18958385152

Names of 18958385152

• Cardinal: 18958385152 can be written as Eighteen billion, nine hundred fifty-eight million, three hundred eighty-five thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 1.8958385152 × 10¹⁰

Factors of 18958385152

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 20672

Divisors of 18958385152

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 512 896 1024 1792 2048 3584 4096 7168 8192 14336 16384 20663 28672 32768 41326 57344 65536 82652 114688 131072 144641 165304 229376 289282 330608 458752 578564 661216 917504 1157128 1322432 2314256 2644864 4628512 5289728 9257024 10579456 18514048 21158912 37028096 42317824 74056192 84635648 148112384 169271296 296224768 338542592 592449536 677085184 1184899072 1354170368 2369798144 2708340736 4739596288 9479192576 18958385152
• Sum of all divisors σ(n): 43335383616
• Sum of proper divisors (its aliquot sum) s(n): 24376998464
• 18958385152 is an abundant number, because the sum of its proper divisors (24376998464) is greater than itself. Its abundance is 5418613312

Bases of 18958385152

• Binary: 10001101010000000100000000000000000₂
• Hexadecimal: 0x46A020000
• Base-36: 8PJBZLS

Squares and roots of 18958385152

• 18958385152 squared (18958385152²) is 359420367571574063104
• 18958385152 cubed (18958385152³) is 6814029759895312015219184631808
• The square root of 18958385152 is 137689.4518545265
• The cube root of 18958385152 is 2666.4520645079

Scales and comparisons

• 18,958,385,152 seconds is equal to 602 years, 42 weeks, 3 days, 18 hours, 5 minutes, 52 seconds.
• To count from 1 to 18,958,385,152 would take you about one thousand, two 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 18958385152 cubic inches would be around 222.2 feet tall.

Recreational maths with 18958385152

• 18958385152 backwards is 25158385981
• The number of decimal digits it has is: 11
• The sum of 18958385152's digits is 55
• More coming soon!