142305680

Names of 142305680

• Cardinal: 142305680 can be written as One hundred forty-two million, three hundred five thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.4230568 × 10⁸

Factors of 142305680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 320

Divisors of 142305680

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 40 44 55 61 80 88 110 121 122 176 220 241 242 244 305 440 482 484 488 605 610 671 880 964 968 976 1205 1210 1220 1342 1928 1936 2410 2420 2440 2651 2684 3355 3856 4820 4840 4880 5302 5368 6710 7381 9640 9680 10604 10736 13255 13420 14701 14762 19280 21208 26510 26840 29161 29402 29524 36905 42416 53020 53680 58322 58804 59048 73505 73810 106040 116644 117608 118096 145805 147010 147620 161711 212080 233288 235216 291610 294020 295240 323422 466576 583220 588040 590480 646844 808555 1166440 1176080 1293688 1617110 1778821 2332880 2587376 3234220 3557642 6468440 7115284 8894105 12936880 14230568 17788210 28461136 35576420 71152840 142305680
• Sum of all divisors σ(n): 371168952
• Sum of proper divisors (its aliquot sum) s(n): 228863272
• 142305680 is an abundant number, because the sum of its proper divisors (228863272) is greater than itself. Its abundance is 86557592

Bases of 142305680

• Binary: 1000011110110110100110010000₂
• Hexadecimal: 0x87B6990
• Base-36: 2CQ3RK

Squares and roots of 142305680

• 142305680 squared (142305680²) is 20250906560262400
• 142305680 cubed (142305680³) is 2881819028674601810432000
• The square root of 142305680 is 11929.1944405311
• The cube root of 142305680 is 522.0844341139

Scales and comparisons

• 142,305,680 seconds is equal to 4 years, 27 weeks, 2 days, 1 hour, 21 minutes, 20 seconds.
• To count from 1 to 142,305,680 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 142305680 cubic inches would be around 43.5 feet tall.

Recreational maths with 142305680

• 142305680 backwards is 086503241
• The number of decimal digits it has is: 9
• The sum of 142305680's digits is 29
• More coming soon!