40789980

Names of 40789980

• Cardinal: 40789980 can be written as Forty million, seven hundred eighty-nine thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 4.078998 × 10⁷

Factors of 40789980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 137

Divisors of 40789980

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 27 28 30 33 35 36 42 44 45 54 55 60 63 66 70 77 81 84 90 99 105 108 109 110 126 132 135 140 154 162 165 180 189 198 210 218 220 231 243 252 270 297 308 315 324 327 330 378 385 396 405 420 436 462 486 495 540 545 567 594 630 654 660 693 756 763 770 810 891 924 945 972 981 990 1090 1134 1155 1188 1199 1215 1260 1308 1386 1485 1526 1540 1620 1635 1701 1782 1890 1962 1980 2079 2180 2268 2289 2310 2398 2430 2673 2772 2835 2943 2970 3052 3270 3402 3465 3564 3597 3780 3815 3924 4158 4455 4578 4620 4796 4860 4905 5346 5670 5886 5940 5995 6237 6540 6804 6867 6930 7194 7630 8316 8393 8505 8829 8910 9156 9810 10395 10692 10791 11340 11445 11772 11990 12474 13365 13734 13860 14388 14715 15260 16786 17010 17658 17820 17985 18711 19620 20601 20790 21582 22890 23980 24948 25179 26487 26730 27468 29430 31185 32373 33572 34020 34335 35316 35970 37422 41202 41580 41965 43164 44145 45780 50358 52974 53460 53955 58860 61803 62370 64746 68670 71940 74844 75537 82404 83930 88290 93555 97119 100716 103005 105948 107910 123606 124740 125895 129492 132435 137340 151074 161865 167860 176580 185409 187110 194238 206010 215820 226611 247212 251790 264870 291357 302148 309015 323730 370818 374220 377685 388476 412020 453222 485595 503580 529740 582714 618030 647460 679833 741636 755370 906444 927045 971190 1133055 1165428 1236060 1359666 1456785 1510740 1854090 1942380 2039499 2266110 2719332 2913570 3399165 3708180 4078998 4532220 5827140 6798330 8157996 10197495 13596660 20394990 40789980
• Sum of all divisors σ(n): 161441280
• Sum of proper divisors (its aliquot sum) s(n): 120651300
• 40789980 is an abundant number, because the sum of its proper divisors (120651300) is greater than itself. Its abundance is 79861320

Bases of 40789980

• Binary: 10011011100110011111011100₂
• Hexadecimal: 0x26E67DC
• Base-36: OA9R0

Squares and roots of 40789980

• 40789980 squared (40789980²) is 1663822468400400
• 40789980 cubed (40789980³) is 67867285209602947992000
• The square root of 40789980 is 6386.7033749815
• The cube root of 40789980 is 344.2319397591

Scales and comparisons

• 40,789,980 seconds is equal to 1 year, 15 weeks, 3 days, 2 hours, 33 minutes.
• To count from 1 to 40,789,980 would take you about forty-nine weeks!

  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 40789980 cubic inches would be around 28.7 feet tall.

Recreational maths with 40789980

• 40789980 backwards is 08998704
• 40789980 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40789980's digits is 45
• More coming soon!