135121920

Names of 135121920

• Cardinal: 135121920 can be written as One hundred thirty-five million, one hundred twenty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.3512192 × 10⁸

Factors of 135121920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 492

Divisors of 135121920

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 38 40 48 57 60 64 76 80 95 96 114 120 128 152 160 190 192 228 240 256 285 304 320 380 384 456 463 480 512 570 608 640 760 768 912 926 960 1024 1140 1216 1280 1389 1520 1536 1824 1852 1920 2280 2315 2432 2560 2778 3040 3072 3648 3704 3840 4560 4630 4864 5120 5556 6080 6945 7296 7408 7680 8797 9120 9260 9728 11112 12160 13890 14592 14816 15360 17594 18240 18520 19456 22224 24320 26391 27780 29184 29632 35188 36480 37040 43985 44448 48640 52782 55560 58368 59264 70376 72960 74080 87970 88896 97280 105564 111120 118528 131955 140752 145920 148160 175940 177792 211128 222240 237056 263910 281504 291840 296320 351880 355584 422256 444480 474112 527820 563008 592640 703760 711168 844512 888960 1055640 1126016 1185280 1407520 1422336 1689024 1777920 2111280 2252032 2370560 2815040 3378048 3555840 4222560 4504064 5630080 6756096 7111680 8445120 9008128 11260160 13512192 16890240 22520320 27024384 33780480 45040640 67560960 135121920
• Sum of all divisors σ(n): 455907840
• Sum of proper divisors (its aliquot sum) s(n): 320785920
• 135121920 is an abundant number, because the sum of its proper divisors (320785920) is greater than itself. Its abundance is 185664000

Bases of 135121920

• Binary: 1000000011011100110000000000₂
• Hexadecimal: 0x80DCC00
• Base-36: 28G4QO

Squares and roots of 135121920

• 135121920 squared (135121920²) is 18257933264486400
• 135121920 cubed (135121920³) is 2467046997929270181888000
• The square root of 135121920 is 11624.1954560305
• The cube root of 135121920 is 513.1471673649

Scales and comparisons

• 135,121,920 seconds is equal to 4 years, 15 weeks, 2 days, 21 hours, 52 minutes.
• To count from 1 to 135,121,920 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 135121920 cubic inches would be around 42.8 feet tall.

Recreational maths with 135121920

• 135121920 backwards is 029121531
• 135121920 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 135121920's digits is 24
• More coming soon!