20656989 (number)

20656989 is an odd 8-digits composite number following 20656988 and preceding 20656990. In scientific notation, it is written as 2.0656989 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 12165120 positive integers (up to 20656989) that are relatively prime to 20656989.

Interesting facts

Basic properties

Name

Name twenty million six hundred fifty-six thousand nine hundred eighty-nine

Notation

Scientific notation 2.0656989 × 10^7
Engineering notation 2.0656989 × 10^6

Prime Factorization of 20656989

Prime Factorization 9 × 1517 × 17 × 89

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20656989
Product of the distinct prime numbers

The prime factorization of 20656989 is 9 × 1517 × 17 × 89. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 60, 47, 65, 480, 6518, 9147, 44781, 65014, 749574, 867856, 324916, 9456807, 78307049, 84326756, 169451076, 798750731, 5772354054, 8765777655

Basic calculations (n = 20656989)

Multiplication

n×y
n×2 41313978
n×3 61970967
n×4 82627956
n×5 103284945

Division

n÷y
n÷2 10328494.5
n÷3 6885663
n÷3 5164247.25
n÷5 4131397.8

Exponentiation

ny
n2 426711194546121
n3 8.8145684519161E+21
n4 1.8208244355098E+29
n5 3.7612750335257E+36

Nth Root

y√n
2√n 4544.9960396022
3√n 274.38203497234
4√n 67.416585790162
5√n 29.041122828275

Divisors of 20656989

1, 9, 17, 89, 153, 801, 1513, 1517, 13617, 13653, 25789, 135013, 232101, 1215117, 2295221, 20656989

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 -20656988
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 20656989 can be divided by 16 positive divisors. The sum of these divisors (counting 20656989) is 1, the average is 0.0625.

Base conversion 20656989

Base System Value
2 Binary 1001110110011001101011101
3 Ternary 1102212111001200
4 Quaternary 1032303031131
5 Quinary 20242010424
6 Senary 2014430113
8 Octal 116631535
10 Decimal 20656989
12 Duodecimal 6b02339
16 Hexadecimal 13b335d
20 Vigesimal 692299
36 Base36 car19

Cryptographic Hash Functions

md5 3c9f8a133c5b29069f6b859c7bdfce1e
sha1 59a2ba376d0a8b7547e6e41a2f0f4d37027904eb
sha256 7b5686b82315b3cedd0a3fb13eed5df50f09b2b1e5fab48a2141b0f93bee57d4
sha512 4cead555953bcf154e2ef6dd923355436ced61988031b182ded41272720e10074f271d4685c4f256bc958953f31a1ae4f7d1f0d044e988715ede8e8e0f42551d
ripemd-160 aef12a6689c7189f18c4a6ea0ad7babb95e3094e

20656989 as geometric shapes

Circle

Radius = n
Diameter 41313978
Circumference 129791689.77537
Area 1.3405527539906E+15

Sphere

Radius = n
Volume 3.6922377990805E+22
Surface area 5.3622110159625E+15
Circumference 129791689.77537

Square

Length = n
Perimeter 82627956
Area 426711194546121
Diagonal 29213394.001592

Cube

Length = n
Surface area 2560267167276726
Volume 8.8145684519161E+21
Space diagonal 35778954.479391

Equilateral Triangle

Length = n
Perimeter 61970967
Area 1.8477136727807E+14
Altitude 17889477.239696

Triangular Pyramid

Length = n
Surface area 1.8477136727807E+14
Volume 1.0388068542638E+21
Height 9737798.0005306