6406379980

Names of 6406379980

• Cardinal: 6406379980 can be written as Six billion, four hundred six million, three hundred seventy-nine thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 6.40637998 × 10⁹

Factors of 6406379980

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 13974

Divisors of 6406379980

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 10 11 13 14 20 22 23 26 28 35 44 46 52 55 65 70 77 91 92 110 115 130 140 143 154 161 182 220 230 253 260 286 299 308 322 364 385 455 460 506 572 598 644 715 770 805 910 1001 1012 1196 1265 1430 1495 1540 1610 1771 1820 2002 2093 2530 2860 2990 3220 3289 3542 4004 4186 5005 5060 5980 6578 7084 8372 8855 10010 10465 13156 13913 16445 17710 20020 20930 23023 27826 32890 35420 41860 46046 55652 65780 69565 92092 97391 115115 139130 153043 180869 194782 230230 278260 306086 319999 361738 389564 460460 486955 612172 639998 723476 765215 904345 973910 1071301 1266083 1279996 1530430 1599995 1808690 1947820 1989559 2142602 2239993 2532166 3060860 3199990 3519989 3617380 3979118 4159987 4285204 4479986 5064332 5356505 6330415 6399980 7039978 7958236 8319974 8959972 9947795 10713010 11199965 12660830 13926913 14079956 16639948 17599945 19895590 20799935 21426020 22399930 24639923 25321660 27853826 29119909 35199890 39791180 41599870 44799860 45759857 49279846 55707652 58239818 69634565 70399780 83199740 91519714 98559692 116479636 123199615 139269130 145599545 183039428 228799285 246399230 278538260 291199090 320318999 457598570 492798460 582398180 640637998 915197140 1281275996 1601594995 3203189990 6406379980
• Sum of all divisors σ(n): 18850019328
• Sum of proper divisors (its aliquot sum) s(n): 12443639348
• 6406379980 is an abundant number, because the sum of its proper divisors (12443639348) is greater than itself. Its abundance is 6037259368

Bases of 6406379980

• Binary: 101111101110110011001100111001100₂
• Hexadecimal: 0x17DD999CC
• Base-36: 2XY6YFG

Squares and roots of 6406379980

• 6406379980 squared (6406379980²) is 41041704448144800400
• 6406379980 cubed (6406379980³) is 262928753721671797423655992000
• The square root of 6406379980 is 80039.8649424147
• The cube root of 6406379980 is 1857.2522711361

Scales and comparisons

• 6,406,379,980 seconds is equal to 203 years, 36 weeks, 3 days, 21 hours, 59 minutes, 40 seconds.
• To count from 1 to 6,406,379,980 would take you about four hundred 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 6406379980 cubic inches would be around 154.8 feet tall.

Recreational maths with 6406379980

• 6406379980 backwards is 0899736046
• 6406379980 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6406379980's digits is 52
• More coming soon!