664041395920

Names of 664041395920

• Cardinal: 664041395920 can be written as Six hundred sixty-four billion, forty-one million, three hundred ninety-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 6.6404139592 × 10¹¹

Factors of 664041395920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 579407

Divisors of 664041395920

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 23 28 35 40 46 56 70 80 89 92 112 115 140 161 178 184 230 280 322 356 368 445 460 560 623 644 712 805 890 920 1246 1288 1424 1610 1780 1840 2047 2492 2576 3115 3220 3560 4094 4984 6230 6440 7120 8188 9968 10235 12460 12880 14329 16376 20470 24920 28658 32752 40940 49840 57316 71645 81880 114632 143290 163760 229264 286580 573160 579281 1146320 1158562 2317124 2896405 4054967 4634248 5792810 8109934 9268496 11585620 13323463 16219868 20274835 23171240 26646926 32439736 40549670 46342480 51556009 53293852 64879472 66617315 81099340 93264241 103112018 106587704 133234630 162198680 186528482 206224036 213175408 257780045 266469260 324397360 360892063 373056964 412448072 466321205 515560090 532938520 721784126 746113928 824896144 932642410 1031120180 1065877040 1185788207 1443568252 1492227856 1804460315 1865284820 2062240360 2371576414 2887136504 3608920630 3730569640 4124480720 4743152828 5774273008 5928941035 7217841260 7461139280 8300517449 9486305656 11857882070 14435682520 16601034898 18972611312 23715764140 28871365040 33202069796 41502587245 47431528280 66404139592 83005174490 94863056560 132808279184 166010348980 332020697960 664041395920
• Sum of all divisors σ(n): 1861858690560
• Sum of proper divisors (its aliquot sum) s(n): 1197817294640
• 664041395920 is an abundant number, because the sum of its proper divisors (1197817294640) is greater than itself. Its abundance is 533775898720

Bases of 664041395920

• Binary: 1001101010011011111100111001011011010000₂
• Hexadecimal: 0x9A9BF396D0
• Base-36: 8H213OB4

Squares and roots of 664041395920

• 664041395920 squared (664041395920²) is 440950975495382192646400
• 664041395920 cubed (664041395920³) is 292809701300239304718825814962688000
• The square root of 664041395920 is 814887.3516750643
• The cube root of 664041395920 is 8724.3226362593

Scales and comparisons

• 664,041,395,920 seconds is equal to 21,114 years, 24 weeks, 7 hours, 18 minutes, 40 seconds.
• To count from 1 to 664,041,395,920 would take you about forty-two thousand, two hundred twenty-eight 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 664041395920 cubic inches would be around 727 feet tall.

Recreational maths with 664041395920

• 664041395920 backwards is 029593140466
• The number of decimal digits it has is: 12
• The sum of 664041395920's digits is 49
• More coming soon!