1949245740

Names of 1949245740

• Cardinal: 1949245740 can be written as One billion, nine hundred forty-nine million, two hundred forty-five thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.94924574 × 10⁹

Factors of 1949245740

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 12523

Divisors of 1949245740

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 67 78 90 117 130 134 156 180 195 201 234 260 268 335 390 402 468 585 603 670 780 804 871 1005 1170 1206 1340 1742 2010 2340 2412 2613 3015 3484 4020 4355 5226 6030 7839 8710 10452 12060 12433 13065 15678 17420 24866 26130 31356 37299 39195 49732 52260 62165 74598 78390 111897 124330 149196 156780 161629 186495 223794 248660 323258 372990 447588 484887 559485 646516 745980 808145 833011 969774 1118970 1454661 1616290 1666022 1939548 2237940 2424435 2499033 2909322 3232580 3332044 4165055 4848870 4998066 5818644 7273305 7497099 8330110 9697740 9996132 10829143 12495165 14546610 14994198 16660220 21658286 24990330 29093220 29988396 32487429 37485495 43316572 49980660 54145715 64974858 74970990 97462287 108291430 129949716 149941980 162437145 194924574 216582860 324874290 389849148 487311435 649748580 974622870 1949245740
• Sum of all divisors σ(n): 6463093728
• Sum of proper divisors (its aliquot sum) s(n): 4513847988
• 1949245740 is an abundant number, because the sum of its proper divisors (4513847988) is greater than itself. Its abundance is 2564602248

Bases of 1949245740

• Binary: 1110100001011110010000100101100₂
• Hexadecimal: 0x742F212C
• Base-36: W8J3N0

Squares and roots of 1949245740

• 1949245740 squared (1949245740²) is 3799558954908147600
• 1949245740 cubed (1949245740³) is 7406274106733558800591224000
• The square root of 1949245740 is 44150.2631928735
• The cube root of 1949245740 is 1249.1718760231

Scales and comparisons

• 1,949,245,740 seconds is equal to 61 years, 50 weeks, 6 days, 17 hours, 9 minutes.
• To count from 1 to 1,949,245,740 would take you about one hundred twenty-three 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 1949245740 cubic inches would be around 104.1 feet tall.

Recreational maths with 1949245740

• 1949245740 backwards is 0475429491
• 1949245740 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1949245740's digits is 45
• More coming soon!