42838449291

Names of 42838449291

• Cardinal: 42838449291 can be written as Forty-two billion, eight hundred thirty-eight million, four hundred forty-nine thousand, two hundred ninety-one.

Scientific notation

• Scientific notation: 4.2838449291 × 10¹⁰

Factors of 42838449291

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 38498

Divisors of 42838449291

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 11 27 31 33 93 99 121 279 297 341 363 837 1023 1089 1331 3069 3267 3751 3993 9207 11253 11979 33759 35937 38453 41261 101277 115359 123783 346077 371349 422983 1038231 1114047 1192043 1268949 3576129 3806847 4652813 10728387 11420541 13112473 13958439 32185161 39337419 41875317 51180943 118012257 125625951 144237203 153542829 354036771 432711609 460628487 1298134827 1381885461 1586609233 3894404481 4759827699 14279483097 42838449291
• Sum of all divisors σ(n): 72059719680
• Sum of proper divisors (its aliquot sum) s(n): 29221270389
• 42838449291 is a deficient number, because the sum of its proper divisors (29221270389) is less than itself. Its deficiency is 13617178902

Bases of 42838449291

• Binary: 100111111001010111101101110010001011₂
• Hexadecimal: 0x9F95EDC8B
• Base-36: JOGWN0R

Squares and roots of 42838449291

• 42838449291 squared (42838449291²) is 1835132737657578402681
• 42838449291 cubed (42838449291³) is 78614240724398178525106796949171
• The square root of 42838449291 is 206974.5136266783
• The cube root of 42838449291 is 3499.0051401265

Scales and comparisons

• 42,838,449,291 seconds is equal to 1,362 years, 6 weeks, 5 days, 9 hours, 14 minutes, 51 seconds.
• To count from 1 to 42,838,449,291 would take you about two thousand, seven hundred twenty-four 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 42838449291 cubic inches would be around 291.6 feet tall.

Recreational maths with 42838449291

• 42838449291 backwards is 19294483824
• The number of decimal digits it has is: 11
• The sum of 42838449291's digits is 54
• More coming soon!