81492574 (number)

81492574 is an even 8-digits composite number following 81492573 and preceding 81492575. In scientific notation, it is written as 8.1492574 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 39506400 positive integers (up to 81492574) that are relatively prime to 81492574.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-two thousand five hundred seventy-four

Notation

Scientific notation 8.1492574 × 10^7
Engineering notation 8.1492574 × 10^6

Prime Factorization of 81492574

Prime Factorization 2 × 37 × 311 × 3541

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81492574
Product of the distinct prime numbers

The prime factorization of 81492574 is 2 × 37 × 311 × 3541. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 74, 30, 569, 53, 8317, 9664, 81627, 17245, 389914, 413670, 6146157, 4605029, 83777280, 35460892, 231465985, 235106913, 9506970212, 7167706930

Basic calculations (n = 81492574)

Multiplication

n×y
n×2 162985148
n×3 244477722
n×4 325970296
n×5 407462870

Division

n÷y
n÷2 40746287
n÷3 27164191.333333
n÷3 20373143.5
n÷5 16298514.8

Exponentiation

ny
n2 6641039617145476
n3 5.4119541243716E+23
n4 4.4103407196496E+31
n5 3.5941001746126E+39

Nth Root

y√n
2√n 9027.3237451639
3√n 433.55015434756
4√n 95.01222945055
5√n 38.214097479521

Divisors of 81492574

1, 2, 37, 74, 311, 622, 3541, 7082, 11507, 23014, 131017, 262034, 1101251, 2202502, 40746287, 81492574

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81492573
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81492574 can be divided by 16 positive divisors. The sum of these divisors (counting 81492574) is 1, the average is 0.0625.

Base conversion 81492574

Base System Value
2 Binary 100110110110111101001011110
3 Ternary 12200100020210111
4 Quaternary 10312313221132
5 Quinary 131330230244
6 Senary 12030400234
8 Octal 466675136
10 Decimal 81492574
12 Duodecimal 2336007a
16 Hexadecimal 4db7a5e
20 Vigesimal 1596b8e
36 Base36 1cio2m

Cryptographic Hash Functions

md5 23d62d595e87b813ed775c6d483f3f69
sha1 4c080ef80d63f5a5fb8ce7111ca786ad3e29d221
sha256 d061f08f362bbace1ca5108c06d71cdc1f96668d37e03b5e24f5d8455f86988c
sha512 67310ab92c4c06e21e69c907dba6e8466e78b3fc13d841b4913ed7949ac1d50227d327010941a80ded34425dcaa4726cddd8b700abd79b42b445f5e1360654a1
ripemd-160 2fc52e1b6bc0ab7fc982713cb98045cd2a843121

81492574 as geometric shapes

Circle

Radius = n
Diameter 162985148
Circumference 512032943.60105
Area 2.0863441273423E+16

Sphere

Radius = n
Volume 2.2669540424921E+24
Surface area 8.3453765093692E+16
Circumference 512032943.60105

Square

Length = n
Perimeter 325970296
Area 6641039617145476
Diagonal 115247903.38349

Cube

Length = n
Surface area 39846237702872856
Volume 5.4119541243716E+23
Space diagonal 141149278.60757

Equilateral Triangle

Length = n
Perimeter 244477722
Area 2.8756545079934E+15
Altitude 70574639.303783

Triangular Pyramid

Length = n
Surface area 2.8756545079934E+15
Volume 6.3780491013561E+22
Height 38415967.794498