1297829390

Names of 1297829390

• Cardinal: 1297829390 can be written as One billion, two hundred ninety-seven million, eight hundred twenty-nine thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.29782939 × 10⁹

Factors of 1297829390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1378

Divisors of 1297829390

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 10 11 13 19 22 26 37 38 55 65 74 95 110 130 143 185 190 209 247 286 370 407 418 481 494 703 715 814 962 1045 1235 1291 1406 1430 2035 2090 2405 2470 2582 2717 3515 4070 4810 5291 5434 6455 7030 7733 9139 10582 12910 13585 14201 15466 16783 18278 24529 26455 27170 28402 33566 38665 45695 47767 49058 52910 71005 77330 83915 91390 95534 100529 122645 142010 167830 184613 201058 238835 245290 269819 318877 369226 477670 502645 525437 539638 620971 637754 907573 923065 1005290 1050874 1241942 1349095 1594385 1815146 1846130 2627185 2698190 3104855 3188770 3507647 4537865 5254370 6209710 6830681 7015294 9075730 9983303 11798449 13661362 17538235 19966606 23596898 34153405 35076470 49916515 58992245 68306810 99833030 117984490 129782939 259565878 648914695 1297829390
• Sum of all divisors σ(n): 2969326080
• Sum of proper divisors (its aliquot sum) s(n): 1671496690
• 1297829390 is an abundant number, because the sum of its proper divisors (1671496690) is greater than itself. Its abundance is 373667300

Bases of 1297829390

• Binary: 1001101010110110100111000001110₂
• Hexadecimal: 0x4D5B4E0E
• Base-36: LGOZKE

Squares and roots of 1297829390

• 1297829390 squared (1297829390²) is 1684361125547772100
• 1297829390 cubed (1297829390³) is 2186013372109378480402019000
• The square root of 1297829390 is 36025.3992344289
• The cube root of 1297829390 is 1090.7851117713

Scales and comparisons

• 1,297,829,390 seconds is equal to 41 years, 13 weeks, 6 days, 4 hours, 9 minutes, 50 seconds.
• To count from 1 to 1,297,829,390 would take you about eighty-two 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 1297829390 cubic inches would be around 90.9 feet tall.

Recreational maths with 1297829390

• 1297829390 backwards is 0939287921
• The number of decimal digits it has is: 10
• The sum of 1297829390's digits is 50
• More coming soon!