20993865 (number)

20993865 is an odd 8-digits composite number following 20993864 and preceding 20993866. In scientific notation, it is written as 2.0993865 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 11115072 positive integers (up to 20993865) that are relatively prime to 20993865.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-three thousand eight hundred sixty-five

Notation

Scientific notation 2.0993865 × 10^7
Engineering notation 2.0993865 × 10^6

Prime Factorization of 20993865

Prime Factorization 5 × 3 × 139 × 10069

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20993865
Product of the distinct prime numbers

The prime factorization of 20993865 is 5 × 3 × 139 × 10069. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 64, 64, 566, 344, 2568, 9094, 11108, 64045, 56033, 158768, 3647868, 7295824, 50492252, 20203136, 748600630, 360475010, 9486004475, 849891265

Basic calculations (n = 20993865)

Multiplication

n×y
n×2 41987730
n×3 62981595
n×4 83975460
n×5 104969325

Division

n÷y
n÷2 10496932.5
n÷3 6997955
n÷3 5248466.25
n÷5 4198773

Exponentiation

ny
n2 440742367638225
n3 9.2528857659773E+21
n4 1.9425383463135E+29
n5 4.0781387799829E+36

Nth Root

y√n
2√n 4581.9062626815
3√n 275.865548355
4√n 67.689779602843
5√n 29.135231957322

Divisors of 20993865

1, 3, 5, 15, 139, 417, 695, 2085, 10069, 30207, 50345, 151035, 1399591, 4198773, 6997955, 20993865

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 -20993864
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 20993865 can be divided by 16 positive divisors. The sum of these divisors (counting 20993865) is 1, the average is 0.0625.

Base conversion 20993865

Base System Value
2 Binary 1010000000101011101001001
3 Ternary 1110111121011120
4 Quaternary 1100011131021
5 Quinary 20333300430
6 Senary 2025545453
8 Octal 120053511
10 Decimal 20993865
12 Duodecimal 7045289
16 Hexadecimal 1405749
20 Vigesimal 6b44d5
36 Base36 chyyx

Cryptographic Hash Functions

md5 831069b7be54a792e7208840e6c82d08
sha1 833596819c1ff8d1df24727a230477bdfda1fe74
sha256 303baaac07a2398b8cbfe9d14eafde1474074e1ed5e2c7b5019620c0bedc2ddc
sha512 7205e237a9aa16d82036a0328f7f052dc8399cf9456045c360a283bc01d66b98c2e24bb02c7ef2c25acc80fb468446248a3de84e7cfa0d1a8eb5e027a8b61352
ripemd-160 a67cf08efd5541c468ad32fac1c09e59d34edb95

20993865 as geometric shapes

Circle

Radius = n
Diameter 41987730
Circumference 131908344.10891
Area 1.384632984298E+15

Sphere

Radius = n
Volume 3.8758397262533E+22
Surface area 5.5385319371921E+15
Circumference 131908344.10891

Square

Length = n
Perimeter 83975460
Area 440742367638225
Diagonal 29689808.60963

Cube

Length = n
Surface area 2644454205829350
Volume 9.2528857659773E+21
Space diagonal 36362440.827242

Equilateral Triangle

Length = n
Perimeter 62981595
Area 1.908470434494E+14
Altitude 18181220.413621

Triangular Pyramid

Length = n
Surface area 1.908470434494E+14
Volume 1.0904630451112E+21
Height 9896602.8698766