642830243040

Names of 642830243040

• Cardinal: 642830243040 can be written as Six hundred forty-two billion, eight hundred thirty million, two hundred forty-three thousand and forty.

Scientific notation

• Scientific notation: 6.4283024304 × 10¹¹

Factors of 642830243040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 99910

Divisors of 642830243040

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 81 90 96 108 120 135 144 160 162 180 216 240 270 288 324 360 405 432 480 499 540 648 720 810 864 998 1080 1296 1440 1497 1620 1996 2160 2495 2592 2994 3240 3992 4320 4491 4990 5988 6480 7485 7984 8982 9980 11976 12960 13473 14970 15968 17964 19960 22455 23952 26946 29940 35928 39920 40419 44910 47904 53892 59880 67365 71856 79840 80838 89820 99401 107784 119760 134730 143712 161676 179640 198802 202095 215568 239520 269460 298203 323352 359280 397604 404190 431136 497005 538920 596406 646704 718560 795208 808380 894609 994010 1077840 1192812 1293408 1491015 1590416 1616760 1789218 1988020 2155680 2385624 2683827 2982030 3180832 3233520 3578436 3976040 4473045 4771248 5367654 5964060 6467040 7156872 7952080 8051481 8946090 9542496 10735308 11928120 13419135 14313744 15904160 16102962 17892180 21470616 23856240 26838270 28627488 32205924 35784360 40257405 42941232 47712480 49601099 53676540 64411848 71568720 80514810 85882464 99202198 107353080 128823696 143137440 148803297 161029620 198404396 214706160 248005495 257647392 297606594 322059240 396808792 429412320 446409891 496010990 595213188 644118480 744016485 793617584 892819782 992021980 1190426376 1288236960 1339229673 1488032970 1587235168 1785639564 1984043960 2232049455 2380852752 2678459346 2976065940 3571279128 3968087920 4017689019 4464098910 4761705504 5356918692 5952131880 6696148365 7142558256 7936175840 8035378038 8928197820 10713837384 11904263760 13392296730 14285116512 16070756076 17856395640 20088445095 21427674768 23808527520 26784593460 32141512152 35712791280 40176890190 42855349536 53569186920 64283024304 71425582560 80353780380 107138373840 128566048608 160707560760 214276747680 321415121520 642830243040
• Sum of all divisors σ(n): 2273224338000
• Sum of proper divisors (its aliquot sum) s(n): 1630394094960
• 642830243040 is an abundant number, because the sum of its proper divisors (1630394094960) is greater than itself. Its abundance is 987563851920

Bases of 642830243040

• Binary: 1001010110101011101010110001010011100000₂
• Hexadecimal: 0x95ABAB14E0
• Base-36: 87B8J200

Squares and roots of 642830243040

• 642830243040 squared (642830243040²) is 413230721366865468441600
• 642830243040 cubed (642830243040³) is 265637205047856650081297178046464000
• The square root of 642830243040 is 801766.9505785329
• The cube root of 642830243040 is 8630.4233590083

Scales and comparisons

• 642,830,243,040 seconds is equal to 20,440 years, 4 days, 20 hours, 24 minutes.
• To count from 1 to 642,830,243,040 would take you about forty thousand, eight hundred eighty 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 642830243040 cubic inches would be around 719.2 feet tall.

Recreational maths with 642830243040

• 642830243040 backwards is 040342038246
• 642830243040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642830243040's digits is 36
• More coming soon!