 544 578 677 694 736 782 1058 1088 1156 1354 1388 1472 1564 2116 2176 2312 2708 2776 2944 3128 4232 4352 4624 5416 5552 5888 5899 6256 6647 7981 8464 8704 8993 9248 10832 11104 11509 11776 11798 12512 13294 15571 15962 16928 17986 18496 21664 22208 23018 23596 25024 26588 31142 31924 33856 35972 36992 43328 44416 46036 47192 50048 53176 62284 63848 67712 71944 73984 86656 88832 92072 94384 100096 100283 106352 124568 127696 135424 135677 143888 147968 152881 173312 177664 183563 184144 188768 195653 200192 200566 212704 234919 249136 255392 264707 270848 271354 287776 305762 346624 358133 367126 368288 377536 391306 401132 425408 469838 498272 510784 529414 542708 575552 611524 716266 734252 736576 755072 782612 802264 850816 939676 996544 1021568 1058828 1085416 1151104 1223048 1432532 1468504 1473152 1510144 1565224 1604528 1701632 1879352 1993088 2043136 2117656 2170832 2302208 2306509 2446096 2865064 2937008 2946304 3020288 3120571 3130448 3209056 3403264 3758704 3986176 3993623 4086272 4235312 4341664 4500019 4604416 4613018 4892192 5403137 5730128 5874016 5892608 6088261 6241142 6260896 6418112 7517408 7972352 7987246 8470624 8683328 9000038 9226036 9784384 10806274 11460256 11748032 12176522 12482284 12521792 12836224 15034816 15974492 16941248 17366656 18000076 18452072 19568768 21612548 22920512 23496064 24353044 24964568 25043584 25672448 30069632 31948984 33882496 34733312 36000152 36904144 39137536 43225096 45841024 46992128 48706088 49929136 50087168 51344896 53049707 60139264 63897968 67764992 67891591 69466624 72000304 73808288 78275072 86450192 91682048 91853329 93984256 97412176 99858272 100174336 103500437 106099414 120278528 124272151 127795936 135529984 135783182 144000608 147616576 172900384 183364096 183706658 194824352 199716544 207000874 212198828 248544302 255591872 271566364 288001216 295233152 345800768 367413316 389648704 399433088 414001748 424397656 497088604 511183744 543132728 576002432 590466304 691601536 734826632 779297408 798866176 828003496 848795312 994177208 1022367488 1086265456 1152004864 1180932608 1383203072 1469653264 1558594816 1561506593 1597732352 1656006992 1697590624 1988354416 2044734976 2112626567 2172530912 2304009728 2766406144 2939306528 3117189632 3123013186 3312013984 3395181248 3976708832 4225253134 4345061824 5878613056 6246026372 6624027968 6790362496 7953417664 8450506268 8690123648 11757226112 12492052744 13248055936 13580724992 15906835328 16901012536 17380247296 23514452224 24984105488 26496111872 27161449984 31813670656 33802025072 34760494592 35914651639 47028904448 49968210976 52992223744 63627341312 67604050144 71829303278 99936421952 135208100288 143658606556 199872843904 270416200576 287317213112 399745687808 540832401152 574634426224 799491375616 1081664802304 1149268852448 2298537704896 4597075409792 9194150819584 18388301639168
• Sum of all divisors σ(n): 40977747146952
• Sum of proper divisors (its aliquot sum) s(n): 22589445507784
• 18388301639168 is an abundant number, because the sum of its proper divisors (22589445507784) is greater than itself. Its abundance is 4201143868616

Bases of 18388301639168

• Binary: 100001011100101011100001011111110111000000000₂
• Hexadecimal: 0x10B95C2FEE00
• Base-36: 6INGW0V7K

Squares and roots of 18388301639168

• 18388301639168 squared (18388301639168²) is 338129637173028555671732224
• 18388301639168 cubed (18388301639168³) is 6217629761480082095897385197901166149632
• The square root of 18388301639168 is 4288158.3038838479
• The cube root of 18388301639168 is 26394.5263556197

Scales and comparisons

• 18,388,301,639,168 seconds is equal to 584,691 years, 5 weeks, 6 days, 6 hours, 26 minutes, 8 seconds.
• To count from 1 to 18,388,301,639,168 would take you about one million, four hundred sixty-one thousand, seven hundred twenty-seven 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 18388301639168 cubic inches would be around 2199.5 feet tall.

Recreational maths with 18388301639168

• 18388301639168 backwards is 86193610388381
• The number of decimal digits it has is: 14
• The sum of 18388301639168's digits is 65
• More coming soon!