380640816

Names of 380640816

• Cardinal: 380640816 can be written as Three hundred eighty million, six hundred forty thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 3.80640816 × 10⁸

Factors of 380640816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 740

Divisors of 380640816

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 36 43 48 54 62 72 86 93 108 124 129 144 172 186 216 248 258 279 344 372 387 432 496 516 558 661 688 744 774 837 1032 1116 1161 1322 1333 1488 1548 1674 1983 2064 2232 2322 2644 2666 3096 3348 3966 3999 4464 4644 5288 5332 5949 6192 6696 7932 7998 9288 10576 10664 11898 11997 13392 15864 15996 17847 18576 20491 21328 23796 23994 28423 31728 31992 35694 35991 40982 47592 47988 56846 61473 63984 71388 71982 81964 85269 95184 95976 113692 122946 142776 143964 163928 170538 184419 191952 227384 245892 255807 285552 287928 327856 341076 368838 454768 491784 511614 553257 575856 682152 737676 767421 881113 983568 1023228 1106514 1364304 1475352 1534842 1762226 2046456 2213028 2643339 2950704 3069684 3524452 4092912 4426056 5286678 6139368 7048904 7930017 8852112 10573356 12278736 14097808 15860034 21146712 23790051 31720068 42293424 47580102 63440136 95160204 126880272 190320408 380640816
• Sum of all divisors σ(n): 1155799040
• Sum of proper divisors (its aliquot sum) s(n): 775158224
• 380640816 is an abundant number, because the sum of its proper divisors (775158224) is greater than itself. Its abundance is 394517408

Bases of 380640816

• Binary: 10110101100000001111000110000₂
• Hexadecimal: 0x16B01E30
• Base-36: 6AMGC0

Squares and roots of 380640816

• 380640816 squared (380640816²) is 144887430805145856
• 380640816 cubed (380640816³) is 55150069889814255626858496
• The square root of 380640816 is 19510.0183495557
• The cube root of 380640816 is 724.7225674921

Scales and comparisons

• 380,640,816 seconds is equal to 12 years, 5 weeks, 2 days, 13 hours, 33 minutes, 36 seconds.
• To count from 1 to 380,640,816 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 380640816 cubic inches would be around 60.4 feet tall.

Recreational maths with 380640816

• 380640816 backwards is 618046083
• 380640816 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 380640816's digits is 36
• More coming soon!