81347897 (number)

81347897 is an odd 8-digits prime number following 81347896 and preceding 81347898. In scientific notation, it is written as 8.1347897 × 10^7. The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors. There are 81347896 positive integers (up to 81347897) that are relatively prime to 81347897.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred forty-seven thousand eight hundred ninety-seven

Notation

Scientific notation 8.1347897 × 10^7
Engineering notation 8.1347897 × 10^6

Prime Factorization of 81347897

Prime Factorization 81347897

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 81347897
Product of the distinct prime numbers

The prime factorization of 81347897 is 81347897. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81347897)

Multiplication

n×y
n×2 162695794
n×3 244043691
n×4 325391588
n×5 406739485

Division

n÷y
n÷2 40673948.5
n÷3 27115965.666667
n÷3 20336974.25
n÷5 16269579.4

Exponentiation

ny
n2 6617480346322609
n3 5.3831810961218E+23
n4 4.3791046133966E+31
n5 3.5623095104281E+39

Nth Root

y√n
2√n 9019.3069024177
3√n 433.29343610322
4√n 94.970031601646
5√n 38.200519232999

Divisors of 81347897

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 81347898
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 40673949
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 9019.3069578544
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999754142
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81347897 can be divided by 2 positive divisors. The sum of these divisors (counting 81347897) is 81347898, the average is 40673949.

Base conversion 81347897

Base System Value
2 Binary 100110110010100010100111001
3 Ternary 12200001220100002
4 Quaternary 10312110110321
5 Quinary 131311113042
6 Senary 12023322345
8 Octal 466242471
10 Decimal 81347897
12 Duodecimal 232b03b5
16 Hexadecimal 4d94539
20 Vigesimal 15889eh
36 Base36 1cfkft

Cryptographic Hash Functions

md5 33cbbbbba4bd7979a7d9b90bed7f14fb
sha1 2a832748c192c1fd2e44e4b518aaa264eb879ca6
sha256 18abf9c8b65f8154ff3391816d56fde289e7b200e53a37fa73e4ec56c305e3aa
sha512 e9dca4def4d76d93b67e8f0c1cd8878a5e987a87ccd563194a2770b3fa243c432a68729d9e06f14710505e680e6f5545b6b1717fa4a2f5e24f3ff8b63690a6ec
ripemd-160 2b560f6e9ac2bbcb9f27ca6b274dbbd3324e1dd9

81347897 as geometric shapes

Circle

Radius = n
Diameter 162695794
Circumference 511123911.20036
Area 2.0789427641282E+16

Sphere

Radius = n
Volume 2.2549016246026E+24
Surface area 8.3157710565128E+16
Circumference 511123911.20036

Square

Length = n
Perimeter 325391588
Area 6617480346322609
Diagonal 115043299.20793

Cube

Length = n
Surface area 39704882077935654
Volume 5.3831810961218E+23
Space diagonal 140898690.69288

Equilateral Triangle

Length = n
Perimeter 244043691
Area 2.8654530444798E+15
Altitude 70449345.34644

Triangular Pyramid

Length = n
Surface area 2.8654530444798E+15
Volume 6.3441397623715E+22
Height 38347766.402643