81076961 (number)

81076961 is an odd 8-digits composite number following 81076960 and preceding 81076962. In scientific notation, it is written as 8.1076961 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 65076480 positive integers (up to 81076961) that are relatively prime to 81076961.

Interesting facts

Basic properties

Name

Name eighty-one million seventy-six thousand nine hundred sixty-one

Notation

Scientific notation 8.1076961 × 10^7
Engineering notation 8.1076961 × 10^6

Prime Factorization of 81076961

Prime Factorization 7 × 17 × 211 × 3229

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81076961
Product of the distinct prime numbers

The prime factorization of 81076961 is 7 × 17 × 211 × 3229. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 13, 89, 215, 384, 4852, 7150, 25775, 86666, 648448, 256717, 8207211, 7568254, 94970737, 82974660, 530069543, 457740007, 7291614082, 6165029368

Basic calculations (n = 81076961)

Multiplication

n×y
n×2 162153922
n×3 243230883
n×4 324307844
n×5 405384805

Division

n÷y
n÷2 40538480.5
n÷3 27025653.666667
n÷3 20269240.25
n÷5 16215392.2

Exponentiation

ny
n2 6573473604995521
n3 5.3295726310675E+23
n4 4.3210555235573E+31
n5 3.5033805016229E+39

Nth Root

y√n
2√n 9004.2745959905
3√n 432.81186101032
4√n 94.89085622962
5√n 38.175039257834

Divisors of 81076961

1, 7, 17, 119, 211, 1477, 3229, 3587, 22603, 25109, 54893, 384251, 681319, 4769233, 11582423, 81076961

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 -81076960
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 81076961 can be divided by 16 positive divisors. The sum of these divisors (counting 81076961) is 1, the average is 0.0625.

Base conversion 81076961

Base System Value
2 Binary 100110101010010001011100001
3 Ternary 12122120010200102
4 Quaternary 10311102023201
5 Quinary 131223430321
6 Senary 12013432145
8 Octal 465221341
10 Decimal 81076961
12 Duodecimal 2319b655
16 Hexadecimal 4d522e1
20 Vigesimal 156ec81
36 Base36 1c9rdt

Cryptographic Hash Functions

md5 bd9361c29f3523a5b0db4874dc833452
sha1 64513a13c59032964e1f7ca349a130832f4ffaa7
sha256 b5a660b60862347e16239b577290dac7b3fc354144d88578092bb0475c0b0db3
sha512 6cbe04c69c101b3f0adba3697ef26db38d7f4b7bb4e82f95d82bb47fdd8192fa5e74497c002449142a7b40b0b480815fe94c6ece225df29c1cf1d329fceaac97
ripemd-160 a11706c5f9bf040c55aff3eff9034188e97bab3c

81076961 as geometric shapes

Circle

Radius = n
Diameter 162153922
Circumference 509421570.10597
Area 2.065117638602E+16

Sphere

Radius = n
Volume 2.2324461632713E+24
Surface area 8.2604705544081E+16
Circumference 509421570.10597

Square

Length = n
Perimeter 324307844
Area 6573473604995521
Diagonal 114660137.84219

Cube

Length = n
Surface area 39440841629973126
Volume 5.3295726310675E+23
Space diagonal 140429415.77528

Equilateral Triangle

Length = n
Perimeter 243230883
Area 2.8463975665163E+15
Altitude 70214707.88764

Triangular Pyramid

Length = n
Surface area 2.8463975665163E+15
Volume 6.2809615804234E+22
Height 38220045.947398