18138720894976

Names of 18138720894976

• Cardinal: 18138720894976 can be written as Eighteen trillion, one hundred thirty-eight billion, seven hundred twenty million, eight hundred ninety-four thousand, nine hundred seventy-six.

Scientific notation

• Scientific notation: 1.8138720894976 × 10¹³

Factors of 18138720894976

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 83

Divisors of 18138720894976

• Number of divisors d(n): 456
• Complete list of divisors:
  1 2 4 8 11 16 22 23 32 44 46 47 64 88 92 94 121 128 176 184 188 242 253 256 352 368 376 484 506 512 517 529 704 736 752 968 1012 1024 1034 1058 1081 1408 1472 1504 1936 2024 2048 2068 2116 2162 2783 2816 2944 3008 3872 4048 4096 4136 4232 4324 5566 5632 5687 5819 5888 6016 7744 8096 8192 8272 8464 8648 11132 11264 11374 11638 11776 11891 12032 12167 15488 16192 16384 16544 16928 17296 22264 22528 22748 23276 23552 23782 24064 24334 24863 30976 32384 32768 33088 33856 34592 44528 45056 45496 46552 47104 47564 48128 48668 49726 61952 64009 64768 65536 66176 67712 69184 89056 90112 90992 93104 94208 95128 96256 97336 99452 123904 128018 129536 130801 131072 132352 133837 135424 138368 178112 180224 181984 186208 188416 190256 192512 194672 198904 247808 256036 259072 261602 262144 264704 267674 270848 273493 276736 356224 360448 363968 372416 376832 380512 385024 389344 397808 495616 512072 518144 523204 529408 535348 541696 546986 553472 571849 712448 720896 727936 744832 753664 761024 770048 778688 795616 991232 1024144 1036288 1046408 1058816 1070696 1083392 1093972 1106944 1143698 1424896 1441792 1455872 1472207 1489664 1507328 1522048 1540096 1557376 1591232 1982464 2048288 2072576 2092816 2117632 2141392 2166784 2187944 2213888 2287396 2849792 2883584 2911744 2944414 2979328 3008423 3014656 3044096 3080192 3114752 3182464 3964928 4096576 4145152 4185632 4235264 4282784 4333568 4375888 4427776 4574792 5699584 5823488 5888828 5958656 6016846 6029312 6088192 6160384 6229504 6290339 6364928 7929856 8193152 8290304 8371264 8470528 8565568 8667136 8751776 8855552 9149584 11399168 11646976 11777656 11917312 12033692 12176384 12320768 12459008 12580678 12729856 15859712 16386304 16580608 16742528 16941056 17131136 17334272 17503552 17711104 18299168 22798336 23293952 23555312 23834624 24067384 24352768 24918016 25161356 25459712 31719424 32772608 33161216 33485056 33882112 34262272 34668544 35007104 35422208 36598336 45596672 46587904 47110624 47669248 48134768 48705536 49836032 50322712 50919424 65545216 66322432 66970112 67764224 68524544 69193729 69337088 70014208 70844416 73196672 91193344 93175808 94221248 95338496 96269536 97411072 99672064 100645424 101838848 131090432 133940224 135528448 137049088 138387458 138674176 140028416 141688832 146393344 182386688 186351616 188442496 190676992 192539072 194822144 199344128 201290848 203677696 262180864 267880448 274098176 276774916 280056832 283377664 292786688 364773376 372703232 376884992 381353984 385078144 389644288 398688256 402581696 407355392 524361728 535760896 548196352 553549832 560113664 585573376 729546752 745406464 753769984 762707968 770156288 779288576 797376512 805163392 814710784 1048723456 1071521792 1096392704 1107099664 1120227328 1171146752 1490812928 1507539968 1525415936 1540312576 1558577152 1594753024 1610326784 1629421568 2097446912 2143043584 2192785408 2214199328 2240454656 2342293504 3015079936 3080625152 3117154304 3189506048 3220653568 3258843136 4194893824 4286087168 4385570816 4428398656 4480909312 4684587008 6030159872 6161250304 6441307136 6517686272 8389787648 8572174336 8771141632 8856797312 8961818624 9369174016 12060319744 12322500608 12882614272 16779575296 17144348672 17542283264 17713594624 17923637248 18738348032 24120639488 24645001216 25765228544 34288697344 35084566528 35427189248 35847274496 37476696064 48241278976 49290002432 51530457088 70854378496 71694548992 74953392128 96482557952 98580004864 103060914176 141708756992 149906784256 192965115904 197160009728 206121828352 283417513984 385930231808 394320019456 412243656704 566835027968 788640038912 824487313408 1133670055936 1648974626816 2267340111872 4534680223744 9069360447488 18138720894976
• Sum of all divisors σ(n): 42574453205760
• Sum of proper divisors (its aliquot sum) s(n): 24435732310784
• 18138720894976 is an abundant number, because the sum of its proper divisors (24435732310784) is greater than itself. Its abundance is 6297011415808

Bases of 18138720894976

• Binary: 100000111111101000000000001000000000000000000₂
• Hexadecimal: 0x107F40040000
• Base-36: 6FGTA3CHS

Squares and roots of 18138720894976

• 18138720894976 squared (18138720894976²) is 329013195705838942422040576
• 18138720894976 cubed (18138720894976³) is 5967878527672328781718429169810906546176
• The square root of 18138720894976 is 4258957.7240184011
• The cube root of 18138720894976 is 26274.5660976881

Scales and comparisons

• 18,138,720,894,976 seconds is equal to 576,755 years, 11 weeks, 2 days, 5 hours, 56 minutes, 16 seconds.
• To count from 1 to 18,138,720,894,976 would take you about one million, four hundred forty-one thousand, eight hundred eighty-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 18138720894976 cubic inches would be around 2189.5 feet tall.

Recreational maths with 18138720894976

• 18138720894976 backwards is 67949802783181
• The number of decimal digits it has is: 14
• The sum of 18138720894976's digits is 73
• More coming soon!