81222907 (number)

81222907 is an odd 8-digits composite number following 81222906 and preceding 81222908. In scientific notation, it is written as 8.1222907 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 81204480 positive integers (up to 81222907) that are relatively prime to 81222907.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred twenty-two thousand nine hundred seven

Notation

Scientific notation 8.1222907 × 10^7
Engineering notation 8.1222907 × 10^6

Prime Factorization of 81222907

Prime Factorization 7297 × 11131

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81222907
Product of the distinct prime numbers

The prime factorization of 81222907 is 7297 × 11131. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81222907)

Multiplication

n×y
n×2 162445814
n×3 243668721
n×4 324891628
n×5 406114535

Division

n÷y
n÷2 40611453.5
n÷3 27074302.333333
n÷3 20305726.75
n÷5 16244581.4

Exponentiation

ny
n2 6597160621530649
n3 5.3584056362665E+23
n4 4.3522528266275E+31
n5 3.5350262657765E+39

Nth Root

y√n
2√n 9012.3752141153
3√n 433.07140574704
4√n 94.93353050485
5√n 38.188773090126

Divisors of 81222907

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 -81222906
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 81222907 can be divided by 4 positive divisors. The sum of these divisors (counting 81222907) is 1, the average is 0.25.

Base conversion 81222907

Base System Value
2 Binary 100110101110101110011111011
3 Ternary 12122211112212211
4 Quaternary 10311311303323
5 Quinary 131243113112
6 Senary 12020515551
8 Octal 465656373
10 Decimal 81222907
12 Duodecimal 2324bbb7
16 Hexadecimal 4d75cfb
20 Vigesimal 157ch57
36 Base36 1ccvzv

Cryptographic Hash Functions

md5 8f3c80592b314a01078f9c2fde1f0783
sha1 6f367c825e5cc86cc88786196885c0c3a35b229f
sha256 ffc4b591f2048fb25b993347451bcb3ad5cba7e5bc47e223464b07a456f7e25c
sha512 da57ae7a093d726c164df70dfb8027f6590af3cd0116b91c1eb61fff07c16e008f14dc562d616b7d8a59118ea43f24bf567c651a2f2524879392651acc1866af
ripemd-160 873adad69d9a7f6c25b1001bf4184dbac1927a8f

81222907 as geometric shapes

Circle

Radius = n
Diameter 162445814
Circumference 510338575.86881
Area 2.0725591343153E+16

Sphere

Radius = n
Volume 2.2445237042465E+24
Surface area 8.290236537261E+16
Circumference 510338575.86881

Square

Length = n
Perimeter 324891628
Area 6597160621530649
Diagonal 114866536.65477

Cube

Length = n
Surface area 39582963729183894
Volume 5.3584056362665E+23
Space diagonal 140682201.66244

Equilateral Triangle

Length = n
Perimeter 243668721
Area 2.8566543455459E+15
Altitude 70341100.831221

Triangular Pyramid

Length = n
Surface area 2.8566543455459E+15
Volume 6.3149416029204E+22
Height 38288845.55159