12123908400

Names of 12123908400

• Cardinal: 12123908400 can be written as Twelve billion, one hundred twenty-three million, nine hundred eight thousand, four hundred.

Scientific notation

• Scientific notation: 1.21239084 × 10¹⁰

Factors of 12123908400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 273108

Divisors of 12123908400

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 37 40 48 50 60 74 75 80 100 111 120 148 150 185 200 222 240 296 300 370 400 444 555 592 600 740 888 925 1110 1200 1480 1776 1850 2220 2775 2960 3700 4440 5550 7400 8880 11100 14800 22200 44400 273061 546122 819183 1092244 1365305 1638366 2184488 2730610 3276732 4095915 4368976 5461220 6553464 6826525 8191830 10103257 10922440 13106928 13653050 16383660 20206514 20479575 21844880 27306100 30309771 32767320 40413028 40959150 50516285 54612200 60619542 65534640 80826056 81918300 101032570 109224400 121239084 151548855 161652112 163836600 202065140 242478168 252581425 303097710 327673200 404130280 484956336 505162850 606195420 757744275 808260560 1010325700 1212390840 1515488550 2020651400 2424781680 3030977100 4041302800 6061954200 12123908400
• Sum of all divisors σ(n): 39886712464
• Sum of proper divisors (its aliquot sum) s(n): 27762804064
• 12123908400 is an abundant number, because the sum of its proper divisors (27762804064) is greater than itself. Its abundance is 15638895664

Bases of 12123908400

• Binary: 1011010010101001000010100100110000₂
• Hexadecimal: 0x2D2A42930
• Base-36: 5KI9FLC

Squares and roots of 12123908400

• 12123908400 squared (12123908400²) is 146989154891590560000
• 12123908400 cubed (12123908400³) is 1782083049699055879744704000000
• The square root of 12123908400 is 110108.6209158939
• The cube root of 12123908400 is 2297.2815014161

Scales and comparisons

• 12,123,908,400 seconds is equal to 385 years, 26 weeks, 1 day, 20 minutes.
• To count from 1 to 12,123,908,400 would take you about seven hundred seventy-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 12123908400 cubic inches would be around 191.4 feet tall.

Recreational maths with 12123908400

• 12123908400 backwards is 00480932121
• 12123908400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12123908400's digits is 30
• More coming soon!