18438337342464

Names of 18438337342464

• Cardinal: 18438337342464 can be written as Eighteen trillion, four hundred thirty-eight billion, three hundred thirty-seven million, three hundred forty-two thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.8438337342464 × 10¹³

Factors of 18438337342464

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 5868

Divisors of 18438337342464

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 43 48 52 64 78 86 96 104 128 129 156 172 192 208 256 258 312 344 384 416 512 516 559 624 688 768 832 1024 1032 1118 1248 1376 1536 1664 1677 1849 2064 2236 2496 2752 3072 3328 3354 3698 4128 4472 4992 5504 5547 5807 6656 6708 7396 8256 8944 9984 11008 11094 11614 13312 13416 14792 16512 17421 17888 19968 22016 22188 23228 24037 26832 29584 33024 34842 35776 39936 44032 44376 46456 48074 53664 59168 66048 69684 71552 72111 75491 79507 88752 92912 96148 107328 118336 132096 139368 143104 144222 150982 159014 177504 185824 192296 214656 226473 236672 238521 249701 278736 286208 288444 301964 318028 355008 371648 384592 429312 452946 473344 477042 499402 557472 572416 576888 603928 636056 710016 743296 749103 769184 858624 905892 946688 954084 998804 1033591 1114944 1153776 1207856 1272112 1420032 1486592 1498206 1538368 1717248 1811784 1893376 1908168 1997608 2067182 2229888 2307552 2415712 2544224 2840064 2973184 2996412 3076736 3100773 3246113 3623568 3816336 3995216 4134364 4459776 4615104 4831424 5088448 5680128 5946368 5992824 6153472 6201546 6492226 7247136 7632672 7990432 8268728 8919552 9230208 9662848 9738339 10176896 10737143 11985648 12306944 12403092 12984452 14494272 15265344 15980864 16537456 17839104 18460416 19325696 19476678 20353792 21474286 23971296 24613888 24806184 25968904 28988544 30530688 31961728 32211429 33074912 36920832 38651392 38953356 40707584 42948572 47942592 49612368 51937808 57977088 61061376 63923456 64422858 66149824 73841664 77302784 77906712 81415168 85897144 95885184 99224736 103875616 115954176 122122752 127846912 128845716 132299648 139582859 155813424 171794288 191770368 198449472 207751232 231908352 244245504 255693824 257691432 264599296 279165718 311626848 343588576 383540736 396898944 415502464 418748577 461697149 515382864 529198592 558331436 623253696 687177152 767081472 793797888 831004928 837497154 923394298 1030765728 1058397184 1116662872 1246507392 1374354304 1385091447 1587595776 1662009856 1674994308 1846788596 2061531456 2233325744 2493014784 2748708608 2770182894 3175191552 3324019712 3349988616 3693577192 4123062912 4466651488 4986029568 5497417216 5540365788 6002062937 6699977232 7387154384 8246125824 8933302976 9972059136 10994834432 11080731576 12004125874 13399954464 14774308768 16492251648 17866605952 18006188811 22161463152 24008251748 26799908928 29548617536 32984503296 35733211904 36012377622 44322926304 48016503496 53599817856 59097235072 71466423808 72024755244 88645852608 96033006992 107199635712 118194470144 142932847616 144049510488 177291705216 192066013984 214399271424 236388940288 288099020976 354583410432 384132027968 428798542848 472777880576 576198041952 709166820864 768264055936 1152396083904 1418333641728 1536528111872 2304792167808 3073056223744 4609584335616 6146112447488 9219168671232 18438337342464
• Sum of all divisors σ(n): 54194708198400
• Sum of proper divisors (its aliquot sum) s(n): 35756370855936
• 18438337342464 is an abundant number, because the sum of its proper divisors (35756370855936) is greater than itself. Its abundance is 17318033513472

Bases of 18438337342464

• Binary: 100001100010100000010100011000010110000000000₂
• Hexadecimal: 0x10C5028C2C00
• Base-36: 6JAGDZMYO

Squares and roots of 18438337342464

• 18438337342464 squared (18438337342464²) is 339972283954502402017591296
• 18438337342464 cubed (18438337342464³) is 6268523658641076207904538848467137593344
• The square root of 18438337342464 is 4293988.5121485829
• The cube root of 18438337342464 is 26418.4450522119

Scales and comparisons

• 18,438,337,342,464 seconds is equal to 586,282 years, 4 weeks, 6 days, 4 hours, 54 minutes, 24 seconds.
• To count from 1 to 18,438,337,342,464 would take you about one million, four hundred sixty-five thousand, seven hundred five 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 18438337342464 cubic inches would be around 2201.5 feet tall.

Recreational maths with 18438337342464

• 18438337342464 backwards is 46424373383481
• The number of decimal digits it has is: 14
• The sum of 18438337342464's digits is 60
• More coming soon!