90865981 (number)

90865981 is an odd 8-digits composite number following 90865980 and preceding 90865982. In scientific notation, it is written as 9.0865981 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 90764892 positive integers (up to 90865981) that are relatively prime to 90865981.

Interesting facts

Basic properties

Name

Name ninety million eight hundred sixty-five thousand nine hundred eighty-one

Notation

Scientific notation 9.0865981 × 10^7
Engineering notation 9.0865981 × 10^6

Prime Factorization of 90865981

Prime Factorization 907 × 100183

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 90865981
Product of the distinct prime numbers

The prime factorization of 90865981 is 907 × 100183. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 90865981)

Multiplication

n×y
n×2 181731962
n×3 272597943
n×4 363463924
n×5 454329905

Division

n÷y
n÷2 45432990.5
n÷3 30288660.333333
n÷3 22716495.25
n÷5 18173196.2

Exponentiation

ny
n2 8256626503092361
n3 7.5024646695409E+23
n4 6.8171881211567E+31
n5 6.1945048629045E+39

Nth Root

y√n
2√n 9532.364921676
3√n 449.57322665815
4√n 97.63383082557
5√n 39.055325699469

Divisors of 90865981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -90865980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 90865981 can be divided by 4 positive divisors. The sum of these divisors (counting 90865981) is 1, the average is 0.25.

Base conversion 90865981

Base System Value
2 Binary 101011010101000000100111101
3 Ternary 20022222110200201
4 Quaternary 11122220010331
5 Quinary 141230202411
6 Senary 13003323501
8 Octal 532500475
10 Decimal 90865981
12 Duodecimal 26520591
16 Hexadecimal 56a813d
20 Vigesimal 187i4j1
36 Base36 1i3kn1

Cryptographic Hash Functions

md5 f79e848eafd2119010acb04a0e12f97a
sha1 832e1b2c4e77cf3d4e32aaa08a936512f753bbe3
sha256 ddc55fb00ee63c1c0a6187a386dd5e9c578558bcb0c5eee3459b24b1156a275f
sha512 258a67425c7dcf9b8571de06b6355428752e5ade0c0ae1a4b3daa787f17dc6eb599a14db28337d63957352c6a5a16bc4c8754fac51a5078c929b6664c6ea08ee
ripemd-160 5b1b323b727b076b8ac444bdb3c0fc884ad335b6

90865981 as geometric shapes

Circle

Radius = n
Diameter 181731962
Circumference 570927796.74166
Area 2.593895716555E+16

Sphere

Radius = n
Volume 3.1426250519529E+24
Surface area 1.037558286622E+17
Circumference 570927796.74166

Square

Length = n
Perimeter 363463924
Area 8256626503092361
Diagonal 128503902.68854

Cube

Length = n
Surface area 49539759018554166
Volume 7.5024646695409E+23
Space diagonal 157384495.77159

Equilateral Triangle

Length = n
Perimeter 272597943
Area 3.5752241506189E+15
Altitude 78692247.885794

Triangular Pyramid

Length = n
Surface area 3.5752241506189E+15
Volume 8.8417394057414E+22
Height 42834634.229512