81490508 (number)

81490508 is an even 8-digits composite number following 81490507 and preceding 81490509. In scientific notation, it is written as 8.1490508 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 37041120 positive integers (up to 81490508) that are relatively prime to 81490508.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety thousand five hundred eight

Notation

Scientific notation 8.1490508 × 10^7
Engineering notation 8.1490508 × 10^6

Prime Factorization of 81490508

Prime Factorization 2 × 2 × 11 × 1852057

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40745254
Product of the distinct prime numbers

The prime factorization of 81490508 is 2 × 2 × 11 × 1852057. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 54, 46, 145, 574, 3194, 5131, 15141, 68991, 98135, 532154, 358413, 7997338, 58774453, 4616925, 185971988, 414117189, 610903067, 2302323095

Basic calculations (n = 81490508)

Multiplication

n×y
n×2 162981016
n×3 244471524
n×4 325962032
n×5 407452540

Division

n÷y
n÷2 40745254
n÷3 27163502.666667
n÷3 20372627
n÷5 16298101.6

Exponentiation

ny
n2 6640702894098064
n3 5.4115425231712E+23
n4 4.4098934927682E+31
n5 3.5936446095158E+39

Nth Root

y√n
2√n 9027.2093140682
3√n 433.54649052829
4√n 95.011627257237
5√n 38.213903716771

Divisors of 81490508

1, 2, 4, 11, 22, 44, 1852057, 3704114, 7408228, 20372627, 40745254, 81490508

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81490507
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81490508 can be divided by 12 positive divisors. The sum of these divisors (counting 81490508) is 1, the average is 0.083333333333333.

Base conversion 81490508

Base System Value
2 Binary 100110110110111001001001100
3 Ternary 12200100010221222
4 Quaternary 10312313021030
5 Quinary 131330144013
6 Senary 12030342512
8 Octal 466671114
10 Decimal 81490508
12 Duodecimal 2335aa38
16 Hexadecimal 4db724c
20 Vigesimal 1596658
36 Base36 1cimh8

Cryptographic Hash Functions

md5 064b88c9237f5c5ef347e757e76497fb
sha1 e41585991c786eb1676a961d90edad5708217d54
sha256 67f149e74b8f44e7c0cd7e62d814d6751a97f50567200f31e4dd8e913fc67154
sha512 0971523ba3849537715ad6f907e731c5b766d005a5c24a31de12e4ba6a49069d34a0a79843dba367ccce2c2069c61339adae76ead69660c1accdbe97c0baa205
ripemd-160 01ebd05233318634e9c727c8e45f87ed33792ffe

81490508 as geometric shapes

Circle

Radius = n
Diameter 162981016
Circumference 512019962.5402
Area 2.0862383426771E+16

Sphere

Radius = n
Volume 2.2667816313845E+24
Surface area 8.3449533707084E+16
Circumference 512019962.5402

Square

Length = n
Perimeter 325962032
Area 6640702894098064
Diagonal 115244981.61827

Cube

Length = n
Surface area 39844217364588384
Volume 5.4115425231712E+23
Space diagonal 141145700.1906

Equilateral Triangle

Length = n
Perimeter 244471524
Area 2.8755087026369E+15
Altitude 70572850.095299

Triangular Pyramid

Length = n
Surface area 2.8755087026369E+15
Volume 6.3775640246895E+22
Height 38414993.872758