13129142400

Names of 13129142400

• Cardinal: 13129142400 can be written as Thirteen billion, one hundred twenty-nine million, one hundred forty-two thousand, four hundred.

Scientific notation

• Scientific notation: 1.31291424 × 10¹⁰

Factors of 13129142400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 41464

Divisors of 13129142400

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 25 30 32 33 36 40 44 45 48 50 55 60 64 66 72 75 80 88 90 96 99 100 110 120 128 132 144 150 160 165 176 180 192 198 200 220 225 240 264 275 288 300 320 330 352 360 384 396 400 440 450 480 495 528 550 576 600 640 660 704 720 792 800 825 880 900 960 990 1056 1100 1152 1200 1320 1408 1440 1584 1600 1650 1760 1800 1920 1980 2112 2200 2400 2475 2640 2880 3168 3200 3300 3520 3600 3960 4224 4400 4800 4950 5280 5760 6336 6600 7040 7200 7920 8800 9600 9900 10560 12672 13200 14400 15840 17600 19800 21120 26400 28800 31680 35200 39600 41443 52800 63360 79200 82886 105600 124329 158400 165772 207215 248658 316800 331544 372987 414430 455873 497316 621645 663088 745974 828860 911746 994632 1036075 1243290 1326176 1367619 1491948 1657720 1823492 1864935 1989264 2072150 2279365 2486580 2652352 2735238 2983896 3108225 3315440 3646984 3729870 3978528 4102857 4144300 4558730 4973160 5304704 5470476 5967792 6216450 6630880 6838095 7293968 7459740 7957056 8205714 8288600 9117460 9324675 9946320 10940952 11396825 11935584 12432900 13261760 13676190 14587936 14919480 15914112 16411428 16577200 18234920 18649350 19892640 20514285 21881904 22793650 23871168 24865800 26523520 27352380 29175872 29838960 32822856 33154400 34190475 36469840 37298700 39785280 41028570 43763808 45587300 47742336 49731600 54704760 58351744 59677920 65645712 66308800 68380950 72939680 74597400 79570560 82057140 87527616 91174600 99463200 102571425 109409520 119355840 131291424 132617600 136761900 145879360 149194800 164114280 175055232 182349200 198926400 205142850 218819040 238711680 262582848 273523800 291758720 298389600 328228560 364698400 397852800 410285700 437638080 525165696 547047600 596779200 656457120 729396800 820571400 875276160 1094095200 1193558400 1312914240 1458793600 1641142800 2188190400 2625828480 3282285600 4376380800 6564571200 13129142400
• Sum of all divisors σ(n): 51107911920
• Sum of proper divisors (its aliquot sum) s(n): 37978769520
• 13129142400 is an abundant number, because the sum of its proper divisors (37978769520) is greater than itself. Its abundance is 24849627120

Bases of 13129142400

• Binary: 1100001110100011101101000010000000₂
• Hexadecimal: 0x30E8ED080
• Base-36: 614R340

Squares and roots of 13129142400

• 13129142400 squared (13129142400²) is 172374380159477760000
• 13129142400 cubed (13129142400³) is 2263127783225518220673024000000
• The square root of 13129142400 is 114582.4698634133
• The cube root of 13129142400 is 2359.0951237449

Scales and comparisons

• 13,129,142,400 seconds is equal to 417 years, 24 weeks, 1 day, 16 hours.
• To count from 1 to 13,129,142,400 would take you about eight hundred thirty-four 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 13129142400 cubic inches would be around 196.6 feet tall.

Recreational maths with 13129142400

• 13129142400 backwards is 00424192131
• The number of decimal digits it has is: 11
• The sum of 13129142400's digits is 27
• More coming soon!