131191380

Names of 131191380

• Cardinal: 131191380 can be written as One hundred thirty-one million, one hundred ninety-one thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.3119138 × 10⁸

Factors of 131191380

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 519

Divisors of 131191380

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 20 27 30 31 34 36 45 51 54 60 62 68 85 90 93 102 108 124 135 153 155 170 180 186 204 255 270 279 306 310 340 372 459 461 465 510 527 540 558 612 620 765 837 918 922 930 1020 1054 1116 1383 1395 1530 1581 1674 1836 1844 1860 2108 2295 2305 2635 2766 2790 3060 3162 3348 4149 4185 4590 4610 4743 5270 5532 5580 6324 6915 7837 7905 8298 8370 9180 9220 9486 10540 12447 13830 14229 14291 15674 15810 16596 16740 18972 20745 23511 23715 24894 27660 28458 28582 31348 31620 39185 41490 42873 47022 47430 49788 56916 57164 62235 70533 71145 71455 78370 82980 85746 94044 94860 117555 124470 128619 141066 142290 142910 156740 171492 211599 214365 235110 242947 248940 257238 282132 284580 285820 352665 385857 423198 428730 470220 485894 514476 643095 705330 728841 771714 846396 857460 971788 1057995 1214735 1286190 1410660 1457682 1543428 1929285 2115990 2186523 2429470 2572380 2915364 3644205 3858570 4231980 4373046 4858940 6559569 7288410 7717140 8746092 10932615 13119138 14576820 21865230 26238276 32797845 43730460 65595690 131191380
• Sum of all divisors σ(n): 447068160
• Sum of proper divisors (its aliquot sum) s(n): 315876780
• 131191380 is an abundant number, because the sum of its proper divisors (315876780) is greater than itself. Its abundance is 184685400

Bases of 131191380

• Binary: 111110100011101001001010100₂
• Hexadecimal: 0x7D1D254
• Base-36: 263VX0

Squares and roots of 131191380

• 131191380 squared (131191380²) is 17211178186304400
• 131191380 cubed (131191380³) is 2257958217687171336072000
• The square root of 131191380 is 11453.8805651185
• The cube root of 131191380 is 508.1225085321

Scales and comparisons

• 131,191,380 seconds is equal to 4 years, 8 weeks, 6 days, 10 hours, 3 minutes.
• To count from 1 to 131,191,380 would take you about six 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 131191380 cubic inches would be around 42.3 feet tall.

Recreational maths with 131191380

• 131191380 backwards is 083191131
• 131191380 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 131191380's digits is 27
• More coming soon!