18679479405408

Names of 18679479405408

• Cardinal: 18679479405408 can be written as Eighteen trillion, six hundred seventy-nine billion, four hundred seventy-nine million, four hundred five thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.8679479405408 × 10¹³

Factors of 18679479405408

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2817

Divisors of 18679479405408

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 69 72 89 92 96 138 144 178 184 207 267 276 288 356 368 414 529 534 552 683 712 736 801 828 1058 1068 1104 1366 1424 1587 1602 1656 2017 2047 2049 2116 2136 2208 2732 2848 3174 3204 3312 4034 4094 4098 4232 4272 4761 5464 6051 6141 6147 6348 6408 6624 8068 8188 8196 8464 8544 9522 10928 12102 12282 12294 12696 12816 15709 16136 16376 16392 16928 18153 18423 19044 21856 24204 24564 24588 25392 25632 31418 32272 32752 32784 36306 36846 38088 46391 47081 47127 48408 49128 49176 50784 60787 62836 64544 65504 65568 72612 73692 76176 92782 94162 94254 96816 98256 98352 121574 125672 139173 141243 141381 145224 147384 152352 179513 182361 185564 188324 188508 193632 196512 196704 243148 251344 278346 282486 282762 290448 294768 359026 361307 364722 371128 376648 377016 417519 423729 486296 502688 538539 547083 556692 564972 565524 580896 589536 718052 722614 729444 742256 753296 754032 835038 847458 972592 1066993 1077078 1083921 1094166 1113384 1129944 1131048 1377611 1398101 1436104 1445228 1458888 1484512 1506592 1508064 1615617 1670076 1694916 1945184 2133986 2154156 2167842 2188332 2226768 2259888 2262096 2755222 2796202 2872208 2890456 2917776 3200979 3231234 3251763 3340152 3389832 4128799 4132833 4194303 4267972 4308312 4335684 4376664 4453536 4519776 4524192 5510444 5592404 5744416 5780912 5835552 6401958 6462468 6503526 6680304 6779664 8257598 8265666 8388606 8535944 8616624 8671368 8753328 9602937 11020888 11184808 11561824 12386397 12398499 12582909 12803916 12924936 13007052 13360608 13559328 16515196 16531332 16777212 17071888 17233248 17342736 17506656 19205874 22041776 22369616 24772794 24796998 25165818 25607832 25849872 26014104 31685053 32156323 33030392 33062664 33554424 34143776 34685472 37159191 38411748 44083552 44739232 49545588 49593996 50331636 51215664 51699744 52028208 63370106 64312646 66060784 66125328 67108848 74318382 76823496 94962377 95055159 96468969 99091176 99187992 100663272 102431328 104056416 122607379 126740212 128625292 132121568 132250656 134217696 148636764 153646992 189924754 190110318 192937938 198182352 198375984 201326544 245214758 253480424 257250584 284887131 285165477 289406907 297273528 307293984 367822137 379849508 380220636 385875876 396364704 396751968 402653088 490429516 506960848 514501168 569774262 570330954 578813814 594547056 728756219 735644274 759699016 760441272 771751752 854661393 980859032 1013921696 1029002336 1103466411 1139548524 1140661908 1157627628 1189094112 1457512438 1471288548 1519398032 1520882544 1543503504 1709322786 1961718064 2186268657 2206932822 2279097048 2281323816 2315255256 2819969717 2915024876 2942577096 3038796064 3041765088 3087007008 3418645572 3923436128 4372537314 4413865644 4558194096 4562647632 4630510512 5639939434 5830049752 5885154192 6558805971 6837291144 8459909151 8745074628 8827731288 9116388192 9125295264 9261021024 11279878868 11660099504 11770308384 13117611942 13674582288 16919818302 17490149256 17655462576 22559757736 23320199008 25379727453 26235223884 27349164576 33839636604 34980298512 35310925152 45119515472 50759454906 52470447768 64859303491 67679273208 69960597024 90239030944 101518909812 104940895536 129718606982 135358546416 194577910473 203037819624 209881791072 259437213964 270717092832 389155820946 406075639248 518874427928 583733731419 778311641892 812151278496 1037748855856 1167467462838 1556623283784 2075497711712 2334934925676 3113246567568 4669869851352 6226493135136 9339739702704 18679479405408
• Sum of all divisors σ(n): 56263767028560
• Sum of proper divisors (its aliquot sum) s(n): 37584287623152
• 18679479405408 is an abundant number, because the sum of its proper divisors (37584287623152) is greater than itself. Its abundance is 18904808217744

Bases of 18679479405408

• Binary: 100001111110100100111101111000000101101100000₂
• Hexadecimal: 0x10FD27BC0B60
• Base-36: 6MD8FQXK0

Squares and roots of 18679479405408

• 18679479405408 squared (18679479405408²) is 348922950857061609219646464
• 18679479405408 cubed (18679479405408³) is 6517699074608669992184225382230689677312
• The square root of 18679479405408 is 4321976.3309634171
• The cube root of 18679479405408 is 26533.1160240855

Scales and comparisons

• 18,679,479,405,408 seconds is equal to 593,949 years, 34 weeks, 4 days, 7 hours, 16 minutes, 48 seconds.
• To count from 1 to 18,679,479,405,408 would take you about one million, four hundred eighty-four thousand, eight hundred seventy-four 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 18679479405408 cubic inches would be around 2211.1 feet tall.

Recreational maths with 18679479405408

• 18679479405408 backwards is 80450497497681
• 18679479405408 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18679479405408's digits is 72
• More coming soon!