20798921 (number)

20798921 is an odd 8-digits composite number following 20798920 and preceding 20798922. In scientific notation, it is written as 2.0798921 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 16977600 positive integers (up to 20798921) that are relatively prime to 20798921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0798921 × 10^7
Engineering notation 2.0798921 × 10^6

Prime Factorization of 20798921

Prime Factorization 481 × 11 × 3931

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20798921
Product of the distinct prime numbers

The prime factorization of 20798921 is 481 × 11 × 3931. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20798921)

Multiplication

n×y
n×2 41597842
n×3 62396763
n×4 83195684
n×5 103994605

Division

n÷y
n÷2 10399460.5
n÷3 6932973.6666667
n÷3 5199730.25
n÷5 4159784.2

Exponentiation

ny
n2 432595114764241
n3 8.9975116169674E+21
n4 1.8713853331789E+29
n5 3.8922795705346E+36

Nth Root

y√n
2√n 4560.583405662
3√n 275.0090178861
4√n 67.532091672493
5√n 29.08092129807

Divisors of 20798921

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20798920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20798921 can be divided by 8 positive divisors. The sum of these divisors (counting 20798921) is 1, the average is 0.125.

Base conversion 20798921

Base System Value
2 Binary 1001111010101110111001001
3 Ternary 1110010200202102
4 Quaternary 1033111313021
5 Quinary 20311031141
6 Senary 2021443145
8 Octal 117256711
10 Decimal 20798921
12 Duodecimal 6b704b5
16 Hexadecimal 13d5dc9
20 Vigesimal 69jh61
36 Base36 cdsjt

Cryptographic Hash Functions

md5 7faf6aa8f02643b9648d685cc9ae57ee
sha1 6a6e9c746ede595b9b11464635e72f765231919e
sha256 2212cef265ee78ec5ddc6f6418f38fdb5971f8309f919d28a7ca230d4100215f
sha512 7f18dc93782f3f3a3d30ce6f78c8f71bb67aa5374b313f1edc333440ca9d30664ce7df74ac9a3ccfd5d5faf7d6fab34ab28568f255875a3ce9fef5451cd11632
ripemd-160 8971ebe54e8bcc15207ba620f5db6d1670bd3575

20798921 as geometric shapes

Circle

Radius = n
Diameter 41597842
Circumference 130683474.83239
Area 1.3590376345222E+15

Sphere

Radius = n
Volume 3.7688688528605E+22
Surface area 5.4361505380887E+15
Circumference 130683474.83239

Square

Length = n
Perimeter 83195684
Area 432595114764241
Diagonal 29414116.160927

Cube

Length = n
Surface area 2595570688585446
Volume 8.9975116169674E+21
Space diagonal 36024787.914611

Equilateral Triangle

Length = n
Perimeter 62396763
Area 1.8731917946944E+14
Altitude 18012393.957306

Triangular Pyramid

Length = n
Surface area 1.8731917946944E+14
Volume 1.0603669130271E+21
Height 9804705.3869755