18343859040

Names of 18343859040

• Cardinal: 18343859040 can be written as Eighteen billion, three hundred forty-three million, eight hundred fifty-nine thousand and forty.

Scientific notation

• Scientific notation: 1.834385904 × 10¹⁰

Factors of 18343859040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 979930

Divisors of 18343859040

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 65 72 78 80 90 96 104 117 120 130 144 156 160 180 195 208 234 240 260 288 312 360 390 416 468 480 520 585 624 720 780 936 1040 1170 1248 1440 1560 1872 2080 2340 3120 3744 4680 6240 9360 18720 979907 1959814 2939721 3919628 4899535 5879442 7839256 8819163 9799070 11758884 12738791 14698605 15678512 17638326 19598140 23517768 25477582 29397210 31357024 35276652 38216373 39196280 44095815 47035536 50955164 58794420 63693955 70553304 76432746 78392560 88191630 94071072 101910328 114649119 117588840 127387910 141106608 152865492 156785120 176383260 191081865 203820656 229298238 235177680 254775820 282213216 305730984 352766520 382163730 407641312 458596476 470355360 509551640 573245595 611461968 705533040 764327460 917192952 1019103280 1146491190 1222923936 1411066080 1528654920 1834385904 2038206560 2292982380 3057309840 3668771808 4585964760 6114619680 9171929520 18343859040
• Sum of all divisors σ(n): 67413750768
• Sum of proper divisors (its aliquot sum) s(n): 49069891728
• 18343859040 is an abundant number, because the sum of its proper divisors (49069891728) is greater than itself. Its abundance is 30726032688

Bases of 18343859040

• Binary: 10001000101011000010001001101100000₂
• Hexadecimal: 0x445611360
• Base-36: 8FDGK80

Squares and roots of 18343859040

• 18343859040 squared (18343859040²) is 336497164479389721600
• 18343859040 cubed (18343859040³) is 6172656552569620038255243264000
• The square root of 18343859040 is 135439.5032477599
• The cube root of 18343859040 is 2637.3244932817

Scales and comparisons

• 18,343,859,040 seconds is equal to 583 years, 14 weeks, 3 days, 4 hours, 24 minutes.
• To count from 1 to 18,343,859,040 would take you about one thousand, one hundred sixty-six 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 18343859040 cubic inches would be around 219.8 feet tall.

Recreational maths with 18343859040

• 18343859040 backwards is 04095834381
• 18343859040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18343859040's digits is 45
• More coming soon!