20851690 (number)

20851690 is an even 8-digits composite number following 20851689 and preceding 20851691. In scientific notation, it is written as 2.0851690 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors. There are 7793664 positive integers (up to 20851690) that are relatively prime to 20851690.

Interesting facts

Basic properties

Name

Name twenty million eight hundred fifty-one thousand six hundred ninety

Notation

Scientific notation 2.0851690 × 10^7
Engineering notation 2.0851690 × 10^6

Prime Factorization of 20851690

Prime Factorization 2 × 5 × 17 × 173 × 709

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20851690
Product of the distinct prime numbers

The prime factorization of 20851690 is 2 × 5 × 17 × 173 × 709. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 4, 76, 44, 792, 63, 4732, 4291, 89479, 6029, 586273, 885401, 8888452, 3431404, 19899285, 99932328, 85621945, 104855135, 4885245305, 7913940206

Basic calculations (n = 20851690)

Multiplication

n×y
n×2 41703380
n×3 62555070
n×4 83406760
n×5 104258450

Division

n÷y
n÷2 10425845
n÷3 6950563.3333333
n÷3 5212922.5
n÷5 4170338

Exponentiation

ny
n2 434792975856100
n3 9.0661683467289E+21
n4 1.890449318538E+29
n5 3.9419063150866E+36

Nth Root

y√n
2√n 4566.3650751993
3√n 275.24139685364
4√n 67.574884944033
5√n 29.095662602743

Divisors of 20851690

1, 2, 5, 10, 17, 34, 85, 170, 173, 346, 709, 865, 1418, 1730, 2941, 3545, 5882, 7090, 12053, 14705, 24106, 29410, 60265, 120530, 122657, 245314, 613285, 1226570, 2085169, 4170338, 10425845, 20851690

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 -20851689
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 20851690 can be divided by 32 positive divisors. The sum of these divisors (counting 20851690) is 1, the average is 0.03125.

Base conversion 20851690

Base System Value
2 Binary 1001111100010101111101010
3 Ternary 1110020101010211
4 Quaternary 1033202233222
5 Quinary 20314223230
6 Senary 2022531334
8 Octal 117425752
10 Decimal 20851690
12 Duodecimal 6b96b4a
16 Hexadecimal 13e2bea
20 Vigesimal 6a694a
36 Base36 cex9m

Cryptographic Hash Functions

md5 fa008395d78d0f94044a856637bd580c
sha1 4a9de60bb4bbdf60d3c47c7542eb82100fa8aaad
sha256 aaf7231f48378065cd280ec08313c6efcd860c8c3a0d72c48d6ff7a5c3f9a9e7
sha512 ded095538a54aa247233f36b0a2000aba5247f10867cd2c439832e823659d4cb0763d20465c408de3095758f1bfc6f345c7336d3beaaf607c5ccc23da959f3f7
ripemd-160 e5ef3bd6726eb91da494e35ebd7aa7a6ef51a6f3

20851690 as geometric shapes

Circle

Radius = n
Diameter 41703380
Circumference 131015032.23786
Area 1.365942418782E+15

Sphere

Radius = n
Volume 3.7976277165722E+22
Surface area 5.4637696751279E+15
Circumference 131015032.23786

Square

Length = n
Perimeter 83406760
Area 434792975856100
Diagonal 29488742.796399

Cube

Length = n
Surface area 2608757855136600
Volume 9.0661683467289E+21
Space diagonal 36116186.503676

Equilateral Triangle

Length = n
Perimeter 62555070
Area 1.8827088123921E+14
Altitude 18058093.251838

Triangular Pyramid

Length = n
Surface area 1.8827088123921E+14
Volume 1.0684581862251E+21
Height 9829580.9321331