18238365013606440

Names of 18238365013606440

• Cardinal: 18238365013606440 can be written as Eighteen quadrillion, two hundred thirty-eight trillion, three hundred sixty-five billion, thirteen million, six hundred six thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.823836501360644 × 10¹⁶

Factors of 18238365013606440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1693235

Divisors of 18238365013606440

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 3847 7694 11541 15388 19235 23082 23719 30776 38470 46164 47438 57705 71157 76940 92328 94876 115410 118595 142314 153880 189752 230820 237190 284628 355785 461640 474380 569256 711570 948760 1423140 1665659 2846280 3331318 4996977 6662636 8328295 9993954 13325272 16656590 19987908 24984885 33313180 39975816 49969770 66626360 91246993 99939540 182493986 199879080 273740979 364987972 456234965 547481958 729975944 912469930 1094963916 1368704895 1824939860 2189927832 2737409790 3649879720 5474819580 6407790173 10949639160 12815580346 19223370519 25631160692 32038950865 38446741038 39507765821 51262321384 64077901730 76893482076 79015531642 96116852595 118523297463 128155803460 153786964152 158031063284 192233705190 197538829105 237046594926 256311606920 316062126568 384467410380 395077658210 474093189852 592616487315 768934820760 790155316420 948186379704 1185232974630 1580310632840 2370465949260 4740931898520 151986375113387 303972750226774 455959125340161 607945500453548 759931875566935 911918250680322 1215891000907096 1519863751133870 1823836501360644 2279795626700805 3039727502267740 3647673002721288 4559591253401610 6079455004535480 9119182506803220 18238365013606440
• Sum of all divisors σ(n): 54731658099456000
• Sum of proper divisors (its aliquot sum) s(n): 36493293085849560
• 18238365013606440 is an abundant number, because the sum of its proper divisors (36493293085849560) is greater than itself. Its abundance is 18254928072243120

Bases of 18238365013606440

• Binary: 1000000110010111011001001000011111010111000000000101000₂
• Hexadecimal: 0x40CBB243EB8028
• Base-36: 4ZKYL7WGYSO

Squares and roots of 18238365013606440

• 18238365013606440 squared (18238365013606440²) is 332637958369543438326335209473600
• 18238365013606440 cubed (18238365013606440³) is 6066772502124556533828381283711955111589969984000
• The square root of 18238365013606440 is 135049490.9787017301
• The cube root of 18238365013606440 is 263225.9091765427

Scales and comparisons

• 18,238,365,013,606,440 seconds is equal to 579,923,592 years, 24 weeks, 1 day, 11 hours, 34 minutes.
• To count from 1 to 18,238,365,013,606,440 would take you about one billion, seven hundred thirty-nine million, seven hundred seventy thousand, seven hundred seventy-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 18238365013606440 cubic inches would be around 21935.5 feet tall.

Recreational maths with 18238365013606440

• 18238365013606440 backwards is 04460631056383281
• 18238365013606440 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18238365013606440's digits is 60
• More coming soon!