1978678396422

Names of 1978678396422

• Cardinal: 1978678396422 can be written as One trillion, nine hundred seventy-eight billion, six hundred seventy-eight million, three hundred ninety-six thousand, four hundred twenty-two.

Scientific notation

• Scientific notation: 1.978678396422 × 10¹²

Factors of 1978678396422

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 296715

Divisors of 1978678396422

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 182 234 273 546 819 1638 4129 8258 12387 24774 28903 37161 53677 57806 74322 86709 107354 161031 173418 260127 292561 322062 375739 483093 520254 585122 751478 877683 966186 1127217 1755366 2047927 2254434 2633049 3381651 3803293 4095854 5266098 6143781 6763302 7606586 11409879 12287562 18431343 22819758 26623051 34229637 36862686 53246102 68459274 79869153 159738306 239607459 479214918 1207984369 2415968738 3623953107 7247906214 8455890583 10871859321 15703796797 16911781166 21743718642 25367671749 31407593594 47111390391 50735343498 76103015247 94222780782 109926577579 141334171173 152206030494 219853155158 282668342346 329779732737 659559465474 989339198211 1978678396422
• Sum of all divisors σ(n): 5277771670080
• Sum of proper divisors (its aliquot sum) s(n): 3299093273658
• 1978678396422 is an abundant number, because the sum of its proper divisors (3299093273658) is greater than itself. Its abundance is 1320414877236

Bases of 1978678396422

• Binary: 11100110010110010011011000100011000000110₂
• Hexadecimal: 0x1CCB26C4606
• Base-36: P8ZQ11XI

Squares and roots of 1978678396422

• 1978678396422 squared (1978678396422²) is 3915168196467137382402084
• 1978678396422 cubed (1978678396422³) is 7746858728708009241432126171550943448
• The square root of 1978678396422 is 1406655.0381746051
• The cube root of 1978678396422 is 12554.2778841345

Scales and comparisons

• 1,978,678,396,422 seconds is equal to 62,915 years, 44 weeks, 2 days, 7 hours, 53 minutes, 42 seconds.
• To count from 1 to 1,978,678,396,422 would take you about one hundred fifty-seven thousand, two hundred eighty-nine 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 1978678396422 cubic inches would be around 1046.2 feet tall.

Recreational maths with 1978678396422

• 1978678396422 backwards is 2246938768791
• The number of decimal digits it has is: 13
• The sum of 1978678396422's digits is 72
• More coming soon!