81301901 (number)

81301901 is an odd 8-digits composite number following 81301900 and preceding 81301902. In scientific notation, it is written as 8.1301901 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 80289792 positive integers (up to 81301901) that are relatively prime to 81301901.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred one thousand nine hundred one

Notation

Scientific notation 8.1301901 × 10^7
Engineering notation 8.1301901 × 10^6

Prime Factorization of 81301901

Prime Factorization 109 × 353 × 2113

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81301901
Product of the distinct prime numbers

The prime factorization of 81301901 is 109 × 353 × 2113. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81301901)

Multiplication

n×y
n×2 162603802
n×3 243905703
n×4 325207604
n×5 406509505

Division

n÷y
n÷2 40650950.5
n÷3 27100633.666667
n÷3 20325475.25
n÷5 16260380.2

Exponentiation

ny
n2 6609999106213801
n3 5.3740549294348E+23
n4 4.3692088184147E+31
n5 3.5522498280308E+39

Nth Root

y√n
2√n 9016.7566785402
3√n 433.21175596538
4√n 94.956604186019
5√n 38.19619836257

Divisors of 81301901

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 -81301900
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 81301901 can be divided by 8 positive divisors. The sum of these divisors (counting 81301901) is 1, the average is 0.125.

Base conversion 81301901

Base System Value
2 Binary 100110110001001000110001101
3 Ternary 12122222120020112
4 Quaternary 10312021012031
5 Quinary 131303130101
6 Senary 12022325405
8 Octal 466110615
10 Decimal 81301901
12 Duodecimal 23289865
16 Hexadecimal 4d8918d
20 Vigesimal 1582ef1
36 Base36 1ceky5

Cryptographic Hash Functions

md5 1e2967261e00869d9a267847b18aa13b
sha1 c6bafac74a19418d35efd85844649ef2e73d7d3e
sha256 4867d1e657550d2147963f80f93d05e89087f3cf2ece8e8c26a50c3f0894c3ec
sha512 cb8c731da574f59e24c10551c39d327d5ebffcb35a2e9f138ddd785b793ad686d60cc19be51d86a96a61b10139c0437965af88ece65f203eb689218898ea73ad
ripemd-160 9f93358d64250bbd7d67836c2df30dc9ecb4e216

81301901 as geometric shapes

Circle

Radius = n
Diameter 162603802
Circumference 510834909.80897
Area 2.0765924632316E+16

Sphere

Radius = n
Volume 2.2510788648401E+24
Surface area 8.3063698529266E+16
Circumference 510834909.80897

Square

Length = n
Perimeter 325207604
Area 6609999106213801
Diagonal 114978251.04091

Cube

Length = n
Surface area 39659994637282806
Volume 5.3740549294348E+23
Space diagonal 140819023.28393

Equilateral Triangle

Length = n
Perimeter 243905703
Area 2.8622135724868E+15
Altitude 70409511.641967

Triangular Pyramid

Length = n
Surface area 2.8622135724868E+15
Volume 6.3333844717873E+22
Height 38326083.680305