642234555381840

Names of 642234555381840

• Cardinal: 642234555381840 can be written as Six hundred forty-two trillion, two hundred thirty-four billion, five hundred fifty-five million, three hundred eighty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.4223455538184 × 10¹⁴

Factors of 642234555381840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2675977314101

Divisors of 642234555381840

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 2675977314091 5351954628182 8027931942273 10703909256364 13379886570455 16055863884546 21407818512728 26759773140910 32111727769092 40139659711365 42815637025456 53519546281820 64223455538184 80279319422730 107039092563640 128446911076368 160558638845460 214078185127280 321117277690920 642234555381840
• Sum of all divisors σ(n): 1990927121684448
• Sum of proper divisors (its aliquot sum) s(n): 1348692566302608
• 642234555381840 is an abundant number, because the sum of its proper divisors (1348692566302608) is greater than itself. Its abundance is 706458010920768

Bases of 642234555381840

• Binary: 10010010000001101111100010100010010011100001010000₂
• Hexadecimal: 0x2481BE2893850
• Base-36: 6BNIHC9PAO

Squares and roots of 642234555381840

• 642234555381840 squared (642234555381840²) is 412465224126509710108201785600
• 642234555381840 cubed (642234555381840³) is 264899419827359948554986443332737177813504000
• The square root of 642234555381840 is 25342347.0772112977
• The cube root of 642234555381840 is 86277.5670086755

Scales and comparisons

• 642,234,555,381,840 seconds is equal to 20,421,072 years, 15 weeks, 3 days, 22 hours, 4 minutes.
• To count from 1 to 642,234,555,381,840 would take you about fifty-one million, fifty-two thousand, six hundred eighty 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 642234555381840 cubic inches would be around 7189.8 feet tall.

Recreational maths with 642234555381840

• 642234555381840 backwards is 048183555432246
• 642234555381840 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 642234555381840's digits is 60
• More coming soon!