42145958421

Names of 42145958421

• Cardinal: 42145958421 can be written as Forty-two billion, one hundred forty-five million, nine hundred fifty-eight thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 4.2145958421 × 10¹⁰

Factors of 42145958421

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 256

Divisors of 42145958421

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 27 63 109 137 189 327 411 763 959 981 1233 2289 2877 2943 3699 6867 8631 11881 14933 18769 20601 25893 35643 44799 56307 83167 104531 106929 131383 134397 168921 249501 313593 320787 394149 403191 506763 748503 940779 1182447 1627697 2045821 2245509 2822337 3547341 4883091 6137463 11393879 14320747 14649273 18412389 34181637 42962241 43947819 55237167 102544911 128886723 222994489 307634733 386660169 668983467 1560961423 2006950401 4682884269 6020851203 14048652807 42145958421
• Sum of all divisors σ(n): 72548427840
• Sum of proper divisors (its aliquot sum) s(n): 30402469419
• 42145958421 is a deficient number, because the sum of its proper divisors (30402469419) is less than itself. Its deficiency is 11743489002

Bases of 42145958421

• Binary: 100111010000000110000100101000010101₂
• Hexadecimal: 0x9D0184A15
• Base-36: JD0M5N9

Squares and roots of 42145958421

• 42145958421 squared (42145958421²) is 1776281811224660813241
• 42145958421 cubed (42145958421³) is 74863099359853125724683232252461
• The square root of 42145958421 is 205294.8085583267
• The cube root of 42145958421 is 3480.0486192673

Scales and comparisons

• 42,145,958,421 seconds is equal to 1,340 years, 5 weeks, 5 days, 10 hours, 40 minutes, 21 seconds.
• To count from 1 to 42,145,958,421 would take you about 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 42145958421 cubic inches would be around 290 feet tall.

Recreational maths with 42145958421

• 42145958421 backwards is 12485954124
• The number of decimal digits it has is: 11
• The sum of 42145958421's digits is 45
• More coming soon!