12855254720

Names of 12855254720

• Cardinal: 12855254720 can be written as Twelve billion, eight hundred fifty-five million, two hundred fifty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.285525472 × 10¹⁰

Factors of 12855254720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 521748

Divisors of 12855254720

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 64 70 77 80 88 110 112 140 154 160 176 220 224 280 308 320 352 385 440 448 560 616 704 770 880 1120 1232 1540 1760 2240 2464 3080 3520 4928 6160 12320 24640 521723 1043446 2086892 2608615 3652061 4173784 5217230 5738953 7304122 8347568 10434460 11477906 14608244 16695136 18260305 20868920 22955812 28694765 29216488 33390272 36520610 40172671 41737840 45911624 57389530 58432976 73041220 80345342 83475680 91823248 114779060 116865952 146082440 160690684 166951360 183646496 200863355 229558120 233731904 292164880 321381368 367292992 401726710 459116240 584329760 642762736 803453420 918232480 1168659520 1285525472 1606906840 1836464960 2571050944 3213813680 6427627360 12855254720
• Sum of all divisors σ(n): 38165154048
• Sum of proper divisors (its aliquot sum) s(n): 25309899328
• 12855254720 is an abundant number, because the sum of its proper divisors (25309899328) is greater than itself. Its abundance is 12454644608

Bases of 12855254720

• Binary: 1011111110001110111001111011000000₂
• Hexadecimal: 0x2FE3B9EC0
• Base-36: 5WLOQ0W

Squares and roots of 12855254720

• 12855254720 squared (12855254720²) is 165257573916082278400
• 12855254720 cubed (12855254720³) is 2124428207100465593309954048000
• The square root of 12855254720 is 113381.0156948685
• The cube root of 12855254720 is 2342.5753125765

Scales and comparisons

• 12,855,254,720 seconds is equal to 408 years, 39 weeks, 2 days, 16 hours, 5 minutes, 20 seconds.
• To count from 1 to 12,855,254,720 would take you about eight hundred seventeen 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 12855254720 cubic inches would be around 195.2 feet tall.

Recreational maths with 12855254720

• 12855254720 backwards is 02745255821
• The number of decimal digits it has is: 11
• The sum of 12855254720's digits is 41
• More coming soon!