138343553280

Names of 138343553280

• Cardinal: 138343553280 can be written as One hundred thirty-eight billion, three hundred forty-three million, five hundred fifty-three thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.3834355328 × 10¹¹

Factors of 138343553280

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 239

Divisors of 138343553280

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 229 240 256 288 320 360 384 458 480 576 640 687 720 768 916 960 1145 1152 1280 1374 1440 1832 1920 2061 2290 2304 2748 2880 3435 3664 3840 4122 4580 5496 5760 6870 7328 8244 9160 10305 10992 11520 13740 14656 16488 18320 20610 21984 27480 29312 32976 36640 41220 43968 52441 54960 58624 65952 73280 82440 87936 104882 109920 131904 146560 157323 164880 175872 209764 219840 262205 263808 293120 314646 329760 419528 439680 471969 524410 527616 629292 659520 786615 839056 879360 943938 1048820 1258584 1319040 1573230 1678112 1887876 2097640 2359845 2517168 2638080 3146460 3356224 3775752 4195280 4719690 5034336 6292920 6712448 7551504 8390560 9439380 10068672 12008989 12585840 13424896 15103008 16781120 18878760 20137344 24017978 25171680 30206016 33562240 36026967 37757520 40274688 48035956 50343360 60044945 60412032 67124480 72053934 75515040 96071912 100686720 108080901 120089890 120824064 144107868 151030080 180134835 192143824 201373440 216161802 240179780 288215736 302060160 360269670 384287648 432323604 480359560 540404505 576431472 604120320 720539340 768575296 864647208 960719120 1080809010 1152862944 1441078680 1537150592 1729294416 1921438240 2161618020 2305725888 2882157360 3074301184 3458588832 3842876480 4323236040 4611451776 5764314720 6917177664 7685752960 8646472080 9222903552 11528629440 13834355328 15371505920 17292944160 23057258880 27668710656 34585888320 46114517760 69171776640 138343553280
• Sum of all divisors σ(n): 480753644280
• Sum of proper divisors (its aliquot sum) s(n): 342410091000
• 138343553280 is an abundant number, because the sum of its proper divisors (342410091000) is greater than itself. Its abundance is 204066537720

Bases of 138343553280

• Binary: 10000000110101111010110001100100000000₂
• Hexadecimal: 0x2035EB1900
• Base-36: 1RJY6GW0

Squares and roots of 138343553280

• 138343553280 squared (138343553280²) is 19138938734136198758400
• 138343553280 cubed (138343553280³) is 2647748790488626967709380247552000
• The square root of 138343553280 is 371945.6321560989
• The cube root of 138343553280 is 5171.9340147303

Scales and comparisons

• 138,343,553,280 seconds is equal to 4,398 years, 46 weeks, 4 days, 12 hours, 48 minutes.
• To count from 1 to 138,343,553,280 would take you about eight thousand, seven hundred ninety-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 138343553280 cubic inches would be around 431 feet tall.

Recreational maths with 138343553280

• 138343553280 backwards is 082355343831
• 138343553280 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138343553280's digits is 45
• More coming soon!