640389041000

Names of 640389041000

• Cardinal: 640389041000 can be written as Six hundred forty billion, three hundred eighty-nine million, forty-one thousand.

Scientific notation

• Scientific notation: 6.40389041 × 10¹¹

Factors of 640389041000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2151

Divisors of 640389041000

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 20 25 31 40 50 61 62 100 122 124 125 155 181 200 244 248 250 305 310 362 488 500 610 620 724 775 905 1000 1220 1240 1448 1525 1550 1810 1871 1891 2440 3050 3100 3620 3742 3782 3875 4525 5611 6100 6200 7240 7484 7564 7625 7750 9050 9355 9455 11041 11222 12200 14968 15128 15250 15500 18100 18710 18910 22082 22444 22625 28055 30500 31000 36200 37420 37820 44164 44888 45250 46775 47275 55205 56110 58001 61000 74840 75640 88328 90500 93550 94550 110410 112220 114131 116002 140275 181000 187100 189100 220820 224440 228262 232004 233875 236375 276025 280550 290005 338651 342271 374200 378200 441640 456524 464008 467750 472750 552050 561100 570655 580010 677302 684542 701375 913048 935500 945500 1104100 1122200 1141310 1160020 1354604 1369084 1380125 1402750 1450025 1693255 1711355 1871000 1891000 2208200 2282620 2320040 2709208 2738168 2760250 2805500 2853275 2900050 3386510 3422710 3538061 4565240 5520500 5611000 5706550 5800100 6773020 6845420 7076122 7250125 8466275 8556775 10498181 11041000 11413100 11600200 13546040 13690840 14152244 14266375 14500250 16932550 17113550 17690305 20657711 20996362 22826200 28304488 28532750 29000500 33865100 34227100 35380610 41315422 41992724 42331375 42783875 52490905 57065500 58001000 67730200 68454200 70761220 82630844 83985448 84662750 85567750 88451525 103288555 104981810 114131000 141522440 165261688 169325500 171135500 176903050 206577110 209963620 262454525 338651000 342271000 353806100 413154220 419927240 442257625 516442775 524909050 640389041 707612200 826308440 884515250 1032885550 1049818100 1280778082 1312272625 1769030500 2065771100 2099636200 2561556164 2582213875 2624545250 3201945205 3538061000 4131542200 5123112328 5164427750 5249090500 6403890410 10328855500 10498181000 12807780820 16009726025 20657711000 25615561640 32019452050 64038904100 80048630125 128077808200 160097260250 320194520500 640389041000
• Sum of all divisors σ(n): 1581738762240
• Sum of proper divisors (its aliquot sum) s(n): 941349721240
• 640389041000 is an abundant number, because the sum of its proper divisors (941349721240) is greater than itself. Its abundance is 300960680240

Bases of 640389041000

• Binary: 1001010100011010001010010100101101101000₂
• Hexadecimal: 0x951A294B68
• Base-36: 866V3MG8

Squares and roots of 640389041000

• 640389041000 squared (640389041000²) is 410098123832899681000000
• 640389041000 cubed (640389041000³) is 262622344237249870964795921000000000
• The square root of 640389041000 is 800243.1136848353
• The cube root of 640389041000 is 8619.4845802323

Scales and comparisons

• 640,389,041,000 seconds is equal to 20,362 years, 20 weeks, 2 days, 4 hours, 43 minutes, 20 seconds.
• To count from 1 to 640,389,041,000 would take you about forty thousand, seven hundred twenty-four 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 640389041000 cubic inches would be around 718.3 feet tall.

Recreational maths with 640389041000

• 640389041000 backwards is 000140983046
• The number of decimal digits it has is: 12
• The sum of 640389041000's digits is 35
• More coming soon!