381346720

Names of 381346720

• Cardinal: 381346720 can be written as Three hundred eighty-one million, three hundred forty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 3.8134672 × 10⁸

Factors of 381346720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 247

Divisors of 381346720

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 16 17 19 20 32 34 38 40 47 68 76 80 85 94 95 136 152 157 160 170 188 190 235 272 304 314 323 340 376 380 470 544 608 628 646 680 752 760 785 799 893 940 1256 1292 1360 1504 1520 1570 1598 1615 1786 1880 2512 2584 2669 2720 2983 3040 3140 3196 3230 3572 3760 3995 4465 5024 5168 5338 5966 6280 6392 6460 7144 7379 7520 7990 8930 10336 10676 11932 12560 12784 12920 13345 14288 14758 14915 15181 15980 17860 21352 23864 25120 25568 25840 26690 28576 29516 29830 30362 31960 35720 36895 42704 47728 50711 51680 53380 59032 59660 60724 63920 71440 73790 75905 85408 95456 101422 106760 118064 119320 121448 125443 127840 140201 142880 147580 151810 202844 213520 236128 238640 242896 250886 253555 280402 295160 303620 405688 427040 477280 485792 501772 507110 560804 590320 607240 627215 701005 811376 1003544 1014220 1121608 1180640 1214480 1254430 1402010 1622752 2007088 2028440 2243216 2383417 2428960 2508860 2804020 4014176 4056880 4486432 4766834 5017720 5608040 8113760 9533668 10035440 11216080 11917085 19067336 20070880 22432160 23834170 38134672 47668340 76269344 95336680 190673360 381346720
• Sum of all divisors σ(n): 1032030720
• Sum of proper divisors (its aliquot sum) s(n): 650684000
• 381346720 is an abundant number, because the sum of its proper divisors (650684000) is greater than itself. Its abundance is 269337280

Bases of 381346720

• Binary: 10110101110101110001110100000₂
• Hexadecimal: 0x16BAE3A0
• Base-36: 6B1L0G

Squares and roots of 381346720

• 381346720 squared (381346720²) is 145425320854758400
• 381346720 cubed (381346720³) is 55457469112909712232448000
• The square root of 381346720 is 19528.1007781095
• The cube root of 381346720 is 725.1702937267

Scales and comparisons

• 381,346,720 seconds is equal to 12 years, 6 weeks, 3 days, 17 hours, 38 minutes, 40 seconds.
• To count from 1 to 381,346,720 would take you about eighteen 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 381346720 cubic inches would be around 60.4 feet tall.

Recreational maths with 381346720

• 381346720 backwards is 027643183
• 381346720 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 381346720's digits is 34
• More coming soon!