81301904 (number)

81301904 is an even 8-digits composite number following 81301903 and preceding 81301905. In scientific notation, it is written as 8.1301904 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 10 positive divisors. There are 40650944 positive integers (up to 81301904) that are relatively prime to 81301904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1301904 × 10^7
Engineering notation 8.1301904 × 10^6

Prime Factorization of 81301904

Prime Factorization 2 × 2 × 2 × 2 × 5081369

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10162738
Product of the distinct prime numbers

The prime factorization of 81301904 is 2 × 2 × 2 × 2 × 5081369. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 5, 51, 33, 977, 997, 4062, 6062, 27221, 16342, 154415, 819294, 7365663, 9619808, 52846218, 17758732, 201171379, 861051561, 2072443493, 9413552550

Basic calculations (n = 81301904)

Multiplication

n×y
n×2 162603808
n×3 243905712
n×4 325207616
n×5 406509520

Division

n÷y
n÷2 40650952
n÷3 27100634.666667
n÷3 20325476
n÷5 16260380.8

Exponentiation

ny
n2 6609999594025216
n3 5.3740555243348E+23
n4 4.3692094633014E+31
n5 3.5522504834122E+39

Nth Root

y√n
2√n 9016.7568448972
3√n 433.21176129381
4√n 94.956605061982
5√n 38.196198644454

Divisors of 81301904

1, 2, 4, 8, 16, 5081369, 10162738, 20325476, 40650952, 81301904

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81301903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81301904 can be divided by 10 positive divisors. The sum of these divisors (counting 81301904) is 1, the average is 0.1.

Base conversion 81301904

Base System Value
2 Binary 100110110001001000110010000
3 Ternary 12122222120020122
4 Quaternary 10312021012100
5 Quinary 131303130104
6 Senary 12022325412
8 Octal 466110620
10 Decimal 81301904
12 Duodecimal 23289868
16 Hexadecimal 4d89190
20 Vigesimal 1582ef4
36 Base36 1ceky8

Cryptographic Hash Functions

md5 14c6f6732e769407c922fe7c63c3d219
sha1 996aced15e03c8508f5f734a07689ae82d8a1400
sha256 72ff013320154beadf25c9533ff5658b79629f19d1a595669971c8e121d75036
sha512 a1e1e1cfe31ced815e406a9c704f9f54c6e2d818735c3f30046e0413ecb161ca81c58cbaa0a25e5d608ce0fca28b453a0e4b04e445bb7ed5794e114b301b00ba
ripemd-160 f124feb364458686fa581d1e241b9a6ad097f50d

81301904 as geometric shapes

Circle

Radius = n
Diameter 162603808
Circumference 510834928.65853
Area 2.0765926164821E+16

Sphere

Radius = n
Volume 2.2510791140312E+24
Surface area 8.3063704659285E+16
Circumference 510834928.65853

Square

Length = n
Perimeter 325207616
Area 6609999594025216
Diagonal 114978255.28356

Cube

Length = n
Surface area 39659997564151296
Volume 5.3740555243348E+23
Space diagonal 140819028.48009

Equilateral Triangle

Length = n
Perimeter 243905712
Area 2.8622137837153E+15
Altitude 70409514.240044

Triangular Pyramid

Length = n
Surface area 2.8622137837153E+15
Volume 6.3333851728836E+22
Height 38326085.094518