81013090 (number)

81013090 is an even 8-digits composite number following 81013089 and preceding 81013091. In scientific notation, it is written as 8.1013090 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors. There are 32118016 positive integers (up to 81013090) that are relatively prime to 81013090.

Interesting facts

Basic properties

Name

Name eighty-one million thirteen thousand ninety

Notation

Scientific notation 8.1013090 × 10^7
Engineering notation 8.1013090 × 10^6

Prime Factorization of 81013090

Prime Factorization 2 × 5 × 113 × 71693

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81013090
Product of the distinct prime numbers

The prime factorization of 81013090 is 2 × 5 × 113 × 71693. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 23, 58, 881, 99, 3270, 698, 44178, 99469, 340959, 695474, 3576921, 523151, 65648461, 58364624, 140761809, 675254127, 4539056693, 8006587178

Basic calculations (n = 81013090)

Multiplication

n×y
n×2 162026180
n×3 243039270
n×4 324052360
n×5 405065450

Division

n÷y
n÷2 40506545
n÷3 27004363.333333
n÷3 20253272.5
n÷5 16202618

Exponentiation

ny
n2 6563120751348100
n3 5.3169869210983E+23
n4 4.3074553996776E+31
n5 3.4896027196507E+39

Nth Root

y√n
2√n 9000.7271928439
3√n 432.69817730208
4√n 94.872162370444
5√n 38.169022637086

Divisors of 81013090

1, 2, 5, 10, 113, 226, 565, 1130, 71693, 143386, 358465, 716930, 8101309, 16202618, 40506545, 81013090

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 -81013089
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 81013090 can be divided by 16 positive divisors. The sum of these divisors (counting 81013090) is 1, the average is 0.0625.

Base conversion 81013090

Base System Value
2 Binary 100110101000010100101100010
3 Ternary 12122102220001211
4 Quaternary 10311002211202
5 Quinary 131214404330
6 Senary 12012220334
8 Octal 465024542
10 Decimal 81013090
12 Duodecimal 2316a6aa
16 Hexadecimal 4d42962
20 Vigesimal 1566cea
36 Base36 1c8e3m

Cryptographic Hash Functions

md5 9ca2da2e552c0da0514eb0c7e03750d4
sha1 9d78a4539896e8ad46b643c95cfa43686c096e3f
sha256 b8df103a381378588b04cc78d9fb08dbe4bd2f6e22eacfed83340376c81440ea
sha512 e4bcd191f571451f62eaaf453e7d3b9fdc5ab748dbf4168c6ba160841c2760b1b79c7ac41c18ae84e42373c3ecae2286ff17c71fd82c6bb8a142c524fd526492
ripemd-160 0e0ed13df59502f3e20ae927764f749e60ce6dd3

81013090 as geometric shapes

Circle

Radius = n
Diameter 162026180
Circumference 509020256.77722
Area 2.0618651937058E+16

Sphere

Radius = n
Volume 2.2271742734074E+24
Surface area 8.2474607748232E+16
Circumference 509020256.77722

Square

Length = n
Perimeter 324052360
Area 6563120751348100
Diagonal 114569810.60775

Cube

Length = n
Surface area 39378724508088600
Volume 5.3169869210983E+23
Space diagonal 140318787.95815

Equilateral Triangle

Length = n
Perimeter 243039270
Area 2.8419146493861E+15
Altitude 70159393.979075

Triangular Pyramid

Length = n
Surface area 2.8419146493861E+15
Volume 6.2661291789813E+22
Height 38189936.869251