642186053340

Names of 642186053340

• Cardinal: 642186053340 can be written as Six hundred forty-two billion, one hundred eighty-six million, fifty-three thousand, three hundred forty.

Scientific notation

• Scientific notation: 6.4218605334 × 10¹¹

Factors of 642186053340

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 16827

Divisors of 642186053340

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 26 30 31 37 39 43 52 60 62 65 74 78 86 93 111 124 129 130 148 155 156 172 185 186 195 215 222 258 260 310 370 372 390 403 430 444 465 481 516 555 559 620 645 740 780 806 860 930 962 1110 1118 1147 1209 1290 1333 1443 1591 1612 1677 1860 1924 2015 2220 2236 2294 2405 2418 2580 2666 2795 2886 3182 3354 3441 3999 4030 4588 4773 4810 4836 5332 5590 5735 5772 6045 6364 6665 6708 6882 7215 7955 7998 8060 8385 9546 9620 11180 11470 12090 13330 13764 14430 14911 15910 15996 16693 16770 17205 17329 19092 19995 20683 22940 23865 24180 26660 28860 29822 31820 33386 33540 34410 34658 39990 41366 44733 47730 49321 50079 51987 59644 62049 66772 68820 69316 74555 79980 82732 83465 86645 89466 95460 98642 100158 103415 103974 124098 147963 149110 166930 173290 178932 197284 200316 206830 207948 217009 223665 246605 248196 250395 259935 295926 298220 310245 333860 346580 413660 434018 447330 493210 500790 517483 519870 591852 617641 620490 641173 651027 717799 739815 868036 894660 986420 1001580 1034966 1039740 1085045 1235282 1240980 1282346 1302054 1435598 1479630 1552449 1852923 1923519 2069932 2153397 2170090 2470564 2564692 2587415 2604108 2871196 2959260 3088205 3104898 3205865 3255135 3588995 3705846 3847038 4306794 4340180 5174830 6176410 6209796 6411730 6510270 6727279 7177990 7411692 7694076 7762245 8029333 8613588 9264615 9331387 9617595 10349660 10766985 12352820 12823460 13020540 13454558 14355980 15524490 16058666 18529230 18662774 19146871 19235190 20181837 21533970 22251769 24087999 26558563 26909116 27994161 31048980 32117332 33636395 37058460 37325548 38293742 38470380 40146665 40363674 43067940 44503538 46656935 48175998 53117126 55988322 57440613 66755307 67272790 76587484 79675689 80293330 80727348 89007076 93313870 95734355 96351996 100909185 106234252 111258845 111976644 114881226 120439995 132792815 133510614 134545580 139970805 159351378 160586660 186627740 191468710 201818370 222517690 229762452 240879990 248909323 265585630 267021228 279941610 287203065 289272997 318702756 333776535 345261319 382937420 398378445 403636740 445035380 481759980 497818646 531171260 559883220 574406130 578545994 667553070 690522638 746727969 796756890 823315453 867818991 995637292 1035783957 1148812260 1157091988 1244546615 1335106140 1381045276 1446364985 1493455938 1593513780 1646630906 1726306595 1735637982 2071567914 2469946359 2489093230 2892729970 2986911876 3293261812 3452613190 3471275964 3733639845 4116577265 4143135828 4339094955 4939892718 4978186460 5178919785 5785459940 6905226380 7467279690 8233154530 8678189910 9879785436 10357839570 10703100889 12349731795 14934559380 16466309060 17356379820 20715679140 21406201778 24699463590 32109302667 42812403556 49398927180 53515504445 64218605334 107031008890 128437210668 160546513335 214062017780 321093026670 642186053340
• Sum of all divisors σ(n): 2100796465152
• Sum of proper divisors (its aliquot sum) s(n): 1458610411812
• 642186053340 is an abundant number, because the sum of its proper divisors (1458610411812) is greater than itself. Its abundance is 816424358472

Bases of 642186053340

• Binary: 1001010110000101010001011000011011011100₂
• Hexadecimal: 0x95854586DC
• Base-36: 870KZU1O

Squares and roots of 642186053340

• 642186053340 squared (642186053340²) is 412402927104405325155600
• 642186053340 cubed (642186053340³) is 264839408143041769889354185399704000
• The square root of 642186053340 is 801365.1186194719
• The cube root of 642186053340 is 8627.5395038181

Scales and comparisons

• 642,186,053,340 seconds is equal to 20,419 years, 27 weeks, 3 days, 22 hours, 49 minutes.
• To count from 1 to 642,186,053,340 would take you about forty thousand, eight hundred thirty-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 642186053340 cubic inches would be around 719 feet tall.

Recreational maths with 642186053340

• 642186053340 backwards is 043350681246
• The number of decimal digits it has is: 12
• The sum of 642186053340's digits is 42
• More coming soon!