13243438390

Names of 13243438390

• Cardinal: 13243438390 can be written as Thirteen billion, two hundred forty-three million, four hundred thirty-eight thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.324343839 × 10¹⁰

Factors of 13243438390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3318

Divisors of 13243438390

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 13 14 26 31 35 62 65 70 91 130 151 155 182 217 302 310 403 434 455 755 806 910 1057 1085 1510 1963 2015 2114 2170 2821 3109 3926 4030 4681 5285 5642 6218 9362 9815 10570 13741 14105 15545 19630 21763 23405 27482 28210 31090 32767 40417 43526 46810 60853 65534 68705 80834 96379 108815 121706 137410 163835 192758 202085 217630 282919 304265 327670 404170 425971 469459 481895 565838 608530 674653 851942 938918 963790 1252927 1349306 1414595 2129855 2347295 2505854 2829190 3286213 3373265 4259710 4694590 6102967 6264635 6572426 6746530 8770489 12205934 12529270 14553229 16431065 17540978 29106458 30514835 32862130 42720769 43852445 61029670 72766145 85441538 87704890 101872603 145532290 189191977 203745206 213603845 378383954 427207690 509363015 945959885 1018726030 1324343839 1891919770 2648687678 6621719195 13243438390
• Sum of all divisors σ(n): 30496112640
• Sum of proper divisors (its aliquot sum) s(n): 17252674250
• 13243438390 is an abundant number, because the sum of its proper divisors (17252674250) is greater than itself. Its abundance is 4009235860

Bases of 13243438390

• Binary: 1100010101010111101101010100110110₂
• Hexadecimal: 0x3155ED536
• Base-36: 630SUGM

Squares and roots of 13243438390

• 13243438390 squared (13243438390²) is 175388660389725792100
• 13243438390 cubed (13243438390³) is 2322748918175966916670298719000
• The square root of 13243438390 is 115080.1389901837
• The cube root of 13243438390 is 2365.9210693915

Scales and comparisons

• 13,243,438,390 seconds is equal to 421 years, 5 weeks, 1 day, 12 hours, 53 minutes, 10 seconds.
• To count from 1 to 13,243,438,390 would take you about eight hundred forty-two 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 13243438390 cubic inches would be around 197.2 feet tall.

Recreational maths with 13243438390

• 13243438390 backwards is 09383434231
• The number of decimal digits it has is: 11
• The sum of 13243438390's digits is 40
• More coming soon!