1129749740

Names of 1129749740

• Cardinal: 1129749740 can be written as One billion, one hundred twenty-nine million, seven hundred forty-nine thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.12974974 × 10⁹

Factors of 1129749740

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1805

Divisors of 1129749740

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 31 35 62 70 124 140 155 163 217 310 326 434 620 652 815 868 1085 1141 1597 1630 2170 2282 3194 3260 4340 4564 5053 5705 6388 7985 10106 11179 11410 15970 20212 22358 22820 25265 31940 35371 44716 49507 50530 55895 70742 99014 101060 111790 141484 176855 198028 223580 247535 260311 346549 353710 495070 520622 693098 707420 990140 1041244 1301555 1386196 1732745 1822177 2603110 3465490 3644354 5206220 6930980 7288708 8069641 9110885 16139282 18221770 32278564 36443540 40348205 56487487 80696410 112974974 161392820 225949948 282437435 564874870 1129749740
• Sum of all divisors σ(n): 2817798144
• Sum of proper divisors (its aliquot sum) s(n): 1688048404
• 1129749740 is an abundant number, because the sum of its proper divisors (1688048404) is greater than itself. Its abundance is 558298664

Bases of 1129749740

• Binary: 1000011010101101001110011101100₂
• Hexadecimal: 0x43569CEC
• Base-36: IOMGH8

Squares and roots of 1129749740

• 1129749740 squared (1129749740²) is 1276334475030067600
• 1129749740 cubed (1129749740³) is 1441938541318255363282424000
• The square root of 1129749740 is 33611.7500288217
• The cube root of 1129749740 is 1041.5035390275

Scales and comparisons

• 1,129,749,740 seconds is equal to 35 years, 47 weeks, 6 days, 19 hours, 22 minutes, 20 seconds.
• To count from 1 to 1,129,749,740 would take you about seventy-one 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 1129749740 cubic inches would be around 86.8 feet tall.

Recreational maths with 1129749740

• 1129749740 backwards is 0479479211
• The number of decimal digits it has is: 10
• The sum of 1129749740's digits is 44
• More coming soon!