6138948879

Names of 6138948879

• Cardinal: 6138948879 can be written as Six billion, one hundred thirty-eight million, nine hundred forty-eight thousand, eight hundred seventy-nine.

Scientific notation

• Scientific notation: 6.138948879 × 10⁹

Factors of 6138948879

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 143

Divisors of 6138948879

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 21 27 31 43 49 59 63 93 129 147 177 189 217 279 301 387 413 441 531 651 837 903 1161 1239 1323 1333 1519 1593 1829 1953 2107 2537 2709 2891 3481 3717 3999 4557 5487 5859 6321 7611 8127 8673 9331 10443 11151 11997 12803 13671 16461 17759 18963 22833 24367 26019 27993 31329 35991 38409 41013 49383 53277 56889 65317 68499 73101 78057 78647 83979 89621 93987 107911 115227 124313 149683 159831 170569 195951 219303 235941 251937 268863 323733 345681 372939 449049 479493 511707 550529 587853 657909 707823 755377 806589 971199 1047781 1118817 1347147 1535121 1651587 1763559 2123469 2266131 2419767 2913597 3143343 3356451 3853703 4041441 4605363 4640173 4954761 5287639 6798393 7334467 9430029 11561109 13920519 14864283 15862917 20395179 22003401 28290087 32481211 34683327 41761557 47588751 66010203 97443633 104049981 125284671 142766253 198030609 227368477 292330899 682105431 876992697 2046316293 6138948879
• Sum of all divisors σ(n): 11367459840
• Sum of proper divisors (its aliquot sum) s(n): 5228510961
• 6138948879 is a deficient number, because the sum of its proper divisors (5228510961) is less than itself. Its deficiency is 910437918

Bases of 6138948879

• Binary: 101101101111010001110110100001111₂
• Hexadecimal: 0x16DE8ED0F
• Base-36: 2TIYZ9R

Squares and roots of 6138948879

• 6138948879 squared (6138948879²) is 37686693338975356641
• 6138948879 cubed (6138948879³) is 231356683826519532659892155439
• The square root of 6138948879 is 78351.4446516463
• The cube root of 6138948879 is 1831.0407329289

Scales and comparisons

• 6,138,948,879 seconds is equal to 195 years, 10 weeks, 2 days, 15 hours, 34 minutes, 39 seconds.
• To count from 1 to 6,138,948,879 would take you about three hundred ninety 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 6138948879 cubic inches would be around 152.6 feet tall.

Recreational maths with 6138948879

• 6138948879 backwards is 9788498316
• 6138948879 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6138948879's digits is 63
• More coming soon!