6645429700187400816

Names of 6645429700187400816

• Cardinal: 6645429700187400816 can be written as Six quintillion, six hundred forty-five quadrillion, four hundred twenty-nine trillion, seven hundred billion, one hundred eighty-seven million, four hundred thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 6.645429700187400816 × 10¹⁸

Factors of 6645429700187400816

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 580161577

Divisors of 6645429700187400816

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 48 149 298 447 596 727 894 1192 1454 1788 2181 2203 2384 2908 3576 4362 4406 5816 6609 7152 8724 8812 11632 13218 17448 17624 26436 34896 35248 52872 105744 108323 216646 324969 328247 433292 649938 656494 866584 984741 1299876 1312988 1601581 1733168 1969482 2599752 2625976 3203162 3938964 4804743 5199504 5251952 6406324 7877928 9609486 12812648 15755856 19218972 25625296 38437944 76875888 238635569 477271138 580158493 715906707 954542276 1160316986 1431813414 1740475479 1909084552 2320633972 2863626828 3480950958 3818169104 4641267944 5727253656 6961901916 9282535888 11454507312 13923803832 27847607664 86443615457 172887230914 259330846371 345774461828 421775224411 518661692742 691548923656 843550448822 1037323385484 1265325673233 1278089160079 1383097847312 1687100897644 2074646770968 2530651346466 2556178320158 3374201795288 3834267480237 4149293541936 5061302692932 5112356640316 6748403590576 7668534960474 10122605385864 10224713280632 15337069920948 20245210771728 20449426561264 30674139841896 61348279683792 62844508437239 125689016874478 188533525311717 190435284851771 251378033748956 377067050623434 380870569703542 502756067497912 571305854555313 754134101246868 761741139407084 929170819377433 1005512134995824 1142611709110626 1508268202493736 1523482278814168 1858341638754866 2285223418221252 2787512458132299 3016536404987472 3046964557628336 3716683277509732 4570446836442504 5575024916264598 7433366555019464 9140893672885008 11150049832529196 14866733110038928 22300099665058392 44600199330116784 138446452087237517 276892904174475034 415339356261712551 553785808348950068 830678712523425102 1107571616697900136 1661357425046850204 2215143233395800272 3322714850093700408 6645429700187400816
• Sum of all divisors σ(n): 17314205538763660800
• Sum of proper divisors (its aliquot sum) s(n): 10668775838576259984
• 6645429700187400816 is an abundant number, because the sum of its proper divisors (10668775838576259984) is greater than itself. Its abundance is 4023346138388859168

Bases of 6645429700187400816

• Binary: 101110000111001010011110001101001110011100000000010101001110000₂
• Hexadecimal: 0x5C394F1A73802A70
• Base-36: 1EHLK82XPBHIO

Squares and roots of 6645429700187400816

• 6645429700187400816 squared (6645429700187400816²) is 44161735900132807896936389465837465856
• 6645429700187400816 cubed (6645429700187400816³) is 293473711362574740886357004275300554258190068424786538496
• The square root of 6645429700187400816 is 2577873096.2146683639
• The cube root of 6645429700187400816 is 1880071.4568610163

Scales and comparisons

• 6,645,429,700,187,400,816 seconds is equal to 211,304,108,802 years, 13 weeks, 1 day, 20 hours, 13 minutes, 36 seconds.
• To count from 1 to 6,645,429,700,187,400,816 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 6645429700187400816 cubic inches would be around 156672.6 feet tall.

Recreational maths with 6645429700187400816

• 6645429700187400816 backwards is 6180047810079245466
• The number of decimal digits it has is: 19
• The sum of 6645429700187400816's digits is 78
• More coming soon!