81490116 (number)

81490116 is an even 8-digits composite number following 81490115 and preceding 81490117. In scientific notation, it is written as 8.1490116 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 26226592 positive integers (up to 81490116) that are relatively prime to 81490116.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety thousand one hundred sixteen

Notation

Scientific notation 8.1490116 × 10^7
Engineering notation 8.1490116 × 10^6

Prime Factorization of 81490116

Prime Factorization 2 × 2 × 3 × 29 × 234167

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40745058
Product of the distinct prime numbers

The prime factorization of 81490116 is 2 × 2 × 3 × 29 × 234167. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 7, 61, 65, 835, 767, 899, 2267, 11608, 86825, 789168, 740320, 3751618, 9474829, 37010555, 37289968, 582650929, 722717716, 7011832919, 636834885

Basic calculations (n = 81490116)

Multiplication

n×y
n×2 162980232
n×3 244470348
n×4 325960464
n×5 407450580

Division

n÷y
n÷2 40745058
n÷3 27163372
n÷3 20372529
n÷5 16298023.2

Exponentiation

ny
n2 6640639005693456
n3 5.4114644288808E+23
n4 4.4098086403937E+31
n5 3.5935581764349E+39

Nth Root

y√n
2√n 9027.1876019057
3√n 433.54579535327
4√n 95.011512996614
5√n 38.21386695205

Divisors of 81490116

1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348, 234167, 468334, 702501, 936668, 1405002, 2810004, 6790843, 13581686, 20372529, 27163372, 40745058, 81490116

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81490115
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81490116 can be divided by 24 positive divisors. The sum of these divisors (counting 81490116) is 1, the average is 0.041666666666667.

Base conversion 81490116

Base System Value
2 Binary 100110110110111000011000100
3 Ternary 12200100010102110
4 Quaternary 10312313003010
5 Quinary 131330140431
6 Senary 12030341020
8 Octal 466670304
10 Decimal 81490116
12 Duodecimal 2335a770
16 Hexadecimal 4db70c4
20 Vigesimal 159655g
36 Base36 1cim6c

Cryptographic Hash Functions

md5 2b446b2af1986f9ede8ccbbd8df75d69
sha1 9caf6625b51c113a0fd1f517801eb1f24c14d148
sha256 c18cb3c10f4de997685374e15007c2a12125737106a40ad44abf308174710eb7
sha512 4c542959e08ebee729ab814fb59ae16a3fd43ef8034959ef985baaf35ba92b375bab62c6b427c26786378b7a86de34798c3a2973a625dd1f744110b58c589120
ripemd-160 fe62b2581bd668f5b011c89527c98eb1e7e837c5

81490116 as geometric shapes

Circle

Radius = n
Diameter 162980232
Circumference 512017499.53156
Area 2.0862182715428E+16

Sphere

Radius = n
Volume 2.2667489193246E+24
Surface area 8.3448730861714E+16
Circumference 512017499.53156

Square

Length = n
Perimeter 325960464
Area 6640639005693456
Diagonal 115244427.24656

Cube

Length = n
Surface area 39843834034160736
Volume 5.4114644288808E+23
Space diagonal 141145021.22668

Equilateral Triangle

Length = n
Perimeter 244470348
Area 2.8754810381462E+15
Altitude 70572510.613341

Triangular Pyramid

Length = n
Surface area 2.8754810381462E+15
Volume 6.3774719896857E+22
Height 38414809.082186