305145120

Names of 305145120

• Cardinal: 305145120 can be written as Three hundred five million, one hundred forty-five thousand, one hundred twenty.

Scientific notation

• Scientific notation: 3.0514512 × 10⁸

Factors of 305145120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 675

Divisors of 305145120

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 197 210 224 240 280 336 394 420 461 480 560 591 672 788 840 922 985 1120 1182 1379 1383 1576 1680 1844 1970 2305 2364 2758 2766 2955 3152 3227 3360 3688 3940 4137 4610 4728 5516 5532 5910 6304 6454 6895 6915 7376 7880 8274 9220 9456 9681 11032 11064 11820 12908 13790 13830 14752 15760 16135 16548 18440 18912 19362 20685 22064 22128 23640 25816 27580 27660 31520 32270 33096 36880 38724 41370 44128 44256 47280 48405 51632 55160 55320 64540 66192 73760 77448 82740 90817 94560 96810 103264 110320 110640 129080 132384 154896 165480 181634 193620 220640 221280 258160 272451 309792 330960 363268 387240 454085 516320 544902 635719 661920 726536 774480 908170 1089804 1271438 1362255 1453072 1548960 1816340 1907157 2179608 2542876 2724510 2906144 3178595 3632680 3814314 4359216 5085752 5449020 6357190 7265360 7628628 8718432 9535785 10171504 10898040 12714380 14530720 15257256 19071570 20343008 21796080 25428760 30514512 38143140 43592160 50857520 61029024 76286280 101715040 152572560 305145120
• Sum of all divisors σ(n): 1106493696
• Sum of proper divisors (its aliquot sum) s(n): 801348576
• 305145120 is an abundant number, because the sum of its proper divisors (801348576) is greater than itself. Its abundance is 496203456

Bases of 305145120

• Binary: 10010001100000010010100100000₂
• Hexadecimal: 0x12302520
• Base-36: 51OBHC

Squares and roots of 305145120

• 305145120 squared (305145120²) is 93113544259814400
• 305145120 cubed (305145120³) is 28413143636786376265728000
• The square root of 305145120 is 17468.4034759907
• The cube root of 305145120 is 673.2382921983

Scales and comparisons

• 305,145,120 seconds is equal to 9 years, 36 weeks, 3 days, 18 hours, 32 minutes.
• To count from 1 to 305,145,120 would take you about fourteen 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 305145120 cubic inches would be around 56.1 feet tall.

Recreational maths with 305145120

• 305145120 backwards is 021541503
• 305145120 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 305145120's digits is 21
• More coming soon!