400456980

Names of 400456980

• Cardinal: 400456980 can be written as Four hundred million, four hundred fifty-six thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 4.0045698 × 10⁸

Factors of 400456980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9659

Divisors of 400456980

• Number of divisors d(n): 192
• 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 84 90 99 105 108 110 126 132 135 140 154 165 180 189 198 210 220 231 252 270 297 308 315 330 378 385 396 420 462 495 540 594 630 660 693 756 770 924 945 990 1155 1188 1260 1386 1485 1540 1890 1980 2079 2310 2772 2970 3465 3780 4158 4620 5940 6930 8316 9631 10395 13860 19262 20790 28893 38524 41580 48155 57786 67417 86679 96310 105941 115572 134834 144465 173358 192620 202251 211882 260037 269668 288930 317823 337085 346716 404502 423764 433395 520074 529705 577860 606753 635646 674170 741587 809004 866790 953469 1011255 1040148 1059410 1213506 1271292 1300185 1348340 1483174 1589115 1733580 1820259 1906938 2022510 2118820 2224761 2427012 2600370 2860407 2966348 3033765 3178230 3640518 3707935 3813876 4045020 4449522 4767345 5200740 5720814 6067530 6356460 6674283 7281036 7415870 8899044 9101295 9534690 11123805 11441628 12135060 13348566 14302035 14831740 18202590 19069380 20022849 22247610 26697132 28604070 33371415 36405180 40045698 44495220 57208140 66742830 80091396 100114245 133485660 200228490 400456980
• Sum of all divisors σ(n): 1553448960
• Sum of proper divisors (its aliquot sum) s(n): 1152991980
• 400456980 is an abundant number, because the sum of its proper divisors (1152991980) is greater than itself. Its abundance is 752535000

Bases of 400456980

• Binary: 10111110111100111110100010100₂
• Hexadecimal: 0x17DE7D14
• Base-36: 6MF6L0

Squares and roots of 400456980

• 400456980 squared (400456980²) is 160365792830720400
• 400456980 cubed (400456980³) is 64219601092295942608392000
• The square root of 400456980 is 20011.4212388827
• The cube root of 400456980 is 737.0867810625

Scales and comparisons

• 400,456,980 seconds is equal to 12 years, 38 weeks, 22 hours, 3 minutes.
• To count from 1 to 400,456,980 would take you about nineteen 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 400456980 cubic inches would be around 61.4 feet tall.

Recreational maths with 400456980

• 400456980 backwards is 089654004
• 400456980 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 400456980's digits is 36
• More coming soon!