668315238240

Names of 668315238240

• Cardinal: 668315238240 can be written as Six hundred sixty-eight billion, three hundred fifteen million, two hundred thirty-eight thousand, two hundred forty.

Scientific notation

• Scientific notation: 6.6831523824 × 10¹¹

Factors of 668315238240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 233

Divisors of 668315238240

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 65 78 79 80 96 104 120 130 131 156 158 160 195 208 237 240 260 262 312 316 390 393 395 416 474 480 520 524 624 632 655 780 786 790 948 1027 1040 1048 1185 1248 1264 1310 1560 1572 1580 1703 1896 1965 2054 2080 2096 2370 2528 2620 3081 3120 3144 3160 3406 3792 3930 4108 4192 4740 5109 5135 5240 6162 6240 6241 6288 6320 6812 7584 7860 8216 8515 9480 10218 10270 10349 10480 12324 12482 12576 12640 13624 15405 15720 16432 17030 17161 18723 18960 20436 20540 20698 20960 24648 24964 25545 27248 30810 31047 31205 31440 32864 34060 34322 37446 37920 40872 41080 41396 49296 49928 51090 51483 51745 54496 61620 62094 62410 62880 68120 68644 74892 81133 81744 82160 82792 85805 93615 98592 99856 102180 102966 103490 123240 124188 124820 134537 136240 137288 149784 155235 162266 163488 164320 165584 171610 187230 199712 204360 205932 206980 223093 243399 246480 248376 249640 257415 269074 272480 274576 299568 310470 324532 331168 343220 374460 403611 405665 408720 411864 413960 446186 486798 492960 496752 499280 514830 538148 549152 599136 620940 649064 669279 672685 686440 748920 807222 811330 817440 817571 823728 827920 892372 973596 993504 998560 1029660 1076296 1115465 1216995 1241880 1298128 1338558 1345370 1355719 1372880 1497840 1614444 1622660 1635142 1647456 1655840 1784744 1947192 2018055 2059320 2152592 2230930 2433990 2452713 2483760 2596256 2677116 2690740 2711438 2745760 2995680 3228888 3245320 3270284 3346395 3569488 3894384 4036110 4067157 4087855 4118640 4305184 4461860 4867980 4905426 4967520 5354232 5381480 5422876 6457776 6490640 6540568 6692790 6778595 7138976 7788768 8072220 8134314 8175710 8237280 8923720 9735960 9810852 10628423 10708464 10762960 10845752 12263565 12915552 12981280 13081136 13385580 13557190 16144440 16268628 16351420 17624347 17847440 19471920 19621704 20335785 21256846 21416928 21525920 21691504 24527130 26162272 26771160 27114380 31885269 32288880 32537256 32702840 35248694 35694880 38943840 39243408 40671570 42513692 43383008 49054260 52873041 53142115 53542320 54228760 63770538 64577760 65074512 65405680 70497388 78486816 81343140 85027384 88121735 98108520 105746082 106284230 107084640 107101801 108457520 127541076 130149024 130811360 140994776 159426345 162686280 170054768 176243470 196217040 211492164 212568460 214203602 216915040 255082152 264365205 281989552 318852690 321305403 325372560 340109536 352486940 392434080 422984328 425136920 428407204 510164304 528730410 535509005 563979104 637705380 642610806 650745120 704973880 845968656 850273840 856814408 1020328608 1057460820 1071018010 1275410760 1285221612 1392323413 1409947760 1606527015 1691937312 1700547680 1713628816 2114921640 2142036020 2550821520 2570443224 2784646826 2819895520 3213054030 3427257632 4176970239 4229843280 4284072040 5101643040 5140886448 5569293652 6426108060 6961617065 8353940478 8459686560 8568144080 10281772896 11138587304 12852216120 13923234130 16707880956 17136288160 20884851195 22277174608 25704432240 27846468260 33415761912 41769702390 44554349216 51408864480 55692936520 66831523824 83539404780 111385873040 133663047648 167078809560 222771746080 334157619120 668315238240
• Sum of all divisors σ(n): 2313854033904
• Sum of proper divisors (its aliquot sum) s(n): 1645538795664
• 668315238240 is an abundant number, because the sum of its proper divisors (1645538795664) is greater than itself. Its abundance is 977223557424

Bases of 668315238240

• Binary: 1001101110011010101100010011111101100000₂
• Hexadecimal: 0x9B9AB13F60
• Base-36: 8J0PMY5C

Squares and roots of 668315238240

• 668315238240 squared (668315238240²) is 446645257663787958297600
• 668315238240 cubed (668315238240³) is 298499831784340635170503728820224000
• The square root of 668315238240 is 817505.4973760115
• The cube root of 668315238240 is 8742.9995195929

Scales and comparisons

• 668,315,238,240 seconds is equal to 21,250 years, 18 weeks, 4 days, 1 hour, 44 minutes.
• To count from 1 to 668,315,238,240 would take you about forty-two thousand, five hundred 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 668315238240 cubic inches would be around 728.6 feet tall.

Recreational maths with 668315238240

• 668315238240 backwards is 042832513866
• 668315238240 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 668315238240's digits is 48
• More coming soon!