13481812890

Names of 13481812890

• Cardinal: 13481812890 can be written as Thirteen billion, four hundred eighty-one million, eight hundred twelve thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.348181289 × 10¹⁰

Factors of 13481812890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 53162

Divisors of 13481812890

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 26 30 31 35 39 42 45 62 63 65 70 78 90 91 93 105 117 126 130 155 182 186 195 210 217 234 273 279 310 315 390 403 434 455 465 546 558 585 630 651 806 819 910 930 1085 1170 1209 1302 1365 1395 1638 1953 2015 2170 2418 2730 2790 2821 3255 3627 3906 4030 4095 5642 6045 6510 7254 8190 8463 9765 12090 14105 16926 18135 19530 25389 28210 36270 42315 50778 53101 84630 106202 126945 159303 253890 265505 318606 371707 477909 531010 690313 743414 796515 955818 1115121 1380626 1593030 1646131 1858535 2070939 2230242 2389545 3292262 3345363 3451565 3717070 4141878 4779090 4832191 4938393 5575605 6212817 6690726 6903130 8230655 9664382 9876786 10354695 11151210 11522917 12425634 14496573 14815179 16461310 16726815 20709390 21399703 23045834 24160955 24691965 28993146 29630358 31064085 33453630 34568751 42799406 43489719 48321910 49383930 57614585 62128170 64199109 69137502 72482865 74075895 86979438 103706253 106998515 115229170 128398218 144965730 148151790 149797921 172843755 192597327 207412506 213997030 217448595 299595842 320995545 345687510 385194654 434897190 449393763 518531265 641991090 748989605 898787526 962986635 1037062530 1348181289 1497979210 1925973270 2246968815 2696362578 4493937630 6740906445 13481812890
• Sum of all divisors σ(n): 44534310912
• Sum of proper divisors (its aliquot sum) s(n): 31052498022
• 13481812890 is an abundant number, because the sum of its proper divisors (31052498022) is greater than itself. Its abundance is 17570685132

Bases of 13481812890

• Binary: 1100100011100101000010001110011010₂
• Hexadecimal: 0x32394239A
• Base-36: 66YQ1EI

Squares and roots of 13481812890

• 13481812890 squared (13481812890²) is 181759278800970152100
• 13481812890 cubed (13481812890³) is 2450444587816023141087040569000
• The square root of 13481812890 is 116111.2091488157
• The cube root of 13481812890 is 2380.0318293651

Scales and comparisons

• 13,481,812,890 seconds is equal to 428 years, 35 weeks, 2 days, 12 hours, 1 minute, 30 seconds.
• To count from 1 to 13,481,812,890 would take you about eight hundred fifty-seven 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 13481812890 cubic inches would be around 198.3 feet tall.

Recreational maths with 13481812890

• 13481812890 backwards is 09821818431
• 13481812890 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13481812890's digits is 45
• More coming soon!