20851980 (number)

20851980 is an even 8-digits composite number following 20851979 and preceding 20851981. In scientific notation, it is written as 2.0851980 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 5560512 positive integers (up to 20851980) that are relatively prime to 20851980.

Interesting facts

Basic properties

Name

Name twenty million eight hundred fifty-one thousand nine hundred eighty

Notation

Scientific notation 2.0851980 × 10^7
Engineering notation 2.0851980 × 10^6

Prime Factorization of 20851980

Prime Factorization 2 × 2 × 3 × 5 × 347533

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10425990
Product of the distinct prime numbers

The prime factorization of 20851980 is 2 × 2 × 3 × 5 × 347533. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 4, 100, 99, 154, 653, 1011, 7582, 87582, 89096, 323178, 837319, 1726164, 7804491, 20463322, 99788464, 796715226, 758125002, 2231320072, 3324966522

Basic calculations (n = 20851980)

Multiplication

n×y
n×2 41703960
n×3 62555940
n×4 83407920
n×5 104259900

Division

n÷y
n÷2 10425990
n÷3 6950660
n÷3 5212995
n÷5 4170396

Exponentiation

ny
n2 434805069920400
n3 9.0665466218788E+21
n4 1.8905544882848E+29
n5 3.9421804378626E+36

Nth Root

y√n
2√n 4566.3968290108
3√n 275.2426728435
4√n 67.575119896385
5√n 29.095743533307

Divisors of 20851980

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347533, 695066, 1042599, 1390132, 1737665, 2085198, 3475330, 4170396, 5212995, 6950660, 10425990, 20851980

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 -20851979
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 20851980 can be divided by 24 positive divisors. The sum of these divisors (counting 20851980) is 1, the average is 0.041666666666667.

Base conversion 20851980

Base System Value
2 Binary 1001111100010110100001100
3 Ternary 1110020101112120
4 Quaternary 1033202310030
5 Quinary 20314230410
6 Senary 2022532540
8 Octal 117426414
10 Decimal 20851980
12 Duodecimal 6b97150
16 Hexadecimal 13e2d0c
20 Vigesimal 6a69j0
36 Base36 cexho

Cryptographic Hash Functions

md5 f036f4d7e51858d8d9c367a3cf0e1d34
sha1 906e1f392acbfeee090434f42e607d817b0c6368
sha256 87168343f32447b2384745bba2e515a6d8b0e412ad833e5e2aa3c394e534a0ef
sha512 a04254332100d6700315fd3050a943de591ac5875e7acc3cd5abbecd34a1626abadc9dcde7c3aaf2d40e9adc966bc36ad6ae65bbd19d1b45528a9246f2ef50c1
ripemd-160 9eb118550e780df9dfafec5fedbf6d4b866736cc

20851980 as geometric shapes

Circle

Radius = n
Diameter 41703960
Circumference 131016854.3616
Area 1.3659804134055E+15

Sphere

Radius = n
Volume 3.7977861680965E+22
Surface area 5.4639216536221E+15
Circumference 131016854.3616

Square

Length = n
Perimeter 83407920
Area 434805069920400
Diagonal 29489152.918333

Cube

Length = n
Surface area 2608830419522400
Volume 9.0665466218788E+21
Space diagonal 36116688.79841

Equilateral Triangle

Length = n
Perimeter 62555940
Area 1.8827611812267E+14
Altitude 18058344.399205

Triangular Pyramid

Length = n
Surface area 1.8827611812267E+14
Volume 1.0685027663791E+21
Height 9829717.6394442