81453445 (number)

81453445 is an odd 8-digits composite number following 81453444 and preceding 81453446. In scientific notation, it is written as 8.1453445 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 65106624 positive integers (up to 81453445) that are relatively prime to 81453445.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred fifty-three thousand four hundred forty-five

Notation

Scientific notation 8.1453445 × 10^7
Engineering notation 8.1453445 × 10^6

Prime Factorization of 81453445

Prime Factorization 5 × 1277 × 12757

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81453445
Product of the distinct prime numbers

The prime factorization of 81453445 is 5 × 1277 × 12757. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81453445)

Multiplication

n×y
n×2 162906890
n×3 244360335
n×4 325813780
n×5 407267225

Division

n÷y
n÷2 40726722.5
n÷3 27151148.333333
n÷3 20363361.25
n÷5 16290689

Exponentiation

ny
n2 6634663702368025
n3 5.4041621497433E+23
n4 4.401876244352E+31
n5 3.5854798456613E+39

Nth Root

y√n
2√n 9025.1562313347
3√n 433.48075293237
4√n 95.000822266624
5√n 38.210427042779

Divisors of 81453445

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81453444
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81453445 can be divided by 8 positive divisors. The sum of these divisors (counting 81453445) is 1, the average is 0.125.

Base conversion 81453445

Base System Value
2 Binary 100110110101110000110000101
3 Ternary 12200021021010021
4 Quaternary 10312232012011
5 Quinary 131323002240
6 Senary 12025455141
8 Octal 466560605
10 Decimal 81453445
12 Duodecimal 233414b1
16 Hexadecimal 4dae185
20 Vigesimal 1591dc5
36 Base36 1chtvp

Cryptographic Hash Functions

md5 26f65ea08f04e5204febcb6352d34727
sha1 09a8cf760571bfd6416a4cea5540b63653aa38e9
sha256 4bb23ab4a1308158b9961437805e1b9b1ad043f2885668ce2b5aef00215ae4ce
sha512 f25ec8437a3ed16ca25fc9ae27b4dfb81209786bca2f29cbe82819452affffe94d84de5e1d0e9b5094cf8a3064eb52132910e74d4e166a0b4d92e0828bf22910
ripemd-160 11de6b9fbf06923214779e480fdc44033f45fc4f

81453445 as geometric shapes

Circle

Radius = n
Diameter 162906890
Circumference 511787088.84316
Area 2.0843410746398E+16

Sphere

Radius = n
Volume 2.2636901477922E+24
Surface area 8.3373642985593E+16
Circumference 511787088.84316

Square

Length = n
Perimeter 325813780
Area 6634663702368025
Diagonal 115192566.62101

Cube

Length = n
Surface area 39807982214208150
Volume 5.4041621497433E+23
Space diagonal 141081505.19152

Equilateral Triangle

Length = n
Perimeter 244360335
Area 2.8728936559086E+15
Altitude 70540752.595759

Triangular Pyramid

Length = n
Surface area 2.8728936559086E+15
Volume 6.3688661711919E+22
Height 38397522.207004