18238161358974336

Names of 18238161358974336

• Cardinal: 18238161358974336 can be written as Eighteen quadrillion, two hundred thirty-eight trillion, one hundred sixty-one billion, three hundred fifty-eight million, nine hundred seventy-four thousand, three hundred thirty-six.

Scientific notation

• Scientific notation: 1.8238161358974336 × 10¹⁶

Factors of 18238161358974336

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 530147

Divisors of 18238161358974336

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 169 192 208 312 338 384 416 507 624 676 832 1014 1248 1352 1664 2028 2496 2704 4056 4992 5408 8112 10816 16224 21632 32448 64896 530129 1060258 1590387 2120516 3180774 4241032 6361548 6891677 8482064 12723096 13783354 16964128 20675031 25446192 27566708 33928256 41350062 50892384 55133416 67856512 82700124 89591801 101784768 110266832 165400248 179183602 203569536 220533664 268775403 330800496 358367204 441067328 537550806 661600992 716734408 882134656 1075101612 1323201984 1433468816 2150203224 2646403968 2866937632 4300406448 5733875264 8600812896 11467750528 17201625792 34403251584 281036756641 562073513282 843110269923 1124147026564 1686220539846 2248294053128 3372441079692 3653477836333 4496588106256 6744882159384 7306955672666 8993176212512 10960433508999 13489764318768 14613911345332 17986352425024 21920867017998 26979528637536 29227822690664 35972704850048 43841734035996 47495211872329 53959057275072 58455645381328 87683468071992 94990423744658 107918114550144 116911290762656 142485635616987 175366936143984 189980847489316 233822581525312 284971271233974 350733872287968 379961694978632 467645163050624 569942542467948 701467744575936 759923389957264 1139885084935896 1402935489151872 1519846779914528 2279770169871792 3039693559829056 4559540339743584 6079387119658112 9119080679487168 18238161358974336
• Sum of all divisors σ(n): 52458419948674860
• Sum of proper divisors (its aliquot sum) s(n): 34220258589700524
• 18238161358974336 is an abundant number, because the sum of its proper divisors (34220258589700524) is greater than itself. Its abundance is 15982097230726188

Bases of 18238161358974336

• Binary: 1000000110010111000001011011001001010000110110110000000₂
• Hexadecimal: 0x40CB82D9286D80
• Base-36: 4ZKVZNTREYO

Squares and roots of 18238161358974336

• 18238161358974336 squared (18238161358974336²) is 332630529755984598534765906640896
• 18238161358974336 cubed (18238161358974336³) is 6066569274610761374080237987871794684109632045056
• The square root of 18238161358974336 is 135048736.9765979559
• The cube root of 18238161358974336 is 263224.9294217751

Scales and comparisons

• 18,238,161,358,974,336 seconds is equal to 579,917,116 years, 45 weeks, 4 days, 16 hours, 25 minutes, 36 seconds.
• To count from 1 to 18,238,161,358,974,336 would take you about one billion, seven hundred thirty-nine million, seven hundred fifty-one thousand, three hundred fifty 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 18238161358974336 cubic inches would be around 21935.4 feet tall.

Recreational maths with 18238161358974336

• 18238161358974336 backwards is 63347985316183281
• 18238161358974336 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18238161358974336's digits is 78
• More coming soon!