13890945320

Names of 13890945320

• Cardinal: 13890945320 can be written as Thirteen billion, eight hundred ninety million, nine hundred forty-five thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.389094532 × 10¹⁰

Factors of 13890945320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3890

Divisors of 13890945320

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 43 49 56 70 86 98 140 172 196 215 245 280 301 344 392 430 490 602 860 980 1204 1505 1720 1849 1960 2107 2408 3010 3698 3833 4214 6020 7396 7666 8428 9245 10535 12040 12943 14792 15332 16856 18490 19165 21070 25886 26831 30664 36980 38330 42140 51772 53662 64715 73960 76660 84280 90601 103544 107324 129430 134155 153320 164819 181202 187817 214648 258860 268310 329638 362404 375634 453005 517720 536620 659276 724808 751268 824095 906010 939085 1073240 1153733 1318552 1502536 1648190 1812020 1878170 2307466 3296380 3624040 3756340 4614932 5768665 6592760 7087217 7512680 8076131 9229864 11537330 14174434 16152262 23074660 28348868 32304524 35436085 40380655 46149320 49610519 56697736 64609048 70872170 80761310 99221038 141744340 161522620 198442076 248052595 283488680 323045240 347273633 396884152 496105190 694547266 992210380 1389094532 1736368165 1984420760 2778189064 3472736330 6945472660 13890945320
• Sum of all divisors σ(n): 37232319060
• Sum of proper divisors (its aliquot sum) s(n): 23341373740
• 13890945320 is an abundant number, because the sum of its proper divisors (23341373740) is greater than itself. Its abundance is 9450428420

Bases of 13890945320

• Binary: 1100111011111101110000000100101000₂
• Hexadecimal: 0x33BF70128
• Base-36: 6DQB608

Squares and roots of 13890945320

• 13890945320 squared (13890945320²) is 192958361883229902400
• 13890945320 cubed (13890945320³) is 2680374053956718799227336768000
• The square root of 13890945320 is 117859.8545731329
• The cube root of 13890945320 is 2403.8679134665

Scales and comparisons

• 13,890,945,320 seconds is equal to 441 years, 35 weeks, 5 days, 19 hours, 55 minutes, 20 seconds.
• To count from 1 to 13,890,945,320 would take you about eight hundred eighty-three 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 13890945320 cubic inches would be around 200.3 feet tall.

Recreational maths with 13890945320

• 13890945320 backwards is 02354909831
• The number of decimal digits it has is: 11
• The sum of 13890945320's digits is 44
• More coming soon!