664645893120

Names of 664645893120

• Cardinal: 664645893120 can be written as Six hundred sixty-four billion, six hundred forty-five million, eight hundred ninety-three thousand, one hundred twenty.

Scientific notation

• Scientific notation: 6.6464589312 × 10¹¹

Factors of 664645893120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 437104

Divisors of 664645893120

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 64 66 72 80 88 90 96 99 108 110 120 128 132 135 144 160 165 176 180 192 198 216 220 240 256 264 270 288 297 320 330 352 360 384 396 432 440 480 495 512 528 540 576 594 640 660 704 720 768 792 864 880 960 990 1024 1056 1080 1152 1188 1280 1320 1408 1440 1485 1536 1584 1728 1760 1920 1980 2112 2160 2304 2376 2560 2640 2816 2880 2970 3072 3168 3456 3520 3840 3960 4224 4320 4608 4752 5120 5280 5632 5760 5940 6336 6912 7040 7680 7920 8448 8640 9216 9504 10560 11264 11520 11880 12672 13824 14080 15360 15840 16896 17280 19008 21120 23040 23760 25344 27648 28160 31680 33792 34560 38016 42240 46080 47520 50688 56320 63360 69120 76032 84480 95040 101376 126720 138240 152064 168960 190080 253440 304128 380160 437083 506880 760320 874166 1311249 1520640 1748332 2185415 2622498 3496664 3933747 4370830 4807913 5244996 6556245 6993328 7867494 8741660 9615826 10489992 11801241 13112490 13986656 14423739 15734988 17483320 19231652 19668735 20979984 23602482 24039565 26224980 27973312 28847478 31469976 34966640 38463304 39337470 41959968 43271217 47204964 48079130 52449960 55946624 57694956 59006205 62939952 69933280 72118695 76926608 78674940 83919936 86542434 94409928 96158260 104899920 111893248 115389912 118012410 125879904 129813651 139866560 144237390 153853216 157349880 167839872 173084868 188819856 192316520 209799840 216356085 223786496 230779824 236024820 251759808 259627302 279733120 288474780 307706432 314699760 335679744 346169736 377639712 384633040 419599680 432712170 447572992 461559648 472049640 503519616 519254604 559466240 576949560 615412864 629399520 649068255 671359488 692339472 755279424 769266080 839199360 865424340 923119296 944099280 1007039232 1038509208 1118932480 1153899120 1230825728 1258799040 1298136510 1342718976 1384678944 1510558848 1538532160 1678398720 1730848680 1846238592 1888198560 2014078464 2077018416 2237864960 2307798240 2461651456 2517598080 2596273020 2769357888 3021117696 3077064320 3356797440 3461697360 3692477184 3776397120 4028156928 4154036832 4615596480 4923302912 5035196160 5192546040 5538715776 6042235392 6154128640 6713594880 6923394720 7384954368 7552794240 8308073664 9231192960 10070392320 10385092080 11077431552 12084470784 12308257280 13846789440 14769908736 15105588480 16616147328 18462385920 20140784640 20770184160 22154863104 24616514560 27693578880 30211176960 33232294656 36924771840 41540368320 44309726208 55387157760 60422353920 66464589312 73849543680 83080736640 110774315520 132929178624 166161473280 221548631040 332322946560 664645893120
• Sum of all divisors σ(n): 2576767530240
• Sum of proper divisors (its aliquot sum) s(n): 1912121637120
• 664645893120 is an abundant number, because the sum of its proper divisors (1912121637120) is greater than itself. Its abundance is 1247475744000

Bases of 664645893120

• Binary: 1001101010111111111110110111110000000000₂
• Hexadecimal: 0x9ABFFB7C00
• Base-36: 8HC105C0

Squares and roots of 664645893120

• 664645893120 squared (664645893120²) is 441754163241282463334400
• 664645893120 cubed (664645893120³) is 293610090366980456897085941219328000
• The square root of 664645893120 is 815258.1757455733
• The cube root of 664645893120 is 8726.9691726237

Scales and comparisons

• 664,645,893,120 seconds is equal to 21,133 years, 35 weeks, 3 days, 19 hours, 12 minutes.
• To count from 1 to 664,645,893,120 would take you about forty-two thousand, two hundred sixty-seven 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 664645893120 cubic inches would be around 727.2 feet tall.

Recreational maths with 664645893120

• 664645893120 backwards is 021398546466
• 664645893120 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 664645893120's digits is 54
• More coming soon!