20021915 (number)

20021915 is an odd 8-digits composite number following 20021914 and preceding 20021916. In scientific notation, it is written as 2.0021915 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 15108192 positive integers (up to 20021915) that are relatively prime to 20021915.

Interesting facts

Basic properties

Name

Name twenty million twenty-one thousand nine hundred fifteen

Notation

Scientific notation 2.0021915 × 10^7
Engineering notation 2.0021915 × 10^6

Prime Factorization of 20021915

Prime Factorization 5 × 19 × 419 × 503

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20021915
Product of the distinct prime numbers

The prime factorization of 20021915 is 5 × 19 × 419 × 503. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 44, 99, 774, 926, 4344, 3021, 36935, 4536, 514705, 130506, 2621172, 5225955, 39111140, 80394200, 262570219, 252611980, 6272522304, 9774974358

Basic calculations (n = 20021915)

Multiplication

n×y
n×2 40043830
n×3 60065745
n×4 80087660
n×5 100109575

Division

n÷y
n÷2 10010957.5
n÷3 6673971.6666667
n÷3 5005478.75
n÷5 4004383

Exponentiation

ny
n2 400877080267225
n3 8.0263268265586E+21
n4 1.6070243348358E+29
n5 3.2175704635013E+36

Nth Root

y√n
2√n 4474.5854556596
3√n 271.54086957258
4√n 66.892342279663
5√n 28.860318702127

Divisors of 20021915

1, 5, 19, 95, 419, 503, 2095, 2515, 7961, 9557, 39805, 47785, 210757, 1053785, 4004383, 20021915

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 -20021914
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 20021915 can be divided by 16 positive divisors. The sum of these divisors (counting 20021915) is 1, the average is 0.0625.

Base conversion 20021915

Base System Value
2 Binary 1001100011000001010011011
3 Ternary 1101200012220102
4 Quaternary 1030120022123
5 Quinary 20111200130
6 Senary 1553050015
8 Octal 114301233
10 Decimal 20021915
12 Duodecimal 685690b
16 Hexadecimal 131829b
20 Vigesimal 652eff
36 Base36 bx50b

Cryptographic Hash Functions

md5 580aa26544ed4accce25695e108fb1e2
sha1 fdaa3a547bdf8d1324bff5afcf13c9c6eb2c466b
sha256 64fa642c1ef13bf374cbe1c4a2bd2b31be14b459ebd8af993fbd2ca869d20618
sha512 20168af04fff5d043804fa39ea207d5cc6686018591d82348152238af50b1dde2e44556a494401c5e4a02b415b70049ce9822acac391d6cec06f652e3133c378
ripemd-160 9f7699f6279381723a3feed469b2910c9b1c4ab1

20021915 as geometric shapes

Circle

Radius = n
Diameter 40043830
Circumference 125801402.1496
Area 1.25939249036E+15

Sphere

Radius = n
Volume 3.3620599191503E+22
Surface area 5.0375699614402E+15
Circumference 125801402.1496

Square

Length = n
Perimeter 80087660
Area 400877080267225
Diagonal 28315263.737681

Cube

Length = n
Surface area 2405262481603350
Volume 8.0263268265586E+21
Space diagonal 34678974.044825

Equilateral Triangle

Length = n
Perimeter 60065745
Area 1.7358486765318E+14
Altitude 17339487.022413

Triangular Pyramid

Length = n
Surface area 1.7358486765318E+14
Volume 9.4591168784651E+20
Height 9438421.2458938