81342620 (number)

81342620 is an even 8-digits composite number following 81342619 and preceding 81342621. In scientific notation, it is written as 8.1342620 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors. There are 30622976 positive integers (up to 81342620) that are relatively prime to 81342620.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred forty-two thousand six hundred twenty

Notation

Scientific notation 8.1342620 × 10^7
Engineering notation 8.1342620 × 10^6

Prime Factorization of 81342620

Prime Factorization 2 × 2 × 5 × 17 × 239243

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40671310
Product of the distinct prime numbers

The prime factorization of 81342620 is 2 × 2 × 5 × 17 × 239243. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 2, 2, 19, 112, 374, 8430, 9436, 47327, 66692, 319072, 827561, 1006353, 8111373, 1486702, 98919358, 211544241, 798544482, 6022435299, 5833070271

Basic calculations (n = 81342620)

Multiplication

n×y
n×2 162685240
n×3 244027860
n×4 325370480
n×5 406713100

Division

n÷y
n÷2 40671310
n÷3 27114206.666667
n÷3 20335655
n÷5 16268524

Exponentiation

ny
n2 6616621828464400
n3 5.3821335507648E+23
n4 4.3779684420912E+31
n5 3.5611542335701E+39

Nth Root

y√n
2√n 9019.0143585649
3√n 433.28406671982
4√n 94.968491398805
5√n 38.200023610178

Divisors of 81342620

1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 239243, 478486, 956972, 1196215, 2392430, 4067131, 4784860, 8134262, 16268524, 20335655, 40671310, 81342620

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81342619
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81342620 can be divided by 24 positive divisors. The sum of these divisors (counting 81342620) is 1, the average is 0.041666666666667.

Base conversion 81342620

Base System Value
2 Binary 100110110010011000010011100
3 Ternary 12200001122002122
4 Quaternary 10312103002130
5 Quinary 131310430440
6 Senary 12023242112
8 Octal 466230234
10 Decimal 81342620
12 Duodecimal 232a9338
16 Hexadecimal 4d9309c
20 Vigesimal 1587gb0
36 Base36 1cfgd8

Cryptographic Hash Functions

md5 d875311f925c9d7fc3a0a0995f5b6f85
sha1 702bf978fd1fbe612b2ff80b2033ad65cb63c399
sha256 a1ef13e3ea6863a51acf1adc4127c007c31bdf63f7a943b3c8a106cb7ba6dd36
sha512 d5f07ab26a0cf0c0748c7f62f26c5ddfc79e5d0b4349d283637075e36dd7df158e1f8f7fd604716e4ca300be248f17209743d388abe2668b8a8d0698ee677308
ripemd-160 6b7df22d1a35f93f9f449501ba6626c2df43a5d2

81342620 as geometric shapes

Circle

Radius = n
Diameter 162685240
Circumference 511090754.83149
Area 2.0786730527886E+16

Sphere

Radius = n
Volume 2.2544628298296E+24
Surface area 8.3146922111542E+16
Circumference 511090754.83149

Square

Length = n
Perimeter 325370480
Area 6616621828464400
Diagonal 115035836.40296

Cube

Length = n
Surface area 39699730970786400
Volume 5.3821335507648E+23
Space diagonal 140889550.66077

Equilateral Triangle

Length = n
Perimeter 244027860
Area 2.8650812953424E+15
Altitude 70444775.330384

Triangular Pyramid

Length = n
Surface area 2.8650812953424E+15
Volume 6.3429052183291E+22
Height 38345278.800987