12840931400

Names of 12840931400

• Cardinal: 12840931400 can be written as Twelve billion, eight hundred forty million, nine hundred thirty-one thousand, four hundred.

Scientific notation

• Scientific notation: 1.28409314 × 10¹⁰

Factors of 12840931400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 14396

Divisors of 12840931400

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 11 20 22 25 37 40 44 50 55 74 88 100 110 121 148 185 200 220 242 275 296 370 407 440 484 550 605 740 814 925 968 1100 1210 1480 1628 1850 2035 2200 2420 3025 3256 3700 4070 4477 4840 6050 7400 8140 8954 10175 12100 14341 16280 17908 20350 22385 24200 28682 35816 40700 44770 57364 71705 81400 89540 111925 114728 143410 157751 179080 223850 286820 315502 358525 447700 530617 573640 631004 717050 788755 895400 1061234 1262008 1434100 1577510 1735261 2122468 2653085 2868200 3155020 3470522 3943775 4244936 5306170 5836787 6310040 6941044 7887550 8676305 10612340 11673574 13265425 13882088 15775100 17352610 21224680 23347148 26530850 29183935 31550200 34705220 43381525 46694296 53061700 58367870 64204657 69410440 86763050 106123400 116735740 128409314 145919675 173526100 233471480 256818628 291839350 321023285 347052200 513637256 583678700 642046570 1167357400 1284093140 1605116425 2568186280 3210232850 6420465700 12840931400
• Sum of all divisors σ(n): 33705277620
• Sum of proper divisors (its aliquot sum) s(n): 20864346220
• 12840931400 is an abundant number, because the sum of its proper divisors (20864346220) is greater than itself. Its abundance is 8023414820

Bases of 12840931400

• Binary: 1011111101011000010001000001001000₂
• Hexadecimal: 0x2FD611048
• Base-36: 5WD5Q2W

Squares and roots of 12840931400

• 12840931400 squared (12840931400²) is 164889519219505960000
• 12840931400 cubed (12840931400³) is 2117335004876657574251144000000
• The square root of 12840931400 is 113317.8335479461
• The cube root of 12840931400 is 2341.7049570675

Scales and comparisons

• 12,840,931,400 seconds is equal to 408 years, 15 weeks, 4 days, 21 hours, 23 minutes, 20 seconds.
• To count from 1 to 12,840,931,400 would take you about eight hundred sixteen 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 12840931400 cubic inches would be around 195.1 feet tall.

Recreational maths with 12840931400

• 12840931400 backwards is 00413904821
• The number of decimal digits it has is: 11
• The sum of 12840931400's digits is 32
• More coming soon!