20129844 (number)

20129844 is an even 8-digits composite number following 20129843 and preceding 20129845. In scientific notation, it is written as 2.0129844 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors. There are 5751360 positive integers (up to 20129844) that are relatively prime to 20129844.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-nine thousand eight hundred forty-four

Notation

Scientific notation 2.0129844 × 10^7
Engineering notation 2.0129844 × 10^6

Prime Factorization of 20129844

Prime Factorization 2 × 2 × 21 × 239641

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10064922
Product of the distinct prime numbers

The prime factorization of 20129844 is 2 × 2 × 21 × 239641. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 40, 72, 128, 729, 9747, 933, 45305, 65238, 515598, 75247, 8014206, 2481347, 76803176, 40535944, 105855034, 557722015, 7443202856, 646763311

Basic calculations (n = 20129844)

Multiplication

n×y
n×2 40259688
n×3 60389532
n×4 80519376
n×5 100649220

Division

n÷y
n÷2 10064922
n÷3 6709948
n÷3 5032461
n÷5 4025968.8

Exponentiation

ny
n2 405210619464336
n3 8.1568265569604E+21
n4 1.6419564612667E+29
n5 3.3052327420091E+36

Nth Root

y√n
2√n 4486.6294698805
3√n 272.02791308121
4√n 66.982307140621
5√n 28.891366388142

Divisors of 20129844

1, 2, 4, 21, 42, 84, 239641, 479282, 958564, 5032461, 10064922, 20129844

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20129843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20129844 can be divided by 12 positive divisors. The sum of these divisors (counting 20129844) is 1, the average is 0.083333333333333.

Base conversion 20129844

Base System Value
2 Binary 1001100110010100000110100
3 Ternary 1101212200221210
4 Quaternary 1030302200310
5 Quinary 20123123334
6 Senary 1555241420
8 Octal 114624064
10 Decimal 20129844
12 Duodecimal 68a9270
16 Hexadecimal 1332834
20 Vigesimal 65g4c4
36 Base36 bzgac

Cryptographic Hash Functions

md5 e4faa5b26a7ca7732b0a44ada582fd34
sha1 1ff532853c8b3e38a4e6462dc717c5a8b0520cb2
sha256 ea3be2215ba587c9e54918d0e8815effe97061694bfa2f72b58b762de32169db
sha512 a5b38d35f4f0cbe4d4c166b25416625c7880f9770ac590a3321b2ad2cf00904bea6abfc29062563ac638dbd780322984456c6769fa7988d8cd0bfde930579486
ripemd-160 3a0bb2f1a28db109054c01c5e05a050932dbe41c

20129844 as geometric shapes

Circle

Radius = n
Diameter 40259688
Circumference 126479540.05662
Area 1.2730067052657E+15

Sphere

Radius = n
Volume 3.4167235183937E+22
Surface area 5.0920268210629E+15
Circumference 126479540.05662

Square

Length = n
Perimeter 80519376
Area 405210619464336
Diagonal 28467898.393255

Cube

Length = n
Surface area 2431263716786016
Volume 8.1568265569604E+21
Space diagonal 34865912.556436

Equilateral Triangle

Length = n
Perimeter 60389532
Area 1.7546134516967E+14
Altitude 17432956.278218

Triangular Pyramid

Length = n
Surface area 1.7546134516967E+14
Volume 9.6129122856488E+20
Height 9489299.4644182