18394132400

Names of 18394132400

• Cardinal: 18394132400 can be written as Eighteen billion, three hundred ninety-four million, one hundred thirty-two thousand, four hundred.

Scientific notation

• Scientific notation: 1.83941324 × 10¹⁰

Factors of 18394132400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6308

Divisors of 18394132400

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 140 175 200 280 350 400 560 700 1321 1400 2642 2800 4973 5284 6605 9247 9946 10568 13210 18494 19892 21136 24865 26420 33025 34811 36988 39784 46235 49730 52840 66050 69622 73976 79568 92470 99460 105680 124325 132100 139244 147952 174055 184940 198920 231175 248650 264200 278488 348110 369880 397840 462350 497300 528400 556976 696220 739760 870275 924700 994600 1392440 1740550 1849400 1989200 2784880 3481100 3698800 6569333 6962200 13138666 13924400 26277332 32846665 45985331 52554664 65693330 91970662 105109328 131386660 164233325 183941324 229926655 262773320 328466650 367882648 459853310 525546640 656933300 735765296 919706620 1149633275 1313866600 1839413240 2299266550 2627733200 3678826480 4598533100 9197066200 18394132400
• Sum of all divisors σ(n): 50553428064
• Sum of proper divisors (its aliquot sum) s(n): 32159295664
• 18394132400 is an abundant number, because the sum of its proper divisors (32159295664) is greater than itself. Its abundance is 13765163264

Bases of 18394132400

• Binary: 10001001000011000000010111110110000₂
• Hexadecimal: 0x448602FB0
• Base-36: 8G7E3E8

Squares and roots of 18394132400

• 18394132400 squared (18394132400²) is 338344106748729760000
• 18394132400 cubed (18394132400³) is 6223546296295868737260224000000
• The square root of 18394132400 is 135624.9696774159
• The cube root of 18394132400 is 2639.7315881075

Scales and comparisons

• 18,394,132,400 seconds is equal to 584 years, 45 weeks, 4 days, 1 hour, 13 minutes, 20 seconds.
• To count from 1 to 18,394,132,400 would take you about one thousand, one hundred sixty-nine 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 18394132400 cubic inches would be around 220 feet tall.

Recreational maths with 18394132400

• 18394132400 backwards is 00423149381
• 18394132400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18394132400's digits is 35
• More coming soon!