842145408

Names of 842145408

• Cardinal: 842145408 can be written as Eight hundred forty-two million, one hundred forty-five thousand, four hundred eight.

Scientific notation

• Scientific notation: 8.42145408 × 10⁸

Factors of 842145408

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1132

Divisors of 842145408

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 53 64 72 78 96 104 106 117 128 144 156 159 192 208 212 234 288 312 318 384 416 424 468 477 576 624 636 689 832 848 936 954 1061 1152 1248 1272 1378 1664 1696 1872 1908 2067 2122 2496 2544 2756 3183 3392 3744 3816 4134 4244 4992 5088 5512 6201 6366 6784 7488 7632 8268 8488 9549 10176 11024 12402 12732 13793 14976 15264 16536 16976 19098 20352 22048 24804 25464 27586 30528 33072 33952 38196 41379 44096 49608 50928 55172 56233 61056 66144 67904 76392 82758 88192 99216 101856 110344 112466 124137 132288 135808 152784 165516 168699 198432 203712 220688 224932 248274 264576 305568 331032 337398 396864 407424 441376 449864 496548 506097 611136 662064 674796 731029 793728 882752 899728 993096 1012194 1222272 1324128 1349592 1462058 1765504 1799456 1986192 2024388 2193087 2648256 2699184 2924116 3598912 3972384 4048776 4386174 5296512 5398368 5848232 6579261 7197824 7944768 8097552 8772348 10796736 11696464 13158522 15889536 16195104 17544696 21593472 23392928 26317044 32390208 35089392 46785856 52634088 64780416 70178784 93571712 105268176 140357568 210536352 280715136 421072704 842145408
• Sum of all divisors σ(n): 2661520680
• Sum of proper divisors (its aliquot sum) s(n): 1819375272
• 842145408 is an abundant number, because the sum of its proper divisors (1819375272) is greater than itself. Its abundance is 977229864

Bases of 842145408

• Binary: 110010001100100001111010000000₂
• Hexadecimal: 0x32321E80
• Base-36: DXE3K0

Squares and roots of 842145408

• 842145408 squared (842145408²) is 709208888215486464
• 842145408 cubed (842145408³) is 597257008523457240143757312
• The square root of 842145408 is 29019.7416942329
• The cube root of 842145408 is 944.3413971547

Scales and comparisons

• 842,145,408 seconds is equal to 26 years, 40 weeks, 3 days, 1 hour, 16 minutes, 48 seconds.
• To count from 1 to 842,145,408 would take you about forty 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 842145408 cubic inches would be around 78.7 feet tall.

Recreational maths with 842145408

• 842145408 backwards is 804541248
• 842145408 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 842145408's digits is 36
• More coming soon!