1987104633820121040

Names of 1987104633820121040

• Cardinal: 1987104633820121040 can be written as One quintillion, nine hundred eighty-seven quadrillion, one hundred four trillion, six hundred thirty-three billion, eight hundred twenty million, one hundred twenty-one thousand and forty.

Scientific notation

• Scientific notation: 1.98710463382012104 × 10¹⁸

Factors of 1987104633820121040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 109153341270

Divisors of 1987104633820121040

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 75853 151706 227559 303412 379265 455118 606824 758530 910236 1137795 1213648 1517060 1820472 2275590 3034120 3640944 4551180 6068240 9102360 18204720 109153265407 218306530814 327459796221 436613061628 545766327035 654919592442 873226123256 1091532654070 1309839184884 1637298981105 1746452246512 2183065308140 2619678369768 3274597962210 4366130616280 5239356739536 6549195924420 8732261232560 13098391848840 26196783697680 8279602640917171 16559205281834342 24838807922751513 33118410563668684 41398013204585855 49677615845503026 66236821127337368 82796026409171710 99355231691006052 124194039613757565 132473642254674736 165592052818343420 198710463382012104 248388079227515130 331184105636686840 397420926764024208 496776158455030260 662368211273373680 993552316910060520 1987104633820121040
• Sum of all divisors σ(n): 6160105574928273408
• Sum of proper divisors (its aliquot sum) s(n): 4173000941108152368
• 1987104633820121040 is an abundant number, because the sum of its proper divisors (4173000941108152368) is greater than itself. Its abundance is 2185896307288031328

Bases of 1987104633820121040

• Binary: 1101110010011100111010010001011100110011000011000011111010000₂
• Hexadecimal: 0x1B939D22E66187D0
• Base-36: F3HTSYJZ8QMO

Squares and roots of 1987104633820121040

• 1987104633820121040 squared (1987104633820121040²) is 3948584825749397326082155160250681600
• 1987104633820121040 cubed (1987104633820121040³) is 7846251204278442617437476771998703064234008454500864000
• The square root of 1987104633820121040 is 1409646989.0792237067
• The cube root of 1987104633820121040 is 1257207.3519402907

Scales and comparisons

• 1,987,104,633,820,121,040 seconds is equal to 63,183,780,837 years, 14 weeks, 3 days, 22 hours, 4 minutes.
• To count from 1 to 1,987,104,633,820,121,040 would take you about two hundred twenty-one billion, one hundred forty-three million, two hundred thirty-two thousand, nine hundred thirty 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 1987104633820121040 cubic inches would be around 104767.3 feet tall.

Recreational maths with 1987104633820121040

• 1987104633820121040 backwards is 0401210283364017891
• 1987104633820121040 is a Harshad number.
• The number of decimal digits it has is: 19
• The sum of 1987104633820121040's digits is 60
• More coming soon!