135087680

Names of 135087680

• Cardinal: 135087680 can be written as One hundred thirty-five million, eighty-seven thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.3508768 × 10⁸

Factors of 135087680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4666

Divisors of 135087680

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 64 65 70 80 91 104 112 130 140 160 182 208 224 260 280 320 364 416 448 455 520 560 728 832 910 1040 1120 1456 1820 2080 2240 2912 3640 4160 4639 5824 7280 9278 14560 18556 23195 29120 32473 37112 46390 60307 64946 74224 92780 120614 129892 148448 162365 185560 241228 259784 296896 301535 324730 371120 422149 482456 519568 603070 649460 742240 844298 964912 1039136 1206140 1298920 1484480 1688596 1929824 2078272 2110745 2412280 2597840 3377192 3859648 4221490 4824560 5195680 6754384 8442980 9649120 10391360 13508768 16885960 19298240 27017536 33771920 67543840 135087680
• Sum of all divisors σ(n): 395996160
• Sum of proper divisors (its aliquot sum) s(n): 260908480
• 135087680 is an abundant number, because the sum of its proper divisors (260908480) is greater than itself. Its abundance is 125820800

Bases of 135087680

• Binary: 1000000011010100011001000000₂
• Hexadecimal: 0x80D4640
• Base-36: 28FEBK

Squares and roots of 135087680

• 135087680 squared (135087680²) is 18248681287782400
• 135087680 cubed (135087680³) is 2465172018225936760832000
• The square root of 135087680 is 11622.7225726161
• The cube root of 135087680 is 513.1038197391

Scales and comparisons

• 135,087,680 seconds is equal to 4 years, 15 weeks, 2 days, 12 hours, 21 minutes, 20 seconds.
• To count from 1 to 135,087,680 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 135087680 cubic inches would be around 42.8 feet tall.

Recreational maths with 135087680

• 135087680 backwards is 086780531
• The number of decimal digits it has is: 9
• The sum of 135087680's digits is 38
• More coming soon!