68147200

Names of 68147200

• Cardinal: 68147200 can be written as Sixty-eight million, one hundred forty-seven thousand, two hundred.

Scientific notation

• Scientific notation: 6.81472 × 10⁷

Factors of 68147200

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 18

Divisors of 68147200

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 80 88 100 110 121 128 160 176 200 220 242 256 275 320 352 400 440 484 512 550 605 640 704 800 880 968 1024 1100 1210 1280 1331 1408 1600 1760 1936 2048 2200 2420 2560 2662 2816 3025 3200 3520 3872 4400 4840 5120 5324 5632 6050 6400 6655 7040 7744 8800 9680 10240 10648 11264 12100 12800 13310 14080 15488 17600 19360 21296 22528 24200 25600 26620 28160 30976 33275 35200 38720 42592 48400 51200 53240 56320 61952 66550 70400 77440 85184 96800 106480 112640 123904 133100 140800 154880 170368 193600 212960 247808 266200 281600 309760 340736 387200 425920 532400 563200 619520 681472 774400 851840 1064800 1239040 1362944 1548800 1703680 2129600 2725888 3097600 3407360 4259200 6195200 6814720 8518400 13629440 17036800 34073600 68147200
• Sum of all divisors σ(n): 185847480
• Sum of proper divisors (its aliquot sum) s(n): 117700280
• 68147200 is an abundant number, because the sum of its proper divisors (117700280) is greater than itself. Its abundance is 49553080

Bases of 68147200

• Binary: 100000011111101100000000000₂
• Hexadecimal: 0x40FD800
• Base-36: 14KMPS

Squares and roots of 68147200

• 68147200 squared (68147200²) is 4644040867840000
• 68147200 cubed (68147200³) is 316478381828866048000000
• The square root of 68147200 is 8255.1317372893
• The cube root of 68147200 is 408.4598173579

Scales and comparisons

• 68,147,200 seconds is equal to 2 years, 8 weeks, 4 days, 17 hours, 46 minutes, 40 seconds.
• To count from 1 to 68,147,200 would take you about 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 68147200 cubic inches would be around 34 feet tall.

Recreational maths with 68147200

• 68147200 backwards is 00274186
• The number of decimal digits it has is: 8
• The sum of 68147200's digits is 28
• More coming soon!