18211118976

Names of 18211118976

• Cardinal: 18211118976 can be written as Eighteen billion, two hundred eleven million, one hundred eighteen thousand, nine hundred seventy-six.

Scientific notation

• Scientific notation: 1.8211118976 × 10¹⁰

Factors of 18211118976

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 63575

Divisors of 18211118976

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 83 96 108 128 144 166 192 216 249 288 332 384 432 498 576 664 747 864 996 1152 1328 1494 1728 1992 2241 2656 2988 3456 3984 4482 5312 5976 7968 8964 10624 11952 15936 17928 23904 31872 35856 47808 63487 71712 95616 126974 143424 190461 253948 286848 380922 507896 571383 761844 1015792 1142766 1523688 1714149 2031584 2285532 3047376 3428298 4063168 4571064 5269421 6094752 6856596 8126336 9142128 10538842 12189504 13713192 15808263 18284256 21077684 24379008 27426384 31616526 36568512 42155368 47424789 54852768 63233052 73137024 84310736 94849578 109705536 126466104 142274367 168621472 189699156 219411072 252932208 284548734 337242944 379398312 505864416 569097468 674485888 758796624 1011728832 1138194936 1517593248 2023457664 2276389872 3035186496 4552779744 6070372992 9105559488 18211118976
• Sum of all divisors σ(n): 54396518400
• Sum of proper divisors (its aliquot sum) s(n): 36185399424
• 18211118976 is an abundant number, because the sum of its proper divisors (36185399424) is greater than itself. Its abundance is 17974280448

Bases of 18211118976

• Binary: 10000111101011101111001111110000000₂
• Hexadecimal: 0x43D779F80
• Base-36: 8D6FHC0

Squares and roots of 18211118976

• 18211118976 squared (18211118976²) is 331644854358027288576
• 18211118976 cubed (18211118976³) is 6039623900492227052912221618176
• The square root of 18211118976 is 134948.5790069685
• The cube root of 18211118976 is 2630.9476735365

Scales and comparisons

• 18,211,118,976 seconds is equal to 579 years, 2 weeks, 6 days, 20 hours, 9 minutes, 36 seconds.
• To count from 1 to 18,211,118,976 would take you about one thousand, one hundred fifty-eight 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 18211118976 cubic inches would be around 219.2 feet tall.

Recreational maths with 18211118976

• 18211118976 backwards is 67981111281
• The number of decimal digits it has is: 11
• The sum of 18211118976's digits is 45
• More coming soon!