20129902 (number)

20129902 is an even 8-digits composite number following 20129901 and preceding 20129903. In scientific notation, it is written as 2.0129902 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 9204192 positive integers (up to 20129902) that are relatively prime to 20129902.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-nine thousand nine hundred two

Notation

Scientific notation 2.0129902 × 10^7
Engineering notation 2.0129902 × 10^6

Prime Factorization of 20129902

Prime Factorization 2 × 13 × 109 × 7103

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20129902
Product of the distinct prime numbers

The prime factorization of 20129902 is 2 × 13 × 109 × 7103. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 82, 82, 764, 818, 1264, 4217, 34155, 303, 925741, 769650, 5929595, 7166618, 58283603, 59535983, 552125744, 486402457, 2078052434, 8337179916

Basic calculations (n = 20129902)

Multiplication

n×y
n×2 40259804
n×3 60389706
n×4 80519608
n×5 100649510

Division

n÷y
n÷2 10064951
n÷3 6709967.3333333
n÷3 5032475.5
n÷5 4025980.4

Exponentiation

ny
n2 405212954529604
n3 8.1568970638114E+21
n4 1.6419753851861E+29
n5 3.3052803590209E+36

Nth Root

y√n
2√n 4486.6359335253
3√n 272.02817434509
4√n 66.9823553895
5√n 28.891383037028

Divisors of 20129902

1, 2, 13, 26, 109, 218, 1417, 2834, 7103, 14206, 92339, 184678, 774227, 1548454, 10064951, 20129902

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 -20129901
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 20129902 can be divided by 16 positive divisors. The sum of these divisors (counting 20129902) is 1, the average is 0.0625.

Base conversion 20129902

Base System Value
2 Binary 1001100110010100001101110
3 Ternary 1101212201000221
4 Quaternary 1030302201232
5 Quinary 20123124102
6 Senary 1555241554
8 Octal 114624156
10 Decimal 20129902
12 Duodecimal 68a92ba
16 Hexadecimal 133286e
20 Vigesimal 65g4f2
36 Base36 bzgby

Cryptographic Hash Functions

md5 c1a2810fae6f1e5c21cd91ccc1ec4f35
sha1 aadf2c8cf30ac38f9f6a65631ff60d9391d42005
sha256 216058c68f1a49384f4ae9c0caeda678b7c1d82a1ca8f032af034284c85b1666
sha512 79f9b5a997da86dd381ca6f68245391e6aa4e6dd448d301bb3a238e252980e882f439510c917e112e261c3f24bed6cb7701a63d735a88ac3f9b10d428dd0627d
ripemd-160 5a522ad691295156b6336261f5606548536fa696

20129902 as geometric shapes

Circle

Radius = n
Diameter 40259804
Circumference 126479904.48136
Area 1.2730140410896E+15

Sphere

Radius = n
Volume 3.4167530522344E+22
Surface area 5.0920561643585E+15
Circumference 126479904.48136

Square

Length = n
Perimeter 80519608
Area 405212954529604
Diagonal 28467980.417641

Cube

Length = n
Surface area 2431277727177624
Volume 8.1568970638114E+21
Space diagonal 34866013.015382

Equilateral Triangle

Length = n
Perimeter 60389706
Area 1.7546235628259E+14
Altitude 17433006.507691

Triangular Pyramid

Length = n
Surface area 1.7546235628259E+14
Volume 9.6129953787694E+20
Height 9489326.8058804