640734225412916224

Names of 640734225412916224

• Cardinal: 640734225412916224 can be written as Six hundred forty quadrillion, seven hundred thirty-four trillion, two hundred twenty-five billion, four hundred twelve million, nine hundred sixteen thousand, two hundred twenty-four.

Scientific notation

• Scientific notation: 6.40734225412916224 × 10¹⁷

Factors of 640734225412916224

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1804

Divisors of 640734225412916224

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 4 8 16 32 64 128 256 512 601 1024 1201 1202 2402 2404 4804 4808 9608 9616 19216 19232 38432 38464 76864 76928 153728 153856 307456 307712 361201 614912 615424 721801 722402 1229824 1442401 1443602 1444804 2884802 2887204 2889608 5769604 5774408 5779216 11539208 11548816 11558432 23078416 23097632 23116864 46156832 46195264 46233728 92313664 92390528 92467456 184627328 184781056 184934912 369254656 369562112 369869824 433802401 738509312 739124224 866883001 867604802 1477018624 1732323601 1733766002 1735209604 3464647202 3467532004 3470419208 6929294404 6935064008 6940838416 13858588808 13870128016 13881676832 27717177616 27740256032 27763353664 55434355232 55480512064 55526707328 110868710464 110961024128 111053414656 221737420928 221922048256 222106829312 443474841856 443844096512 444213658624 520996683601 886949683712 887688193024 1041126484201 1041993367202 1773899367424 2082252968402 2083986734404 4164505936804 4167973468808 8329011873608 8335946937616 16658023747216 16671893875232 33316047494432 33343787750464 66632094988864 66687575500928 133264189977728 133375151001856 266528379955456 266750302003712 533056759910912 533500604007424 625717017004801 1066113519821824 1251434034009602 2502868068019204 5005736136038408 10011472272076816 20022944544153632 40045889088307264 80091778176614528 160183556353229056 320367112706458112 640734225412916224
• Sum of all divisors σ(n): 1284046613675938164
• Sum of proper divisors (its aliquot sum) s(n): 643312388263021940
• 640734225412916224 is an abundant number, because the sum of its proper divisors (643312388263021940) is greater than itself. Its abundance is 2578162850105716

Bases of 640734225412916224

• Binary: 100011100100010110000110001000011101001011000000010000000000₂
• Hexadecimal: 0x8E458621D2C0400
• Base-36: 4V8XBRM7E5TS

Squares and roots of 640734225412916224

• 640734225412916224 squared (640734225412916224²) is 410540347615489738719632608042418176
• 640734225412916224 cubed (640734225412916224³) is 263047251630160185871011718221644868305420945062887424
• The square root of 640734225412916224 is 800458759.3454869703
• The cube root of 640734225412916224 is 862103.3002158585

Scales and comparisons

• 640,734,225,412,916,224 seconds is equal to 20,373,366,447 years, 2 weeks, 1 day, 13 hours, 37 minutes, 4 seconds.
• To count from 1 to 640,734,225,412,916,224 would take you about sixty-one billion, one hundred twenty million, ninety-nine thousand, three hundred forty-one 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 640734225412916224 cubic inches would be around 71841.9 feet tall.

Recreational maths with 640734225412916224

• 640734225412916224 backwards is 422619214522437046
• 640734225412916224 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 640734225412916224's digits is 64
• More coming soon!