20349945 (number)

20349945 is an odd 8-digits composite number following 20349944 and preceding 20349946. In scientific notation, it is written as 2.0349945 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 8447040 positive integers (up to 20349945) that are relatively prime to 20349945.

Interesting facts

Basic properties

Name

Name twenty million three hundred forty-nine thousand nine hundred forty-five

Notation

Scientific notation 2.0349945 × 10^7
Engineering notation 2.0349945 × 10^6

Prime Factorization of 20349945

Prime Factorization 147 × 5 × 3 × 11 × 839

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20349945
Product of the distinct prime numbers

The prime factorization of 20349945 is 147 × 5 × 3 × 11 × 839. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 1, 31, 81, 171, 216, 144, 9919, 30154, 99021, 72752, 553469, 4207744, 6430098, 38762841, 67393135, 119222412, 452691862, 2288334025, 4383411034

Basic calculations (n = 20349945)

Multiplication

n×y
n×2 40699890
n×3 61049835
n×4 81399780
n×5 101749725

Division

n÷y
n÷2 10174972.5
n÷3 6783315
n÷3 5087486.25
n÷5 4069989

Exponentiation

ny
n2 414120261503025
n3 8.4273245449722E+21
n4 1.7149559098733E+29
n5 3.4899258443347E+36

Nth Root

y√n
2√n 4511.0913313743
3√n 273.01577818078
4√n 67.16465835076
5√n 28.954271870576

Divisors of 20349945

1, 3, 5, 11, 15, 33, 55, 147, 165, 441, 735, 839, 1617, 2205, 2517, 4195, 4851, 8085, 9229, 12585, 24255, 27687, 46145, 123333, 138435, 369999, 616665, 1356663, 1849995, 4069989, 6783315, 20349945

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20349944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20349945 can be divided by 32 positive divisors. The sum of these divisors (counting 20349945) is 1, the average is 0.03125.

Base conversion 20349945

Base System Value
2 Binary 1001101101000001111111001
3 Ternary 1102021212212200
4 Quaternary 1031220033321
5 Quinary 20202144240
6 Senary 2004100413
8 Octal 115501771
10 Decimal 20349945
12 Duodecimal 6994709
16 Hexadecimal 13683f9
20 Vigesimal 673eh5
36 Base36 c4649

Cryptographic Hash Functions

md5 1e44fd540511a3e94711a8399f4a606e
sha1 26e695596dc8ac2f75d27c0d22a03b40fa6c6508
sha256 d3e39271c191e2dd1dbac1b6140e4793430048a058082e720372d0e1e89df71d
sha512 984f720dff1b64e28d7c1bdf333bc6b19916d2c460114e29d846bee2c02abff8fd333a9afcd5c78642fdf5db092d774d24649649a2b94a80b6b746adc29f0109
ripemd-160 87c2d14df761317db484a7331abc16fcdf6f3d37

20349945 as geometric shapes

Circle

Radius = n
Diameter 40699890
Circumference 127862475.42591
Area 1.3009971712406E+15

Sphere

Radius = n
Volume 3.5300294506535E+22
Surface area 5.2039886849623E+15
Circumference 127862475.42591

Square

Length = n
Perimeter 81399780
Area 414120261503025
Diagonal 28779168.212547

Cube

Length = n
Surface area 2484721569018150
Volume 8.4273245449722E+21
Space diagonal 35247138.671232

Equilateral Triangle

Length = n
Perimeter 61049835
Area 1.7931933334174E+14
Altitude 17623569.335616

Triangular Pyramid

Length = n
Surface area 1.7931933334174E+14
Volume 9.9316972216828E+20
Height 9593056.0708489