400628246490

Names of 400628246490

• Cardinal: 400628246490 can be written as Four hundred billion, six hundred twenty-eight million, two hundred forty-six thousand, four hundred ninety.

Scientific notation

• Scientific notation: 4.0062824649 × 10¹¹

Factors of 400628246490

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 634

Divisors of 400628246490

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 30 45 90 137 274 411 487 685 822 974 1233 1370 1461 2055 2435 2466 2922 4110 4383 4870 6165 7305 8766 12330 14610 18769 21915 37538 43830 56307 66719 93845 112614 133438 168921 187690 200157 237169 281535 333595 337842 400314 474338 563070 600471 667190 711507 844605 1000785 1185845 1200942 1423014 1689210 2001570 2134521 2371690 3002355 3557535 4269042 6004710 7115070 9140503 10672605 18281006 21345210 27421509 32492153 45702515 54843018 64984306 82264527 91405030 97476459 137107545 162460765 164529054 194952918 274215090 292429377 324921530 411322635 487382295 584858754 822645270 974764590 1462146885 2924293770 4451424961 8902849922 13354274883 22257124805 26708549766 40062824649 44514249610 66771374415 80125649298 133542748830 200314123245 400628246490
• Sum of all divisors σ(n): 1051451130366
• Sum of proper divisors (its aliquot sum) s(n): 650822883876
• 400628246490 is an abundant number, because the sum of its proper divisors (650822883876) is greater than itself. Its abundance is 250194637386

Bases of 400628246490

• Binary: 101110101000111010011011110011111011010₂
• Hexadecimal: 0x5D474DE7DA
• Base-36: 541NPPEI

Squares and roots of 400628246490

• 400628246490 squared (400628246490²) is 160502991885652197320100
• 400628246490 cubed (400628246490³) is 64302032195547538402367140231449000
• The square root of 400628246490 is 632952.0096263223
• The cube root of 400628246490 is 7371.9184459381

Scales and comparisons

• 400,628,246,490 seconds is equal to 12,738 years, 38 weeks, 3 days, 1 minute, 30 seconds.
• To count from 1 to 400,628,246,490 would take you about twenty-five thousand, four hundred seventy-seven 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 400628246490 cubic inches would be around 614.3 feet tall.

Recreational maths with 400628246490

• 400628246490 backwards is 094642826004
• 400628246490 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 400628246490's digits is 45
• More coming soon!