81970166 (number)

81970166 is an even 8-digits composite number following 81970165 and preceding 81970167. In scientific notation, it is written as 8.1970166 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 40889560 positive integers (up to 81970166) that are relatively prime to 81970166.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1970166 × 10^7
Engineering notation 8.1970166 × 10^6

Prime Factorization of 81970166

Prime Factorization 2 × 431 × 95093

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81970166
Product of the distinct prime numbers

The prime factorization of 81970166 is 2 × 431 × 95093. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81970166)

Multiplication

n×y
n×2 163940332
n×3 245910498
n×4 327880664
n×5 409850830

Division

n÷y
n÷2 40985083
n÷3 27323388.666667
n÷3 20492541.5
n÷5 16394033.2

Exponentiation

ny
n2 6719108114067556
n3 5.5076640748206E+23
n4 4.5146413848528E+31
n5 3.7006590374686E+39

Nth Root

y√n
2√n 9053.7376812011
3√n 434.39545386838
4√n 95.151130740528
5√n 38.25878403769

Divisors of 81970166

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 -81970165
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 81970166 can be divided by 8 positive divisors. The sum of these divisors (counting 81970166) is 1, the average is 0.125.

Base conversion 81970166

Base System Value
2 Binary 100111000101100001111110110
3 Ternary 12201020111221002
4 Quaternary 10320230033312
5 Quinary 131441021131
6 Senary 12044523302
8 Octal 470541766
10 Decimal 81970166
12 Duodecimal 23550532
16 Hexadecimal 4e2c3f6
20 Vigesimal 15c6586
36 Base36 1cswl2

Cryptographic Hash Functions

md5 8f1d67c494b639015db1eac759ab110a
sha1 ce2da349f3f6298800e279c431ad7740d59eaabb
sha256 c84d44a1d694c8d388b2716dd8c36ee04eace711fbef4de65056b713956b4fa3
sha512 645e67b20b4d09c6e32116787c82ceaa77106faac714a9205fc2ed4fd34a7c364f397d72205b284873476d1d1daf9c4a25451beed8adf13992eb13053e84b698
ripemd-160 9495f499429c77f8a4e849d91b3de07e113c7f86

81970166 as geometric shapes

Circle

Radius = n
Diameter 163940332
Circumference 515033742.63827
Area 2.110870068983E+16

Sphere

Radius = n
Volume 2.3070449327863E+24
Surface area 8.4434802759321E+16
Circumference 515033742.63827

Square

Length = n
Perimeter 327880664
Area 6719108114067556
Diagonal 115923320.46717

Cube

Length = n
Surface area 40314648684405336
Volume 5.5076640748206E+23
Space diagonal 141976492.21685

Equilateral Triangle

Length = n
Perimeter 245910498
Area 2.9094591587783E+15
Altitude 70988246.108427

Triangular Pyramid

Length = n
Surface area 2.9094591587783E+15
Volume 6.490844359672E+22
Height 38641106.822391