49797990

Names of 49797990

• Cardinal: 49797990 can be written as Forty-nine million, seven hundred ninety-seven thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 4.979799 × 10⁷

Factors of 49797990

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 44

Divisors of 49797990

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 23 27 30 33 45 46 54 55 66 69 81 90 99 110 115 135 138 162 165 198 207 230 243 253 270 297 330 345 405 414 486 495 506 594 621 690 729 759 810 891 990 1035 1215 1242 1265 1458 1485 1518 1782 1863 2070 2187 2277 2430 2530 2673 2970 3105 3645 3726 3795 4374 4455 4554 5346 5589 6210 6561 6831 7290 7590 8019 8910 9315 10935 11178 11385 13122 13365 13662 16038 16767 18630 19683 20493 21870 22770 24057 26730 27945 32805 33534 34155 39366 40095 40986 48114 50301 55890 61479 65610 68310 72171 80190 83835 98415 100602 102465 120285 122958 144342 150903 167670 184437 196830 204930 216513 240570 251505 301806 307395 360855 368874 433026 452709 503010 553311 614790 721710 754515 905418 922185 1082565 1106622 1509030 1659933 1844370 2165130 2263545 2766555 3319866 4527090 4979799 5533110 8299665 9959598 16599330 24898995 49797990
• Sum of all divisors σ(n): 153052416
• Sum of proper divisors (its aliquot sum) s(n): 103254426
• 49797990 is an abundant number, because the sum of its proper divisors (103254426) is greater than itself. Its abundance is 53456436

Bases of 49797990

• Binary: 10111101111101101101100110₂
• Hexadecimal: 0x2F7DB66
• Base-36: TNCDI

Squares and roots of 49797990

• 49797990 squared (49797990²) is 2479839808040100
• 49797990 cubed (49797990³) is 123491037962382819399000
• The square root of 49797990 is 7056.7690907383
• The cube root of 49797990 is 367.9063393889

Scales and comparisons

• 49,797,990 seconds is equal to 1 year, 30 weeks, 2 days, 8 hours, 46 minutes, 30 seconds.
• To count from 1 to 49,797,990 would take you about two 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 49797990 cubic inches would be around 30.7 feet tall.

Recreational maths with 49797990

• 49797990 backwards is 09979794
• 49797990 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 49797990's digits is 54
• More coming soon!