1213380

Names of 1213380

• Cardinal: 1213380 can be written as One million, two hundred thirteen thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.21338 × 10⁶

Factors of 1213380

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 124

Divisors of 1213380

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 81 84 90 105 107 108 126 135 140 162 180 189 210 214 252 270 315 321 324 378 405 420 428 535 540 567 630 642 749 756 810 945 963 1070 1134 1260 1284 1498 1605 1620 1890 1926 2140 2247 2268 2835 2889 2996 3210 3745 3780 3852 4494 4815 5670 5778 6420 6741 7490 8667 8988 9630 11235 11340 11556 13482 14445 14980 17334 19260 20223 22470 26964 28890 33705 34668 40446 43335 44940 57780 60669 67410 80892 86670 101115 121338 134820 173340 202230 242676 303345 404460 606690 1213380
• Sum of all divisors σ(n): 4390848
• Sum of proper divisors (its aliquot sum) s(n): 3177468
• 1213380 is an abundant number, because the sum of its proper divisors (3177468) is greater than itself. Its abundance is 1964088

Bases of 1213380

• Binary: 100101000001111000100₂
• Hexadecimal: 0x1283C4
• Base-36: Q090

Squares and roots of 1213380

• 1213380 squared (1213380²) is 1472291024400
• 1213380 cubed (1213380³) is 1786448483186472000
• The square root of 1213380 is 1101.5352922171
• The cube root of 1213380 is 106.6593527971

Scales and comparisons

• 1,213,380 seconds is equal to 2 weeks, 1 hour, 3 minutes.
• To count from 1 to 1,213,380 would take you about three weeks!

  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 1213380 cubic inches would be around 8.9 feet tall.

Recreational maths with 1213380

• 1213380 backwards is 0833121
• 1213380 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 1213380's digits is 18
• More coming soon!