20993861 (number)

20993861 is an odd 8-digits composite number following 20993860 and preceding 20993862. In scientific notation, it is written as 2.0993861 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 16936128 positive integers (up to 20993861) that are relatively prime to 20993861.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0993861 × 10^7
Engineering notation 2.0993861 × 10^6

Prime Factorization of 20993861

Prime Factorization 7 × 17 × 176419

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20993861
Product of the distinct prime numbers

The prime factorization of 20993861 is 7 × 17 × 176419. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20993861)

Multiplication

n×y
n×2 41987722
n×3 62981583
n×4 83975444
n×5 104969305

Division

n÷y
n÷2 10496930.5
n÷3 6997953.6666667
n÷3 5248465.25
n÷5 4198772.2

Exponentiation

ny
n2 440742199687321
n3 9.2528804770699E+21
n4 1.9425368658522E+29
n5 4.0781348949076E+36

Nth Root

y√n
2√n 4581.9058261819
3√n 275.86553083461
4√n 67.689776378578
5√n 29.135230847084

Divisors of 20993861

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20993860
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20993861 can be divided by 8 positive divisors. The sum of these divisors (counting 20993861) is 1, the average is 0.125.

Base conversion 20993861

Base System Value
2 Binary 1010000000101011101000101
3 Ternary 1110111121011102
4 Quaternary 1100011131011
5 Quinary 20333300421
6 Senary 2025545445
8 Octal 120053505
10 Decimal 20993861
12 Duodecimal 7045285
16 Hexadecimal 1405745
20 Vigesimal 6b44d1
36 Base36 chyyt

Cryptographic Hash Functions

md5 f5216c1e726e7e0e9967cf37523d2768
sha1 c42643fd95de4d8c6123773807e80810542a354c
sha256 9d7bd6e156ad3730973a8589a0ada89f092b75057d3253bcd0146c17a67de7d7
sha512 c7aea45576eb9fff1b3652911d02dfc9a483134efca37cb7326309f61f2b21385e9820cb890163b730e7f7fee337c97820d211d85f6cb1d0e75c45dbd31a8de0
ripemd-160 951df5a5ef0743468c2eeaad428c33d2cc0d8cec

20993861 as geometric shapes

Circle

Radius = n
Diameter 41987722
Circumference 131908318.97617
Area 1.3846324566647E+15

Sphere

Radius = n
Volume 3.8758375108409E+22
Surface area 5.5385298266588E+15
Circumference 131908318.97617

Square

Length = n
Perimeter 83975444
Area 440742199687321
Diagonal 29689802.952776

Cube

Length = n
Surface area 2644453198123926
Volume 9.2528804770699E+21
Space diagonal 36362433.899039

Equilateral Triangle

Length = n
Perimeter 62981583
Area 1.9084697072453E+14
Altitude 18181216.949519

Triangular Pyramid

Length = n
Surface area 1.9084697072453E+14
Volume 1.0904624218075E+21
Height 9896600.9842585