1338394400

Names of 1338394400

• Cardinal: 1338394400 can be written as One billion, three hundred thirty-eight million, three hundred ninety-four thousand, four hundred.

Scientific notation

• Scientific notation: 1.3383944 × 10⁹

Factors of 1338394400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1414

Divisors of 1338394400

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 70 80 100 112 140 160 175 199 200 224 280 350 398 400 560 700 796 800 995 1120 1201 1393 1400 1592 1990 2402 2786 2800 3184 3980 4804 4975 5572 5600 6005 6368 6965 7960 8407 9608 9950 11144 12010 13930 15920 16814 19216 19900 22288 24020 27860 30025 31840 33628 34825 38432 39800 42035 44576 48040 55720 60050 67256 69650 79600 84070 96080 111440 120100 134512 139300 159200 168140 192160 210175 222880 238999 240200 269024 278600 336280 420350 477998 480400 557200 672560 840700 955996 960800 1114400 1194995 1345120 1672993 1681400 1911992 2389990 3345986 3362800 3823984 4779980 5974975 6691972 6725600 7647968 8364965 9559960 11949950 13383944 16729930 19119920 23899900 26767888 33459860 38239840 41824825 47799800 53535776 66919720 83649650 95599600 133839440 167299300 191199200 267678880 334598600 669197200 1338394400
• Sum of all divisors σ(n): 3756009600
• Sum of proper divisors (its aliquot sum) s(n): 2417615200
• 1338394400 is an abundant number, because the sum of its proper divisors (2417615200) is greater than itself. Its abundance is 1079220800

Bases of 1338394400

• Binary: 1001111110001100100011100100000₂
• Hexadecimal: 0x4FC64720
• Base-36: M4UFQ8

Squares and roots of 1338394400

• 1338394400 squared (1338394400²) is 1791299569951360000
• 1338394400 cubed (1338394400³) is 2397465313145308496384000000
• The square root of 1338394400 is 36584.0730373205
• The cube root of 1338394400 is 1102.0332641477

Scales and comparisons

• 1,338,394,400 seconds is equal to 42 years, 28 weeks, 6 days, 16 hours, 13 minutes, 20 seconds.
• To count from 1 to 1,338,394,400 would take you about eighty-five 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 1338394400 cubic inches would be around 91.8 feet tall.

Recreational maths with 1338394400

• 1338394400 backwards is 0044938331
• 1338394400 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1338394400's digits is 35
• More coming soon!