66725621040

Names of 66725621040

• Cardinal: 66725621040 can be written as Sixty-six billion, seven hundred twenty-five million, six hundred twenty-one thousand and forty.

Scientific notation

• Scientific notation: 6.672562104 × 10¹⁰

Factors of 66725621040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 414

Divisors of 66725621040

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 61 65 78 80 104 120 122 130 149 156 169 181 183 195 208 240 244 260 298 305 312 338 362 366 390 447 488 507 520 543 596 610 624 676 724 732 745 780 793 845 894 905 915 976 1014 1040 1086 1192 1220 1352 1448 1464 1490 1560 1586 1690 1788 1810 1830 1937 2028 2172 2235 2353 2379 2384 2440 2535 2704 2715 2896 2928 2980 3120 3172 3380 3576 3620 3660 3874 3965 4056 4344 4470 4706 4758 4880 5070 5430 5811 5960 6344 6760 7059 7152 7240 7320 7748 7930 8112 8688 8940 9089 9412 9516 9685 10140 10309 10860 11041 11622 11765 11895 11920 12688 13520 14118 14480 14640 15496 15860 17880 18178 18824 19032 19370 20280 20618 21720 22082 23244 23530 23790 25181 26969 27267 28236 29055 30589 30927 30992 31720 33123 35295 35760 36356 37648 38064 38740 40560 41236 43440 44164 45445 46488 47060 47580 50362 51545 53938 54534 55205 56472 58110 61178 61854 63440 66246 70590 72712 75543 77480 80907 82472 88328 90890 91767 92976 94120 95160 100724 103090 107876 109068 110410 112944 116220 118157 122356 123708 125905 132492 134845 136335 141180 143533 145424 151086 152945 154635 154960 161814 164944 165615 176656 181780 183534 188240 190320 201448 206180 215752 218136 220820 232440 236314 244712 247416 251810 264984 269690 272670 282360 287066 302172 305890 309270 323628 331230 350597 354471 363560 367068 377715 402896 404535 412360 430599 431504 436272 441640 458835 464880 472628 489424 494832 503620 529968 539380 545340 564720 574132 590785 604344 611780 618540 647256 662460 701194 708942 717665 727120 734136 755430 809070 824720 861198 883280 917670 945256 1007240 1051791 1078760 1090680 1148264 1181570 1208688 1223560 1237080 1294512 1324920 1402388 1417884 1435330 1468272 1510860 1536041 1618140 1645109 1722396 1752985 1772355 1835340 1865929 1890512 2014480 2103582 2152995 2157520 2181360 2296528 2363140 2447120 2474160 2649840 2804776 2835768 2870660 3021720 3072082 3236280 3290218 3444792 3505970 3544710 3670680 3731858 4207164 4305990 4557761 4608123 4726280 4935327 5258955 5597787 5609552 5671536 5741320 6043440 6144164 6472560 6580436 6889584 7011940 7089420 7341360 7463716 7680205 8225545 8414328 8611980 9115522 9216246 9329645 9452560 9870654 10517910 11195574 11482640 12288328 13160872 13673283 14023880 14178840 14927432 15360410 16451090 16828656 17223960 18231044 18432492 18659290 19741308 21035820 21386417 22391148 22788805 23040615 24576656 24676635 26321744 27346566 27988935 28047760 28357680 29854864 30720820 32902180 34447920 36462088 36864984 37318580 39482616 42071640 42772834 44782296 45577610 46081230 49353270 54693132 55977870 61441640 64159251 65804360 68366415 72924176 73729968 74637160 78965232 84143280 85545668 89564592 91155220 92162460 98706540 106932085 109386264 111955740 122883280 128318502 131608720 136732830 149274320 171091336 182310440 184324920 197413080 213864170 218772528 223911480 256637004 273465660 278023421 320796255 342182672 364620880 368649840 394826160 427728340 447822960 513274008 546931320 556046842 641592510 834070263 855456680 1026548016 1093862640 1112093684 1283185020 1390117105 1668140526 1710913360 2224187368 2566370040 2780234210 3336281052 4170351315 4448374736 5132740080 5560468420 6672562104 8340702630 11120936840 13345124208 16681405260 22241873680 33362810520 66725621040
• Sum of all divisors σ(n): 230450875200
• Sum of proper divisors (its aliquot sum) s(n): 163725254160
• 66725621040 is an abundant number, because the sum of its proper divisors (163725254160) is greater than itself. Its abundance is 96999633120

Bases of 66725621040

• Binary: 111110001001001010000010110100110000₂
• Hexadecimal: 0xF89282D30
• Base-36: UNIPMPC

Squares and roots of 66725621040

• 66725621040 squared (66725621040²) is 4452308503173690681600
• 66725621040 cubed (66725621040³) is 297083049935937321718620900864000
• The square root of 66725621040 is 258313.0291719719
• The cube root of 66725621040 is 4055.9962195889

Scales and comparisons

• 66,725,621,040 seconds is equal to 2,121 years, 34 weeks, 5 days, 6 hours, 44 minutes.
• To count from 1 to 66,725,621,040 would take you about four thousand, two hundred forty-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 66725621040 cubic inches would be around 338 feet tall.

Recreational maths with 66725621040

• 66725621040 backwards is 04012652766
• 66725621040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 66725621040's digits is 39
• More coming soon!