664139210320

Names of 664139210320

• Cardinal: 664139210320 can be written as Six hundred sixty-four billion, one hundred thirty-nine million, two hundred ten thousand, three hundred twenty.

Scientific notation

• Scientific notation: 6.6413921032 × 10¹¹

Factors of 664139210320

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2304

Divisors of 664139210320

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 23 29 38 40 46 58 76 80 92 95 115 116 145 152 184 190 230 232 290 304 349 368 380 437 460 464 551 580 667 698 760 874 920 1102 1160 1334 1396 1520 1745 1748 1840 1877 2185 2204 2320 2668 2755 2792 3335 3490 3496 3754 4370 4408 5336 5510 5584 6631 6670 6980 6992 7508 8027 8740 8816 9385 10121 10672 11020 12673 13262 13340 13960 15016 16054 17480 18770 20242 22040 25346 26524 26680 27920 30032 32108 33155 34960 35663 37540 40135 40484 43171 44080 50605 50692 53048 53360 54433 63365 64216 66310 71326 75080 80270 80968 86342 101210 101384 106096 108866 126730 128432 132620 142652 150160 152513 160540 161936 172684 178315 192299 202420 202768 215855 217732 232783 253460 265240 272165 285304 305026 321080 345368 356630 384598 404840 431710 435464 465566 506920 530480 544330 570608 610052 642160 655073 690736 713260 762565 769196 809680 820249 863420 870928 931132 961495 1013840 1034227 1088660 1163915 1220104 1251959 1310146 1426520 1525130 1538392 1640498 1726840 1862264 1922990 2068454 2177320 2327830 2440208 2503918 2620292 2853040 3050260 3076784 3275365 3280996 3453680 3724528 3845980 4101245 4136908 4354640 4422877 4655660 5007836 5171135 5240584 6100520 6259795 6550730 6561992 7691960 8202490 8273816 8845754 9311320 10015672 10342270 10481168 12201040 12446387 12519590 13101460 13123984 15066679 15383920 16404980 16547632 17691508 18622640 18997117 20031344 20684540 22114385 23787221 24892774 25039180 26202920 30133358 32809960 35383016 37994234 41369080 44228770 47574442 49785548 50078360 52405840 60266716 62231935 65619920 70766032 75333395 75988468 82738160 88457540 94985585 95148884 99571096 100156720 118936105 120533432 124463870 150666790 151976936 176915080 189971170 190297768 199142192 237872210 241066864 248927740 286266901 301333580 303953872 353830160 360945223 379942340 380595536 436933691 475744420 497855480 572533802 602667160 721890446 759884680 873867382 951488840 995710960 1145067604 1205334320 1431334505 1443780892 1519769360 1747734764 1804726115 1902977680 2184668455 2290135208 2862669010 2887561784 3495469528 3609452230 4369336910 4580270416 5725338020 5775123568 6990939056 7218904460 8301740129 8738673820 11450676040 14437808920 16603480258 17477347640 22901352080 28875617840 33206960516 34954695280 41508700645 66413921032 83017401290 132827842064 166034802580 332069605160 664139210320
• Sum of all divisors σ(n): 1760512320000
• Sum of proper divisors (its aliquot sum) s(n): 1096373109680
• 664139210320 is an abundant number, because the sum of its proper divisors (1096373109680) is greater than itself. Its abundance is 432233899360

Bases of 664139210320

• Binary: 1001101010100001110010000001111001010000₂
• Hexadecimal: 0x9AA1C81E50
• Base-36: 8H3NC6DS

Squares and roots of 664139210320

• 664139210320 squared (664139210320²) is 441080890684473194502400
• 664139210320 cubed (664139210320³) is 292939114426428271682031701344768000
• The square root of 664139210320 is 814947.3665949231
• The cube root of 664139210320 is 8724.7509842971

Scales and comparisons

• 664,139,210,320 seconds is equal to 21,117 years, 29 weeks, 5 days, 9 hours, 58 minutes, 40 seconds.
• To count from 1 to 664,139,210,320 would take you about forty-two thousand, two hundred thirty-five 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 664139210320 cubic inches would be around 727.1 feet tall.

Recreational maths with 664139210320

• 664139210320 backwards is 023012931466
• The number of decimal digits it has is: 12
• The sum of 664139210320's digits is 37
• More coming soon!