1213250040

Names of 1213250040

• Cardinal: 1213250040 can be written as One billion, two hundred thirteen million, two hundred fifty thousand and forty.

Scientific notation

• Scientific notation: 1.21325004 × 10⁹

Factors of 1213250040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 308

Divisors of 1213250040

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 59 60 72 90 118 120 177 180 236 239 295 354 360 472 478 531 590 708 717 885 956 1062 1180 1195 1416 1434 1770 1912 2124 2151 2360 2390 2655 2868 3540 3585 4248 4302 4780 5310 5736 7080 7170 8604 9560 10620 10755 14101 14340 17208 21240 21510 28202 28680 42303 43020 56404 57121 70505 84606 86040 112808 114242 126909 141010 169212 171363 211515 228484 253818 282020 285605 338424 342726 423030 456968 507636 514089 564040 571210 634545 685452 846060 856815 1015272 1028178 1142420 1269090 1370904 1692120 1713630 2056356 2284840 2538180 2570445 3370139 3427260 4112712 5076360 5140890 6740278 6854520 10110417 10281780 13480556 16850695 20220834 20563560 26961112 30331251 33701390 40441668 50552085 60662502 67402780 80883336 101104170 121325004 134805560 151656255 202208340 242650008 303312510 404416680 606625020 1213250040
• Sum of all divisors σ(n): 4026742200
• Sum of proper divisors (its aliquot sum) s(n): 2813492160
• 1213250040 is an abundant number, because the sum of its proper divisors (2813492160) is greater than itself. Its abundance is 1600242120

Bases of 1213250040

• Binary: 1001000010100001011100111111000₂
• Hexadecimal: 0x4850B9F8
• Base-36: K2C5Q0

Squares and roots of 1213250040

• 1213250040 squared (1213250040²) is 1471975659560001600
• 1213250040 cubed (1213250040³) is 1785874527840198323600064000
• The square root of 1213250040 is 34831.7389746765
• The cube root of 1213250040 is 1066.5554471711

Scales and comparisons

• 1,213,250,040 seconds is equal to 38 years, 30 weeks, 5 hours, 54 minutes.
• To count from 1 to 1,213,250,040 would take you about seventy-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 1213250040 cubic inches would be around 88.9 feet tall.

Recreational maths with 1213250040

• 1213250040 backwards is 0400523121
• 1213250040 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1213250040's digits is 18
• More coming soon!