64348769940

Names of 64348769940

• Cardinal: 64348769940 can be written as Sixty-four billion, three hundred forty-eight million, seven hundred sixty-nine thousand, nine hundred forty.

Scientific notation

• Scientific notation: 6.434876994 × 10¹⁰

Factors of 64348769940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3463

Divisors of 64348769940

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 52 60 65 70 78 84 91 105 130 140 156 182 195 210 260 273 364 390 420 455 546 780 910 1092 1365 1820 2730 3433 5460 6866 10299 13732 17165 20598 24031 34330 41196 44629 48062 51495 68660 72093 89258 96124 102990 120155 133887 144186 178516 205980 223145 240310 267774 288372 312403 360465 446290 480620 535548 624806 669435 720930 892580 937209 1249612 1338870 1441860 1562015 1874418 2677740 3124030 3748836 4686045 6248060 9372090 11785489 18744180 23570978 35356467 47141956 58927445 70712934 82498423 117854890 141425868 153211357 164996846 176782335 235709780 247495269 306422714 329993692 353564670 412492115 459634071 494990538 612845428 707129340 766056785 824984230 919268142 989981076 1072479499 1237476345 1532113570 1649968460 1838536284 2144958998 2298170355 2474952690 3064227140 3217438497 4289917996 4596340710 4949905380 5362397495 6434876994 9192681420 10724794990 12869753988 16087192485 21449589980 32174384970 64348769940
• Sum of all divisors σ(n): 221820375168
• Sum of proper divisors (its aliquot sum) s(n): 157471605228
• 64348769940 is an abundant number, because the sum of its proper divisors (157471605228) is greater than itself. Its abundance is 93122835288

Bases of 64348769940

• Binary: 111011111011011111000100111010010100₂
• Hexadecimal: 0xEFB7C4E94
• Base-36: TK7LGNO

Squares and roots of 64348769940

• 64348769940 squared (64348769940²) is 4140764192791047603600
• 64348769940 cubed (64348769940³) is 266453082417700928735644715784000
• The square root of 64348769940 is 253670.5933686441
• The cube root of 64348769940 is 4007.2528813959

Scales and comparisons

• 64,348,769,940 seconds is equal to 2,046 years, 4 weeks, 5 days, 10 hours, 19 minutes.
• To count from 1 to 64,348,769,940 would take you about four thousand and ninety-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 64348769940 cubic inches would be around 333.9 feet tall.

Recreational maths with 64348769940

• 64348769940 backwards is 04996784346
• 64348769940 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64348769940's digits is 60
• More coming soon!