21020797 (number)

21020797 is an odd 8-digits composite number following 21020796 and preceding 21020798. In scientific notation, it is written as 2.1020797 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 17487360 positive integers (up to 21020797) that are relatively prime to 21020797.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1020797 × 10^7
Engineering notation 2.1020797 × 10^6

Prime Factorization of 21020797

Prime Factorization 7 × 47 × 181 × 353

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21020797
Product of the distinct prime numbers

The prime factorization of 21020797 is 7 × 47 × 181 × 353. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 31, 28, 920, 578, 4332, 6737, 68197, 80563, 796870, 89410, 3699084, 9881727, 66214807, 23631799, 795800666, 311814841, 4933097603, 9576113915

Basic calculations (n = 21020797)

Multiplication

n×y
n×2 42041594
n×3 63062391
n×4 84083188
n×5 105103985

Division

n÷y
n÷2 10510398.5
n÷3 7006932.3333333
n÷3 5255199.25
n÷5 4204159.4

Exponentiation

ny
n2 441873906515209
n3 9.2885416884532E+21
n4 1.9525254925901E+29
n5 4.1043642017062E+36

Nth Root

y√n
2√n 4584.8442721645
3√n 275.98346274226
4√n 67.711478141926
5√n 29.142703356522

Divisors of 21020797

1, 7, 47, 181, 329, 353, 1267, 2471, 8507, 16591, 59549, 63893, 116137, 447251, 3002971, 21020797

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 -21020796
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 21020797 can be divided by 16 positive divisors. The sum of these divisors (counting 21020797) is 1, the average is 0.0625.

Base conversion 21020797

Base System Value
2 Binary 1010000001100000001111101
3 Ternary 1110112222010001
4 Quaternary 1100030001331
5 Quinary 20340131142
6 Senary 2030314301
8 Octal 120140175
10 Decimal 21020797
12 Duodecimal 7058991
16 Hexadecimal 140c07d
20 Vigesimal 6b7bjh
36 Base36 cijr1

Cryptographic Hash Functions

md5 1eb3045cd6bba14ab41dac7ed57dc327
sha1 3222a4d3756981b6c75fd3b4cdc17ccb5778c600
sha256 62d43fae888599c8a378b03f96b07ab7c63bbe9fb351c4e3e1ea6731ca0a8713
sha512 8bfa3dfa0b8e2d45557ea547a187ca24cd3458943547210ba6f3667ced41013b47fa9c6d4db401ce53f0d4ff1aff82ae08ba9a27749d4587d1f7d38e86ade949
ripemd-160 e1379ff8b671b3b59fa012e1efcdd522c36ef6a7

21020797 as geometric shapes

Circle

Radius = n
Diameter 42041594
Circumference 132077562.8556
Area 1.3881878185212E+15

Sphere

Radius = n
Volume 3.8907752441343E+22
Surface area 5.5527512740848E+15
Circumference 132077562.8556

Square

Length = n
Perimeter 84083188
Area 441873906515209
Diagonal 29727896.209292

Cube

Length = n
Surface area 2651243439091254
Volume 9.2885416884532E+21
Space diagonal 36409088.419591

Equilateral Triangle

Length = n
Perimeter 63062391
Area 1.9133701415582E+14
Altitude 18204544.209796

Triangular Pyramid

Length = n
Surface area 1.9133701415582E+14
Volume 1.0946651358732E+21
Height 9909298.7364306