20402839 (number)

20402839 is an odd 8-digits composite number following 20402838 and preceding 20402840. In scientific notation, it is written as 2.0402839 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 19202656 positive integers (up to 20402839) that are relatively prime to 20402839.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand eight hundred thirty-nine

Notation

Scientific notation 2.0402839 × 10^7
Engineering notation 2.0402839 × 10^6

Prime Factorization of 20402839

Prime Factorization 17 × 1200167

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20402839
Product of the distinct prime numbers

The prime factorization of 20402839 is 17 × 1200167. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 3, 43, 39, 346, 199, 9286, 6199, 98273, 10492, 948313, 989366, 7757058, 4792528, 21909988, 24332505, 606866448, 437627115, 3477806944, 6365188699

Basic calculations (n = 20402839)

Multiplication

n×y
n×2 40805678
n×3 61208517
n×4 81611356
n×5 102014195

Division

n÷y
n÷2 10201419.5
n÷3 6800946.3333333
n÷3 5100709.75
n÷5 4080567.8

Exponentiation

ny
n2 416275839259921
n3 8.49320892801E+21
n4 1.7328557435155E+29
n5 3.5355176745172E+36

Nth Root

y√n
2√n 4516.9501879033
3√n 273.2521162956
4√n 67.208259819038
5√n 28.969307954898

Divisors of 20402839

1, 17, 1200167, 20402839

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20402838
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20402839 can be divided by 4 positive divisors. The sum of these divisors (counting 20402839) is 1, the average is 0.25.

Base conversion 20402839

Base System Value
2 Binary 1001101110101001010010111
3 Ternary 1102101120102201
4 Quaternary 1031311022113
5 Quinary 20210342324
6 Senary 2005145331
8 Octal 115651227
10 Decimal 20402839
12 Duodecimal 69bb247
16 Hexadecimal 1375297
20 Vigesimal 67a71j
36 Base36 c5axj

Cryptographic Hash Functions

md5 6f654d5b1e97accc4cfd8b3a96a04859
sha1 18a39fd4d284ae8c85ba9c789dfe73d68129d59a
sha256 e83cf1d39562fec11141f66ca7e50bc10b7cce97a27c760c23d1064d440a622e
sha512 30d8119af9c17ece578cf97b0b13688a840f0770780d35c85ad510d390ce058370d9c529684686f4f475549512aba144ea9d9efbefb82857d0525e00def98035
ripemd-160 42b48e8bf389902f4e5f864244f5ba4a5c25445d

20402839 as geometric shapes

Circle

Radius = n
Diameter 40805678
Circumference 128194818.22955
Area 1.3077691184859E+15

Sphere

Radius = n
Volume 3.5576270364853E+22
Surface area 5.2310764739436E+15
Circumference 128194818.22955

Square

Length = n
Perimeter 81611356
Area 416275839259921
Diagonal 28853971.624715

Cube

Length = n
Surface area 2497655035559526
Volume 8.49320892801E+21
Space diagonal 35338753.766648

Equilateral Triangle

Length = n
Perimeter 61208517
Area 1.8025272589039E+14
Altitude 17669376.883324

Triangular Pyramid

Length = n
Surface area 1.8025272589039E+14
Volume 1.0009342711717E+21
Height 9617990.5415716