640106080629408

Names of 640106080629408

• Cardinal: 640106080629408 can be written as Six hundred forty trillion, one hundred six billion, eighty million, six hundred twenty-nine thousand, four hundred eight.

Scientific notation

• Scientific notation: 6.40106080629408 × 10¹⁴

Factors of 640106080629408

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 125603

Divisors of 640106080629408

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 47 48 54 72 94 96 108 141 144 188 216 282 288 376 423 432 564 752 846 864 1128 1269 1504 1692 2256 2538 3384 4512 5076 6768 10152 13536 20304 40608 125551 251102 376653 502204 753306 1004408 1129959 1506612 2008816 2259918 3013224 3389877 4017632 4519836 5900897 6026448 6779754 9039672 11801794 12052896 13559508 17702691 18079344 23603588 27119016 35405382 36158688 47207176 53108073 54238032 70810764 94414352 106216146 108476064 141621528 159324219 188828704 212432292 283243056 318648438 424864584 566486112 637296876 849729168 1274593752 1699458336 2549187504 5098375008 15763053601 31526107202 47289160803 63052214404 94578321606 126104428808 141867482409 189156643212 252208857616 283734964818 378313286424 425602447227 504417715232 567469929636 740863519247 756626572848 851204894454 1134939859272 1481727038494 1513253145696 1702409788908 2222590557741 2269879718544 2963454076988 3404819577816 4445181115482 4539759437088 5926908153976 6667771673223 6809639155632 8890362230964 11853816307952 13335543346446 13619278311264 17780724461928 20003315019669 23707632615904 26671086692892 35561448923856 40006630039338 53342173385784 71122897847712 80013260078676 106684346771568 160026520157352 213368693543136 320053040314704 640106080629408
• Sum of all divisors σ(n): 1906714150346880
• Sum of proper divisors (its aliquot sum) s(n): 1266608069717472
• 640106080629408 is an abundant number, because the sum of its proper divisors (1266608069717472) is greater than itself. Its abundance is 626501989088064

Bases of 640106080629408

• Binary: 10010001100010110001001111100011011111001010100000₂
• Hexadecimal: 0x2462C4F8DF2A0
• Base-36: 6AWCO9CVC0

Squares and roots of 640106080629408

• 640106080629408 squared (640106080629408²) is 409735794458742175597434430464
• 640106080629408 cubed (640106080629408³) is 262274373484562162671033406599773631129485312
• The square root of 640106080629408 is 25300317.7970042107
• The cube root of 640106080629408 is 86182.1486671499

Scales and comparisons

• 640,106,080,629,408 seconds is equal to 20,353,393 years, 20 weeks, 11 hours, 16 minutes, 48 seconds.
• To count from 1 to 640,106,080,629,408 would take you about fifty million, eight hundred eighty-three thousand, four hundred eighty-three 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 640106080629408 cubic inches would be around 7181.8 feet tall.

Recreational maths with 640106080629408

• 640106080629408 backwards is 804926080601046
• 640106080629408 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 640106080629408's digits is 54
• More coming soon!