1261980

Names of 1261980

• Cardinal: 1261980 can be written as One million, two hundred sixty-one thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.26198 × 10⁶

Factors of 1261980

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 70

Divisors of 1261980

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 19 20 27 30 36 38 41 45 54 57 60 76 81 82 90 95 108 114 123 135 162 164 171 180 190 205 228 246 270 285 324 342 369 380 405 410 492 513 540 570 615 684 738 779 810 820 855 1026 1107 1140 1230 1476 1539 1558 1620 1710 1845 2052 2214 2337 2460 2565 3078 3116 3321 3420 3690 3895 4428 4674 5130 5535 6156 6642 7011 7380 7695 7790 9348 10260 11070 11685 13284 14022 15390 15580 16605 21033 22140 23370 28044 30780 33210 35055 42066 46740 63099 66420 70110 84132 105165 126198 140220 210330 252396 315495 420660 630990 1261980
• Sum of all divisors σ(n): 4268880
• Sum of proper divisors (its aliquot sum) s(n): 3006900
• 1261980 is an abundant number, because the sum of its proper divisors (3006900) is greater than itself. Its abundance is 1744920

Bases of 1261980

• Binary: 100110100000110011100₂
• Hexadecimal: 0x13419C
• Base-36: R1R0

Squares and roots of 1261980

• 1261980 squared (1261980²) is 1592593520400
• 1261980 cubed (1261980³) is 2009821170874392000
• The square root of 1261980 is 1123.3788319175
• The cube root of 1261980 is 108.0647759559

Scales and comparisons

• 1,261,980 seconds is equal to 2 weeks, 14 hours, 33 minutes.
• To count from 1 to 1,261,980 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 1261980 cubic inches would be around 9 feet tall.

Recreational maths with 1261980

• 1261980 backwards is 0891621
• 1261980 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 1261980's digits is 27
• More coming soon!