642794494380272

Names of 642794494380272

• Cardinal: 642794494380272 can be written as Six hundred forty-two trillion, seven hundred ninety-four billion, four hundred ninety-four million, three hundred eighty thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 6.42794494380272 × 10¹⁴

Factors of 642794494380272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 207484

Divisors of 642794494380272

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 13 16 26 52 104 208 1619 3238 6476 9733 12952 19466 21047 25904 38932 42094 77864 84188 126529 155728 168376 196117 253058 336752 392234 506116 784468 1012232 1568936 2024464 2549521 3137872 5099042 10198084 15757727 20396168 31515454 40792336 63030908 126061816 204850451 252123632 317513423 409700902 635026846 819401804 1270053692 1638803608 1908806761 2540107384 3277607216 3817613522 4127674499 5080214768 7635227044 8255348998 15270454088 16510697996 24814487893 30540908176 33021395992 49628975786 66042791984 99257951572 198515903144 397031806288 3090358146059 6180716292118 12361432584236 24722865168472 40174655898767 49445730336944 80349311797534 160698623595068 321397247190136 642794494380272
• Sum of all divisors σ(n): 1342188587244960
• Sum of proper divisors (its aliquot sum) s(n): 699394092864688
• 642794494380272 is an abundant number, because the sum of its proper divisors (699394092864688) is greater than itself. Its abundance is 56599598484416

Bases of 642794494380272

• Binary: 10010010001001111001000001100000000100100011110000₂
• Hexadecimal: 0x2489E418048F0
• Base-36: 6BUNPPHPM8

Squares and roots of 642794494380272

• 642794494380272 squared (642794494380272²) is 413184762005589531789342793984
• 642794494380272 cubed (642794494380272³) is 265592890179015944075617058284088487049883648
• The square root of 642794494380272 is 25353392.1671296681
• The cube root of 642794494380272 is 86302.6337286857

Scales and comparisons

• 642,794,494,380,272 seconds is equal to 20,438,876 years, 32 weeks, 4 days, 8 hours, 44 minutes, 32 seconds.
• To count from 1 to 642,794,494,380,272 would take you about fifty-one million, ninety-seven thousand, one hundred ninety-one 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 642794494380272 cubic inches would be around 7191.9 feet tall.

Recreational maths with 642794494380272

• 642794494380272 backwards is 272083494497246
• The number of decimal digits it has is: 15
• The sum of 642794494380272's digits is 71
• More coming soon!