81742013 (number)

81742013 is an odd 8-digits composite number following 81742012 and preceding 81742014. In scientific notation, it is written as 8.1742013 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 80401920 positive integers (up to 81742013) that are relatively prime to 81742013.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred forty-two thousand thirteen

Notation

Scientific notation 8.1742013 × 10^7
Engineering notation 8.1742013 × 10^6

Prime Factorization of 81742013

Prime Factorization 61 × 1340033

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81742013
Product of the distinct prime numbers

The prime factorization of 81742013 is 61 × 1340033. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81742013)

Multiplication

n×y
n×2 163484026
n×3 245226039
n×4 326968052
n×5 408710065

Division

n÷y
n÷2 40871006.5
n÷3 27247337.666667
n÷3 20435503.25
n÷5 16348402.6

Exponentiation

ny
n2 6681756689292169
n3 5.4618024215896E+23
n4 4.4645872454901E+31
n5 3.6494434866048E+39

Nth Root

y√n
2√n 9041.1289671147
3√n 433.99205213842
4√n 95.084851407123
5√n 38.237462644105

Divisors of 81742013

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81742012
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81742013 can be divided by 4 positive divisors. The sum of these divisors (counting 81742013) is 1, the average is 0.25.

Base conversion 81742013

Base System Value
2 Binary 100110111110100100010111101
3 Ternary 12200210220221222
4 Quaternary 10313310202331
5 Quinary 131411221023
6 Senary 12040003125
8 Octal 467644275
10 Decimal 81742013
12 Duodecimal 234604a5
16 Hexadecimal 4df48bd
20 Vigesimal 15ahf0d
36 Base36 1co0jh

Cryptographic Hash Functions

md5 834ded9602f9571271cf56b2960e8a61
sha1 556ecd52105bb0cfce372d68d0d201219a200b04
sha256 44f56aead32a74e84491b82cf433eed934f47fe7272111f7da9795a258175b1e
sha512 60cf0b05377eb15397015841efc1eee9ff450053647a491e58ba0d9175bb33fedb2673e038db26e49b44ec261231cd917b4a99ef985a88fccdfe9585a616dbb3
ripemd-160 e8c17254c8167e344eb7cd47db2751464aa3adc7

81742013 as geometric shapes

Circle

Radius = n
Diameter 163484026
Circumference 513600215.06088
Area 2.0991357728155E+16

Sphere

Radius = n
Volume 2.2878344484033E+24
Surface area 8.3965430912619E+16
Circumference 513600215.06088

Square

Length = n
Perimeter 326968052
Area 6681756689292169
Diagonal 115600663.40028

Cube

Length = n
Surface area 40090540135753014
Volume 5.4618024215896E+23
Space diagonal 141581319.62896

Equilateral Triangle

Length = n
Perimeter 245226039
Area 2.8932855174168E+15
Altitude 70790659.814478

Triangular Pyramid

Length = n
Surface area 2.8932855174168E+15
Volume 6.4367958830118E+22
Height 38533554.466759