90721906 (number)

90721906 is an even 8-digits composite number following 90721905 and preceding 90721907. In scientific notation, it is written as 9.0721906 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 41007600 positive integers (up to 90721906) that are relatively prime to 90721906.

Interesting facts

Basic properties

Name

Name ninety million seven hundred twenty-one thousand nine hundred six

Notation

Scientific notation 9.0721906 × 10^7
Engineering notation 9.0721906 × 10^6

Prime Factorization of 90721906

Prime Factorization 2 × 11 × 181 × 22783

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 90721906
Product of the distinct prime numbers

The prime factorization of 90721906 is 2 × 11 × 181 × 22783. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 33, 17, 661, 544, 9434, 1080, 6505, 45634, 35372, 326461, 7959304, 9339337, 91083181, 93178485, 368289276, 571679355, 1741096906, 9002874182

Basic calculations (n = 90721906)

Multiplication

n×y
n×2 181443812
n×3 272165718
n×4 362887624
n×5 453609530

Division

n÷y
n÷2 45360953
n÷3 30240635.333333
n÷3 22680476.5
n÷5 18144381.2

Exponentiation

ny
n2 8230464228272836
n3 7.4668340205373E+23
n4 6.7740541412879E+31
n5 6.1455510304483E+39

Nth Root

y√n
2√n 9524.8047749022
3√n 449.33548999034
4√n 97.595106306117
5√n 39.042932792602

Divisors of 90721906

1, 2, 11, 22, 181, 362, 1991, 3982, 22783, 45566, 250613, 501226, 4123723, 8247446, 45360953, 90721906

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 -90721905
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 90721906 can be divided by 16 positive divisors. The sum of these divisors (counting 90721906) is 1, the average is 0.0625.

Base conversion 90721906

Base System Value
2 Binary 101011010000100111001110010
3 Ternary 20022201011001121
4 Quaternary 11122010321302
5 Quinary 141211100111
6 Senary 13000252454
8 Octal 532047162
10 Decimal 90721906
12 Duodecimal 2647112a
16 Hexadecimal 5684e72
20 Vigesimal 18704f6
36 Base36 1i0hgy

Cryptographic Hash Functions

md5 89e0d89143f811c2acd6717b444de21a
sha1 8b2905a8ec9a173a1b6832ced93591ef5b8fdff2
sha256 afc1419718f134efd36153aaf7e8e40c11622f1022114090acaceb094d42bccf
sha512 46899d01b6395a55e0223271fc8e6cc6ea78e0c6f2a095e8a45b1e6b28120b7a30053bd2fe9aefe6a69afda37be45aa70e6b851b5f1a3ead5b6b220cd8dc3e9d
ripemd-160 d1e2a5ba44bd22e0f1fe4669b23cae5f33d3a3b8

90721906 as geometric shapes

Circle

Radius = n
Diameter 181443812
Circumference 570022546.81853
Area 2.5856765955176E+16

Sphere

Radius = n
Volume 3.1277001205992E+24
Surface area 1.034270638207E+17
Circumference 570022546.81853

Square

Length = n
Perimeter 362887624
Area 8230464228272836
Diagonal 128300149.86954

Cube

Length = n
Surface area 49382785369637016
Volume 7.4668340205373E+23
Space diagonal 157134950.55149

Equilateral Triangle

Length = n
Perimeter 272165718
Area 3.5638955533117E+15
Altitude 78567475.275744

Triangular Pyramid

Length = n
Surface area 3.5638955533117E+15
Volume 8.7997482831939E+22
Height 42766716.623179