18128192200

Names of 18128192200

• Cardinal: 18128192200 can be written as Eighteen billion, one hundred twenty-eight million, one hundred ninety-two thousand, two hundred.

Scientific notation

• Scientific notation: 1.81281922 × 10¹⁰

Factors of 18128192200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 313

Divisors of 18128192200

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 20 25 40 50 73 100 146 200 233 292 365 466 584 730 932 1165 1460 1825 1864 2330 2920 3650 4660 5329 5825 7300 9320 10658 11650 14600 17009 21316 23300 26645 34018 42632 46600 53290 68036 85045 106580 133225 136072 170090 213160 266450 340180 389017 425225 532900 680360 778034 850450 1065800 1241657 1556068 1700900 1945085 2483314 3112136 3401800 3890170 4966628 6208285 7780340 9725425 9933256 12416570 15560680 19450850 24833140 31041425 38901700 49666280 62082850 77803400 90640961 124165700 181281922 248331400 362563844 453204805 725127688 906409610 1812819220 2266024025 3625638440 4532048050 9064096100 18128192200
• Sum of all divisors σ(n): 42916840200
• Sum of proper divisors (its aliquot sum) s(n): 24788648000
• 18128192200 is an abundant number, because the sum of its proper divisors (24788648000) is greater than itself. Its abundance is 6660455800

Bases of 18128192200

• Binary: 10000111000100001100100001011001000₂
• Hexadecimal: 0x4388642C8
• Base-36: 8BT22MG

Squares and roots of 18128192200

• 18128192200 squared (18128192200²) is 328631352440140840000
• 18128192200 cubed (18128192200³) is 5957492319980812142589448000000
• The square root of 18128192200 is 134640.9751895759
• The cube root of 18128192200 is 2626.9481387179

Scales and comparisons

• 18,128,192,200 seconds is equal to 576 years, 21 weeks, 6 days, 56 minutes, 40 seconds.
• To count from 1 to 18,128,192,200 would take you about one thousand, one hundred fifty-two 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 18128192200 cubic inches would be around 218.9 feet tall.

Recreational maths with 18128192200

• 18128192200 backwards is 00229182181
• The number of decimal digits it has is: 11
• The sum of 18128192200's digits is 34
• More coming soon!