643007428140

Names of 643007428140

• Cardinal: 643007428140 can be written as Six hundred forty-three billion, seven million, four hundred twenty-eight thousand, one hundred forty.

Scientific notation

• Scientific notation: 6.4300742814 × 10¹¹

Factors of 643007428140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 139179125

Divisors of 643007428140

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 42 44 55 60 66 70 77 84 105 110 132 140 154 165 210 220 231 308 330 385 420 462 660 770 924 1155 1540 2310 4620 139179097 278358194 417537291 556716388 695895485 835074582 974253679 1391790970 1530970067 1670149164 1948507358 2087686455 2783581940 2922761037 3061940134 3897014716 4175372910 4592910201 4871268395 5845522074 6123880268 7654850335 8350745820 9185820402 9742536790 10716790469 11691044148 14613805185 15309700670 18371640804 19485073580 21433580938 22964551005 29227610370 30619401340 32150371407 42867161876 45929102010 53583952345 58455220740 64300742814 91858204020 107167904690 128601485628 160751857035 214335809380 321503714070 643007428140
• Sum of all divisors σ(n): 2244680492544
• Sum of proper divisors (its aliquot sum) s(n): 1601673064404
• 643007428140 is an abundant number, because the sum of its proper divisors (1601673064404) is greater than itself. Its abundance is 958665636264

Bases of 643007428140

• Binary: 1001010110110110001110101011011000101100₂
• Hexadecimal: 0x95B63AB62C
• Base-36: 87E60QWC

Squares and roots of 643007428140

• 643007428140 squared (643007428140²) is 413458552643217263859600
• 643007428140 cubed (643007428140³) is 265856920577601931849609166049144000
• The square root of 643007428140 is 801877.4396003419
• The cube root of 643007428140 is 8631.2162287519

Scales and comparisons

• 643,007,428,140 seconds is equal to 20,445 years, 33 weeks, 4 days, 14 hours, 29 minutes.
• To count from 1 to 643,007,428,140 would take you about forty thousand, eight hundred ninety-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 643007428140 cubic inches would be around 719.3 feet tall.

Recreational maths with 643007428140

• 643007428140 backwards is 041824700346
• The number of decimal digits it has is: 12
• The sum of 643007428140's digits is 39
• More coming soon!