138870361560

Names of 138870361560

• Cardinal: 138870361560 can be written as One hundred thirty-eight billion, eight hundred seventy million, three hundred sixty-one thousand, five hundred sixty.

Scientific notation

• Scientific notation: 1.3887036156 × 10¹¹

Factors of 138870361560

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2264773

Divisors of 138870361560

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 73 84 105 120 140 146 168 210 219 280 292 365 420 438 511 584 730 840 876 1022 1095 1460 1533 1752 2044 2190 2555 2920 3066 4088 4380 5110 6132 7665 8760 10220 12264 15330 20440 30660 61320 2264683 4529366 6794049 9058732 11323415 13588098 15852781 18117464 22646830 27176196 31705562 33970245 45293660 47558343 54352392 63411124 67940490 79263905 90587320 95116686 126822248 135880980 158527810 165321859 190233372 237791715 271761960 317055620 330643718 380466744 475583430 495965577 634111240 661287436 826609295 951166860 991931154 1157253013 1322574872 1653218590 1902333720 1983862308 2314506026 2479827885 3306437180 3471759039 3967724616 4629012052 4959655770 5786265065 6612874360 6943518078 9258024104 9919311540 11572530130 13887036156 17358795195 19838623080 23145060260 27774072312 34717590390 46290120520 69435180780 138870361560
• Sum of all divisors σ(n): 482649454080
• Sum of proper divisors (its aliquot sum) s(n): 343779092520
• 138870361560 is an abundant number, because the sum of its proper divisors (343779092520) is greater than itself. Its abundance is 204908730960

Bases of 138870361560

• Binary: 10000001010101010100011000110111011000₂
• Hexadecimal: 0x2055518DD8
• Base-36: 1RSNTSRC

Squares and roots of 138870361560

• 138870361560 squared (138870361560²) is 19284977319805125633600
• 138870361560 cubed (138870361560³) is 2678111773077737545479256084416000
• The square root of 138870361560 is 372653.1384008459
• The cube root of 138870361560 is 5178.4905581421

Scales and comparisons

• 138,870,361,560 seconds is equal to 4,415 years, 33 weeks, 4 days, 20 hours, 26 minutes.
• To count from 1 to 138,870,361,560 would take you about eight thousand, eight hundred thirty-one 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 138870361560 cubic inches would be around 431.5 feet tall.

Recreational maths with 138870361560

• 138870361560 backwards is 065163078831
• The number of decimal digits it has is: 12
• The sum of 138870361560's digits is 48
• More coming soon!