1269868428

Names of 1269868428

• Cardinal: 1269868428 can be written as One billion, two hundred sixty-nine million, eight hundred sixty-eight thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 1.269868428 × 10⁹

Factors of 1269868428

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 132

Divisors of 1269868428

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 81 108 127 162 243 254 324 381 486 508 729 762 972 1143 1458 1524 2187 2286 2916 3429 4374 4572 6561 6858 8748 10287 13122 13716 16129 19683 20574 26244 30861 32258 39366 41148 48387 61722 64516 78732 92583 96774 123444 145161 185166 193548 277749 290322 370332 435483 555498 580644 833247 870966 1110996 1306449 1666494 1741932 2499741 2612898 3332988 3919347 4999482 5225796 7838694 9998964 11758041 15677388 23516082 35274123 47032164 70548246 105822369 141096492 211644738 317467107 423289476 634934214 1269868428
• Sum of all divisors σ(n): 3359801676
• Sum of proper divisors (its aliquot sum) s(n): 2089933248
• 1269868428 is an abundant number, because the sum of its proper divisors (2089933248) is greater than itself. Its abundance is 820064820

Bases of 1269868428

• Binary: 1001011101100001010011110001100₂
• Hexadecimal: 0x4BB0A78C
• Base-36: L01OR0

Squares and roots of 1269868428

• 1269868428 squared (1269868428²) is 1612565824431191184
• 1269868428 cubed (1269868428³) is 2047746428516960742993538752
• The square root of 1269868428 is 35635.2133149221
• The cube root of 1269868428 is 1082.8947342841

Scales and comparisons

• 1,269,868,428 seconds is equal to 40 years, 19 weeks, 4 days, 13 hours, 13 minutes, 48 seconds.
• To count from 1 to 1,269,868,428 would take you about eighty 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 1269868428 cubic inches would be around 90.2 feet tall.

Recreational maths with 1269868428

• 1269868428 backwards is 8248689621
• 1269868428 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1269868428's digits is 54
• More coming soon!