668648734392429

Names of 668648734392429

• Cardinal: 668648734392429 can be written as Six hundred sixty-eight trillion, six hundred forty-eight billion, seven hundred thirty-four million, three hundred ninety-two thousand, four hundred twenty-nine.

Scientific notation

• Scientific notation: 6.68648734392429 × 10¹⁴

Factors of 668648734392429

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 12163

Divisors of 668648734392429

• Number of divisors d(n): 180
• Complete list of divisors:
  1 3 7 9 21 31 49 63 93 147 217 279 343 441 651 961 1029 1519 1953 2401 2883 3087 3931 4557 6727 7203 8191 8649 10633 11793 13671 20181 21609 24573 27517 31899 35379 47089 57337 60543 73719 74431 82551 95697 121861 141267 172011 192619 223293 247653 253921 329623 365583 401359 423801 516033 577857 669879 761763 853027 988869 1096749 1204077 1348333 1733571 1777447 2285289 2307361 2559081 2809513 2966607 3612231 3777691 4044999 5332341 5971189 6922083 7677243 7871551 8428539 9438331 11333073 12134997 12442129 15997023 17913567 19666591 20766249 23614653 25285617 26443837 28314993 32198821 33999219 37326387 41798323 53740701 55100857 58999773 70843959 79331511 84944979 87094903 96596463 111979161 125394969 165302571 176999319 185106859 225391747 237994533 261284709 289789389 292588261 376184907 385705999 495907713 555320577 609664321 676175241 783854127 877764783 998163451 1157117997 1295748013 1577742229 1665961731 1828992963 2028525723 2633294349 2699941993 2994490353 3471353991 3887244039 4733226687 5486978889 6987144157 8099825979 8983471059 9070236091 11044195603 11661732117 14199680061 18899593951 20961432471 24299477937 27210708273 30943066981 33132586809 48910009099 56698781853 62884297413 77309369221 81632124819 92829200943 99397760427 146730027297 170096345559 216601468867 231928107663 278487602829 342370063693 440190081891 649804406601 695784322989 1027110191079 1516210282069 1949413219803 2396590445851 3081330573237 4548630846207 7189771337553 10613471974483 13645892538621 21569314012659 31840415923449 74294303821381 95521247770347 222882911464143 668648734392429
• Sum of all divisors σ(n): 1164686824144896
• Sum of proper divisors (its aliquot sum) s(n): 496038089752467
• 668648734392429 is a deficient number, because the sum of its proper divisors (496038089752467) is less than itself. Its deficiency is 172610644639962

Bases of 668648734392429

• Binary: 10011000000010000111101010010010110000000001101101₂
• Hexadecimal: 0x26021EA4B006D
• Base-36: 6L0KZKGI99

Squares and roots of 668648734392429

• 668648734392429 squared (668648734392429²) is 447091130004597064223772520041
• 668648734392429 cubed (668648734392429³) is 298946918235654766229916209545675104361169589
• The square root of 668648734392429 is 25858243.0646869161
• The cube root of 668648734392429 is 87444.5355987747

Scales and comparisons

• 668,648,734,392,429 seconds is equal to 21,260,961 years, 25 weeks, 2 days, 9 hours, 27 minutes, 9 seconds.
• To count from 1 to 668,648,734,392,429 would take you about fifty-three million, one hundred fifty-two thousand, four hundred three 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 668648734392429 cubic inches would be around 7287 feet tall.

Recreational maths with 668648734392429

• 668648734392429 backwards is 924293437846866
• The number of decimal digits it has is: 15
• The sum of 668648734392429's digits is 81
• More coming soon!