1388794197689939080

Names of 1388794197689939080

• Cardinal: 1388794197689939080 can be written as One quintillion, three hundred eighty-eight quadrillion, seven hundred ninety-four trillion, one hundred ninety-seven billion, six hundred eighty-nine million, nine hundred thirty-nine thousand and eighty.

Scientific notation

• Scientific notation: 1.38879419768993908 × 10¹⁸

Factors of 1388794197689939080

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 41284013011033

Divisors of 1388794197689939080

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 841 1160 1682 3364 4205 6728 8410 16820 33640 41284013010997 82568026021994 165136052043988 206420065054985 330272104087976 412840130109970 825680260219940 1197236377318913 1651360520439880 2394472754637826 4788945509275652 5986181886594565 9577891018551304 11972363773189130 23944727546378260 34719854942248477 47889455092756520 69439709884496954 138879419768993908 173599274711242385 277758839537987816 347198549422484770 694397098844969540 1388794197689939080
• Sum of all divisors σ(n): 3236253779932133220
• Sum of proper divisors (its aliquot sum) s(n): 1847459582242194140
• 1388794197689939080 is an abundant number, because the sum of its proper divisors (1847459582242194140) is greater than itself. Its abundance is 458665384552255060

Bases of 1388794197689939080

• Binary: 1001101000101111111001111011011110011011011101011010010001000₂
• Hexadecimal: 0x1345FCF6F36EB488
• Base-36: AJUMGEOL0CJS

Squares and roots of 1388794197689939080

• 1388794197689939080 squared (1388794197689939080²) is 1928749323537241590651053454111246400
• 1388794197689939080 cubed (1388794197689939080³) is 2678635869326916168315139297798029213917476358869312000
• The square root of 1388794197689939080 is 1178471127.2194745969
• The cube root of 1388794197689939080 is 1115696.2271305645

Scales and comparisons

• 1,388,794,197,689,939,080 seconds is equal to 44,159,359,664 years, 1 week, 4 days, 15 hours, 4 minutes, 40 seconds.
• To count from 1 to 1,388,794,197,689,939,080 would take you about one hundred fifty-four billion, five hundred fifty-seven million, seven hundred fifty-eight thousand, eight hundred twenty-four 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 1388794197689939080 cubic inches would be around 92974.7 feet tall.

Recreational maths with 1388794197689939080

• 1388794197689939080 backwards is 0809399867914978831
• The number of decimal digits it has is: 19
• The sum of 1388794197689939080's digits is 109
• More coming soon!