1138421790

Names of 1138421790

• Cardinal: 1138421790 can be written as One billion, one hundred thirty-eight million, four hundred twenty-one thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 1.13842179 × 10⁹

Factors of 1138421790

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1995

Divisors of 1138421790

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 67 81 90 99 110 134 135 162 165 198 201 270 297 330 335 402 405 495 594 603 670 737 810 891 990 1005 1206 1474 1485 1782 1809 1907 2010 2211 2970 3015 3618 3685 3814 4422 4455 5427 5721 6030 6633 7370 8910 9045 9535 10854 11055 11442 13266 17163 18090 19070 19899 20977 22110 27135 28605 33165 34326 39798 41954 51489 54270 57210 59697 62931 66330 85815 99495 102978 104885 119394 125862 127769 154467 171630 188793 198990 209770 255538 257445 298485 308934 314655 377586 383307 514890 566379 596970 629310 638845 766614 772335 943965 1132758 1149921 1277690 1405459 1544670 1699137 1887930 1916535 2299842 2810918 2831895 3398274 3449763 3833070 4216377 5663790 5749605 6899526 7027295 8432754 8495685 10349289 11499210 12649131 14054590 16991370 17248815 20698578 21081885 25298262 34497630 37947393 42163770 51746445 63245655 75894786 103492890 113842179 126491310 189736965 227684358 379473930 569210895 1138421790
• Sum of all divisors σ(n): 3390989184
• Sum of proper divisors (its aliquot sum) s(n): 2252567394
• 1138421790 is an abundant number, because the sum of its proper divisors (2252567394) is greater than itself. Its abundance is 1114145604

Bases of 1138421790

• Binary: 1000011110110101111000000011110₂
• Hexadecimal: 0x43DAF01E
• Base-36: ITSBVI

Squares and roots of 1138421790

• 1138421790 squared (1138421790²) is 1296004171946804100
• 1138421790 cubed (1138421790³) is 1475399389275148508301339000
• The square root of 1138421790 is 33740.5066648383
• The cube root of 1138421790 is 1044.1616376763

Scales and comparisons

• 1,138,421,790 seconds is equal to 36 years, 10 weeks, 2 days, 4 hours, 16 minutes, 30 seconds.
• To count from 1 to 1,138,421,790 would take you about seventy-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 1138421790 cubic inches would be around 87 feet tall.

Recreational maths with 1138421790

• 1138421790 backwards is 0971248311
• The number of decimal digits it has is: 10
• The sum of 1138421790's digits is 36
• More coming soon!