1389981384

Names of 1389981384

• Cardinal: 1389981384 can be written as One billion, three hundred eighty-nine million, nine hundred eighty-one thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 1.389981384 × 10⁹

Factors of 1389981384

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 524

Divisors of 1389981384

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 47 54 66 72 81 88 94 99 108 132 141 162 188 198 216 243 264 282 297 324 376 396 423 461 486 517 564 594 648 729 792 846 891 922 972 1034 1128 1188 1269 1383 1458 1551 1692 1782 1844 1944 2068 2376 2538 2673 2766 2916 3102 3384 3564 3688 3807 4136 4149 4653 5071 5076 5346 5532 5832 6204 7128 7614 8019 8298 9306 10142 10152 10692 11064 11421 12408 12447 13959 15213 15228 16038 16596 18612 20284 21384 21667 22842 24894 27918 30426 30456 32076 33192 34263 37224 37341 40568 41877 43334 45639 45684 49788 55836 60852 64152 65001 68526 74682 83754 86668 91278 91368 99576 111672 112023 121704 125631 130002 136917 137052 149364 167508 173336 182556 195003 224046 238337 251262 260004 273834 274104 298728 335016 336069 365112 376893 390006 410751 448092 476674 502524 520008 547668 585009 672138 715011 753786 780012 821502 896184 953348 1005048 1095336 1170018 1232253 1344276 1430022 1507572 1560024 1643004 1755027 1906696 2145033 2340036 2464506 2688552 2860044 3015144 3286008 3510054 3696759 4290066 4680072 4929012 5265081 5720088 6435099 7020108 7393518 8580132 9858024 10530162 12870198 14040216 14787036 15795243 17160264 19305297 21060324 25740396 29574072 31590486 38610594 42120648 51480792 57915891 63180972 77221188 115831782 126361944 154442376 173747673 231663564 347495346 463327128 694990692 1389981384
• Sum of all divisors σ(n): 4362906240
• Sum of proper divisors (its aliquot sum) s(n): 2972924856
• 1389981384 is an abundant number, because the sum of its proper divisors (2972924856) is greater than itself. Its abundance is 1582943472

Bases of 1389981384

• Binary: 1010010110110010110111011001000₂
• Hexadecimal: 0x52D96EC8
• Base-36: MZK4I0

Squares and roots of 1389981384

• 1389981384 squared (1389981384²) is 1932048247866555456
• 1389981384 cubed (1389981384³) is 2685511097524329800043631104
• The square root of 1389981384 is 37282.4541037737
• The cube root of 1389981384 is 1116.0140476897

Scales and comparisons

• 1,389,981,384 seconds is equal to 44 years, 10 weeks, 1 day, 17 hours, 56 minutes, 24 seconds.
• To count from 1 to 1,389,981,384 would take you about eighty-eight 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 1389981384 cubic inches would be around 93 feet tall.

Recreational maths with 1389981384

• 1389981384 backwards is 4831899831
• 1389981384 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1389981384's digits is 54
• More coming soon!