81076938 (number)

81076938 is an even 8-digits composite number following 81076937 and preceding 81076939. In scientific notation, it is written as 8.1076938 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 26983440 positive integers (up to 81076938) that are relatively prime to 81076938.

Interesting facts

Basic properties

Name

Name eighty-one million seventy-six thousand nine hundred thirty-eight

Notation

Scientific notation 8.1076938 × 10^7
Engineering notation 8.1076938 × 10^6

Prime Factorization of 81076938

Prime Factorization 2 × 3 × 661 × 20443

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81076938
Product of the distinct prime numbers

The prime factorization of 81076938 is 2 × 3 × 661 × 20443. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 95, 56, 10, 237, 8136, 2581, 22492, 69062, 629820, 738063, 9072592, 9973325, 54852049, 85244062, 94092860, 232464961, 519241261, 8967926581

Basic calculations (n = 81076938)

Multiplication

n×y
n×2 162153876
n×3 243230814
n×4 324307752
n×5 405384690

Division

n÷y
n÷2 40538469
n÷3 27025646
n÷3 20269234.5
n÷5 16215387.6

Exponentiation

ny
n2 6573469875455844
n3 5.329568095372E+23
n4 4.3210506203525E+31
n5 3.5033755324118E+39

Nth Root

y√n
2√n 9004.2733188192
3√n 432.81182008347
4√n 94.890849499935
5√n 38.175037091927

Divisors of 81076938

1, 2, 3, 6, 661, 1322, 1983, 3966, 20443, 40886, 61329, 122658, 13512823, 27025646, 40538469, 81076938

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81076937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81076938 can be divided by 16 positive divisors. The sum of these divisors (counting 81076938) is 1, the average is 0.0625.

Base conversion 81076938

Base System Value
2 Binary 100110101010010001011001010
3 Ternary 12122120010122120
4 Quaternary 10311102023022
5 Quinary 131223430223
6 Senary 12013432110
8 Octal 465221312
10 Decimal 81076938
12 Duodecimal 2319b636
16 Hexadecimal 4d522ca
20 Vigesimal 156ec6i
36 Base36 1c9rd6

Cryptographic Hash Functions

md5 b7276e9730c2ff6bcfba9c72c9cb9286
sha1 1f5fd6b57b7a20c1991cf9c0a6f77d29c8c1042a
sha256 751f4ef34b848a19fe791f474d697932235a95b6b36c9747a8dab8ba44322258
sha512 13bc62eb52182d75f9c577b0937d9cdf481293862b1fd646f72d0aef1ca5fdda799e078aecc96aa9979507bff2563cac093069cd7124a077741a0a0922b79a3c
ripemd-160 83a236b989b4bbdbb61e63962b802e508a5f363c

81076938 as geometric shapes

Circle

Radius = n
Diameter 162153876
Circumference 509421425.59271
Area 2.0651164669326E+16

Sphere

Radius = n
Volume 2.2324442633636E+24
Surface area 8.2604658677304E+16
Circumference 509421425.59271

Square

Length = n
Perimeter 324307752
Area 6573469875455844
Diagonal 114660105.31528

Cube

Length = n
Surface area 39440819252735064
Volume 5.329568095372E+23
Space diagonal 140429375.93811

Equilateral Triangle

Length = n
Perimeter 243230814
Area 2.8463959515782E+15
Altitude 70214687.969056

Triangular Pyramid

Length = n
Surface area 2.8463959515782E+15
Volume 6.280956235055E+22
Height 38220035.105094