49991458638

Names of 49991458638

• Cardinal: 49991458638 can be written as Forty-nine billion, nine hundred ninety-one million, four hundred fifty-eight thousand, six hundred thirty-eight.

Scientific notation

• Scientific notation: 4.9991458638 × 10¹⁰

Factors of 49991458638

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8414

Divisors of 49991458638

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 11 19 22 31 33 38 57 62 66 93 114 157 186 209 314 341 418 471 589 627 682 942 1023 1178 1254 1727 1767 2046 2983 3454 3534 4867 5181 5966 6479 8191 8949 9734 10362 12958 14601 16382 17898 19437 24573 29202 32813 38874 49146 53537 65626 90101 92473 98439 107074 155629 160611 180202 184946 196878 253921 270303 277419 311258 321222 466887 507842 540606 554838 761763 933774 1017203 1285987 1523526 1711919 2034406 2571974 2793131 3051609 3423838 3857961 4824499 5135757 5586262 6103218 7715922 8379393 9648998 10271514 14145857 14473497 16758786 24433753 28291714 28946994 39865597 42437571 48867506 53069489 73301259 79731194 84875142 106138978 119596791 146602518 159208467 239193582 268771283 318416934 438521567 537542566 757446343 806313849 877043134 1315564701 1514892686 1612627698 2272339029 2631129402 4544678058 8331909773 16663819546 24995729319 49991458638
• Sum of all divisors σ(n): 119286005760
• Sum of proper divisors (its aliquot sum) s(n): 69294547122
• 49991458638 is an abundant number, because the sum of its proper divisors (69294547122) is greater than itself. Its abundance is 19303088484

Bases of 49991458638

• Binary: 101110100011101110010001111101001110₂
• Hexadecimal: 0xBA3B91F4E
• Base-36: MYRMGCU

Squares and roots of 49991458638

• 49991458638 squared (49991458638²) is 2499145936754864815044
• 49991458638 cubed (49991458638³) is 124935950727606588346553646150072
• The square root of 49991458638 is 223587.6978681967
• The cube root of 49991458638 is 3683.8217090495

Scales and comparisons

• 49,991,458,638 seconds is equal to 1,589 years, 29 weeks, 5 days, 20 hours, 17 minutes, 18 seconds.
• To count from 1 to 49,991,458,638 would take you about three thousand, one hundred seventy-nine 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 49991458638 cubic inches would be around 307 feet tall.

Recreational maths with 49991458638

• 49991458638 backwards is 83685419994
• 49991458638 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 49991458638's digits is 66
• More coming soon!