20398420 (number)

20398420 is an even 8-digits composite number following 20398419 and preceding 20398421. In scientific notation, it is written as 2.0398420 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 6993696 positive integers (up to 20398420) that are relatively prime to 20398420.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-eight thousand four hundred twenty

Notation

Scientific notation 2.0398420 × 10^7
Engineering notation 2.0398420 × 10^6

Prime Factorization of 20398420

Prime Factorization 2 × 2 × 7 × 5 × 145703

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10199210
Product of the distinct prime numbers

The prime factorization of 20398420 is 2 × 2 × 7 × 5 × 145703. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 7, 70, 97, 227, 24, 1599, 7037, 5394, 18756, 732154, 42976, 669794, 3911295, 9027974, 93087799, 501803892, 579417795, 4198336259, 1646337624

Basic calculations (n = 20398420)

Multiplication

n×y
n×2 40796840
n×3 61195260
n×4 81593680
n×5 101992100

Division

n÷y
n÷2 10199210
n÷3 6799473.3333333
n÷3 5099605
n÷5 4079684

Exponentiation

ny
n2 416095538496400
n3 8.4876915543757E+21
n4 1.7313549715661E+29
n5 3.5316905879093E+36

Nth Root

y√n
2√n 4516.4610039277
3√n 273.23238720644
4√n 67.204620406098
5√n 28.96805296814

Divisors of 20398420

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145703, 291406, 582812, 728515, 1019921, 1457030, 2039842, 2914060, 4079684, 5099605, 10199210, 20398420

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20398419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20398420 can be divided by 24 positive divisors. The sum of these divisors (counting 20398420) is 1, the average is 0.041666666666667.

Base conversion 20398420

Base System Value
2 Binary 1001101110100000101010100
3 Ternary 1102101100101001
4 Quaternary 1031310011110
5 Quinary 20210222140
6 Senary 2005113044
8 Octal 115640524
10 Decimal 20398420
12 Duodecimal 69b8784
16 Hexadecimal 1374154
20 Vigesimal 679g10
36 Base36 c57is

Cryptographic Hash Functions

md5 34a772f288f4d590831ecb8a5ac4461c
sha1 cc326265a036c0a446b13582a76271a51c0e9c18
sha256 b86b552d4c0731e71f42a90ebeac25b128df3944128e2f0722783b99ec43e852
sha512 5c47a0d1811f70e1f874ca08385959acf8685f91ff44c0bc0da45d743074911fd2702616fdfc45fb43b10b98b029390234c1002c5b9ee3315a38c2408d615cd0
ripemd-160 e47002ae843da0d6a4f82dfd6cf2206f2ff32665

20398420 as geometric shapes

Circle

Radius = n
Diameter 40796840
Circumference 128167052.83368
Area 1.3072026869318E+15

Sphere

Radius = n
Volume 3.5553159244217E+22
Surface area 5.2288107477271E+15
Circumference 128167052.83368

Square

Length = n
Perimeter 81593680
Area 416095538496400
Diagonal 28847722.214983

Cube

Length = n
Surface area 2496573230978400
Volume 8.4876915543757E+21
Space diagonal 35331099.834129

Equilateral Triangle

Length = n
Perimeter 61195260
Area 1.8017465336962E+14
Altitude 17665549.917065

Triangular Pyramid

Length = n
Surface area 1.8017465336962E+14
Volume 1.0002840424531E+21
Height 9615907.4049942