42155368920

Names of 42155368920

• Cardinal: 42155368920 can be written as Forty-two billion, one hundred fifty-five million, three hundred sixty-eight thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 4.215536892 × 10¹⁰

Factors of 42155368920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5576124

Divisors of 42155368920

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 63 70 72 84 90 105 108 120 126 135 140 168 180 189 210 216 252 270 280 315 360 378 420 504 540 630 756 840 945 1080 1260 1512 1890 2520 3780 7560 5576107 11152214 16728321 22304428 27880535 33456642 39032749 44608856 50184963 55761070 66913284 78065498 83641605 100369926 111522140 117098247 133826568 150554889 156130996 167283210 195163745 200739852 223044280 234196494 250924815 301109778 312261992 334566420 351294741 390327490 401479704 468392988 501849630 585491235 602219556 669132840 702589482 752774445 780654980 936785976 1003699260 1053884223 1170982470 1204439112 1405178964 1505548890 1561309960 1756473705 2007398520 2107768446 2341964940 2810357928 3011097780 3512947410 4215536892 4683929880 5269421115 6022195560 7025894820 8431073784 10538842230 14051789640 21077684460 42155368920
• Sum of all divisors σ(n): 160591910400
• Sum of proper divisors (its aliquot sum) s(n): 118436541480
• 42155368920 is an abundant number, because the sum of its proper divisors (118436541480) is greater than itself. Its abundance is 76281172560

Bases of 42155368920

• Binary: 100111010000101001111110000111011000₂
• Hexadecimal: 0x9D0A7E1D8
• Base-36: JD67UU0

Squares and roots of 42155368920

• 42155368920 squared (42155368920²) is 1777075128781301966400
• 42155368920 cubed (42155368920³) is 74913257652332294391513444288000
• The square root of 42155368920 is 205317.7267553875
• The cube root of 42155368920 is 3480.3076125225

Scales and comparisons

• 42,155,368,920 seconds is equal to 1,340 years, 21 weeks, 2 days, 8 hours, 42 minutes.
• To count from 1 to 42,155,368,920 would take you about two thousand, six hundred eighty 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 42155368920 cubic inches would be around 290 feet tall.

Recreational maths with 42155368920

• 42155368920 backwards is 02986355124
• 42155368920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 42155368920's digits is 45
• More coming soon!