138866031450

Names of 138866031450

• Cardinal: 138866031450 can be written as One hundred thirty-eight billion, eight hundred sixty-six million, thirty-one thousand, four hundred fifty.

Scientific notation

• Scientific notation: 1.3886603145 × 10¹¹

Factors of 138866031450

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1007

Divisors of 138866031450

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 59 75 81 90 118 135 150 162 177 225 243 270 295 307 354 405 450 486 531 590 614 631 675 810 885 921 1062 1215 1262 1350 1475 1535 1593 1770 1842 1893 2025 2430 2655 2763 2950 3070 3155 3186 3786 4050 4425 4605 4779 5310 5526 5679 6075 6310 7675 7965 8289 8850 9210 9465 9558 11358 12150 13275 13815 14337 15350 15775 15930 16578 17037 18113 18930 23025 23895 24867 26550 27630 28395 28674 31550 34074 36226 37229 39825 41445 46050 47325 47790 49734 51111 54339 56790 69075 71685 74458 74601 79650 82890 85185 90565 94650 102222 108678 111687 119475 124335 138150 141975 143370 149202 153333 163017 170370 181130 186145 193717 207225 223374 238950 248670 255555 271695 283950 306666 326034 335061 358425 372290 373005 387434 414450 425925 452825 489051 511110 543390 558435 581151 621675 670122 716850 746010 766665 815085 851850 905650 930725 968585 978102 1005183 1116870 1162302 1243350 1277775 1358475 1467153 1533330 1630170 1675305 1743453 1861450 1865025 1937170 2010366 2445255 2555550 2716950 2792175 2905755 2934306 3015549 3350610 3486906 3730050 3833325 4075425 4401459 4842925 4890510 5025915 5230359 5584350 5811510 6031098 7335765 7666650 8150850 8376525 8717265 8802918 9046647 9685850 10051830 10460718 11429303 12226275 14528775 14671530 15077745 15691077 16753050 17434530 18093294 22007295 22858606 24452550 25129575 26151795 29057550 30155490 31382154 34287909 36678825 43586325 44014590 45233235 47073231 50259150 52303590 57146515 68575818 73357650 75388725 78455385 87172650 90466470 94146462 102863727 110036475 114293030 130758975 150777450 156910770 171439545 205727454 220072950 226166175 235366155 261517950 285732575 308591181 342879090 392276925 452332350 470732310 514318635 571465150 617182362 784553850 857197725 925773543 1028637270 1176830775 1542955905 1714395450 1851547086 2353661550 2571593175 2777320629 3085911810 4628867715 5143186350 5554641258 7714779525 9257735430 13886603145 15429559050 23144338575 27773206290 46288677150 69433015725 138866031450
• Sum of all divisors σ(n): 395369694720
• Sum of proper divisors (its aliquot sum) s(n): 256503663270
• 138866031450 is an abundant number, because the sum of its proper divisors (256503663270) is greater than itself. Its abundance is 117637631820

Bases of 138866031450

• Binary: 10000001010101000011110111101101011010₂
• Hexadecimal: 0x20550F7B5A
• Base-36: 1RSL8ZMI

Squares and roots of 138866031450

• 138866031450 squared (138866031450²) is 19283774690672389102500
• 138866031450 cubed (138866031450³) is 2677861262669626006754402273625000
• The square root of 138866031450 is 372647.3285158503
• The cube root of 138866031450 is 5178.4367341617

Scales and comparisons

• 138,866,031,450 seconds is equal to 4,415 years, 26 weeks, 3 days, 17 hours, 37 minutes, 30 seconds.
• To count from 1 to 138,866,031,450 would take you about eight thousand, eight hundred thirty-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 138866031450 cubic inches would be around 431.5 feet tall.

Recreational maths with 138866031450

• 138866031450 backwards is 054130668831
• 138866031450 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138866031450's digits is 45
• More coming soon!