31380804

Names of 31380804

• Cardinal: 31380804 can be written as Thirty-one million, three hundred eighty thousand, eight hundred four.

Scientific notation

• Scientific notation: 3.1380804 × 10⁷

Factors of 31380804

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 159

Divisors of 31380804

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 31 36 39 42 52 54 62 63 78 84 91 93 103 108 117 124 126 156 182 186 189 206 217 234 252 273 279 309 351 364 372 378 403 412 434 468 546 558 618 651 702 721 756 806 819 837 868 927 1092 1116 1209 1236 1302 1339 1404 1442 1612 1638 1674 1854 1953 2163 2418 2457 2604 2678 2781 2821 2884 3193 3276 3348 3627 3708 3906 4017 4326 4836 4914 5356 5562 5642 5859 6386 6489 7254 7812 8034 8463 8652 9373 9579 9828 10881 11124 11284 11718 12051 12772 12978 14508 16068 16926 18746 19158 19467 21762 22351 23436 24102 25389 25956 28119 28737 33852 36153 37492 38316 38934 41509 43524 44702 48204 50778 56238 57474 67053 72306 76167 77868 83018 84357 86211 89404 101556 112476 114948 124527 134106 144612 152334 166036 168714 172422 201159 249054 253071 268212 290563 304668 337428 344844 373581 402318 498108 506142 581126 603477 747162 804636 871689 1012284 1120743 1162252 1206954 1494324 1743378 2241486 2413908 2615067 3486756 4482972 5230134 7845201 10460268 15690402 31380804
• Sum of all divisors σ(n): 104366080
• Sum of proper divisors (its aliquot sum) s(n): 72985276
• 31380804 is an abundant number, because the sum of its proper divisors (72985276) is greater than itself. Its abundance is 41604472

Bases of 31380804

• Binary: 1110111101101010101000100₂
• Hexadecimal: 0x1DED544
• Base-36: IOLL0

Squares and roots of 31380804

• 31380804 squared (31380804²) is 984754859686416
• 31380804 cubed (31380804³) is 30902399239866921958464
• The square root of 31380804 is 5601.8571920391
• The cube root of 31380804 is 315.4191246243

Scales and comparisons

• 31,380,804 seconds is equal to 51 weeks, 6 days, 4 hours, 53 minutes, 24 seconds.
• To count from 1 to 31,380,804 would take you about twenty-five weeks!

  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 31380804 cubic inches would be around 26.3 feet tall.

Recreational maths with 31380804

• 31380804 backwards is 40808313
• 31380804 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 31380804's digits is 27
• More coming soon!