21031637 (number)

21031637 is an odd 8-digits composite number following 21031636 and preceding 21031638. In scientific notation, it is written as 2.1031637 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 18078720 positive integers (up to 21031637) that are relatively prime to 21031637.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand six hundred thirty-seven

Notation

Scientific notation 2.1031637 × 10^7
Engineering notation 2.1031637 × 10^6

Prime Factorization of 21031637

Prime Factorization 11 × 23 × 97 × 857

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031637
Product of the distinct prime numbers

The prime factorization of 21031637 is 11 × 23 × 97 × 857. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031637)

Multiplication

n×y
n×2 42063274
n×3 63094911
n×4 84126548
n×5 105158185

Division

n÷y
n÷2 10515818.5
n÷3 7010545.6666667
n÷3 5257909.25
n÷5 4206327.4

Exponentiation

ny
n2 442329754899769
n3 9.3029188393509E+21
n4 1.9565561206969E+29
n5 4.1149578100625E+36

Nth Root

y√n
2√n 4586.0262755462
3√n 276.03089428727
4√n 67.720205814411
5√n 29.145708397309

Divisors of 21031637

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 -21031636
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 21031637 can be divided by 16 positive divisors. The sum of these divisors (counting 21031637) is 1, the average is 0.0625.

Base conversion 21031637

Base System Value
2 Binary 1010000001110101011010101
3 Ternary 1110120111222112
4 Quaternary 1100032223111
5 Quinary 20341003022
6 Senary 2030440405
8 Octal 120165325
10 Decimal 21031637
12 Duodecimal 7063105
16 Hexadecimal 140ead5
20 Vigesimal 6b8j1h
36 Base36 cis45

Cryptographic Hash Functions

md5 2065d989e668622bf24e7de3d9311297
sha1 16b78180458d61dfe9c1f715cf0bef1f67dc1e99
sha256 7a5bbabbf9a390098c7e17a8f68ab7340c5511144586511694da022049ed9889
sha512 c40cd7f6862f71bfb73025af9440254c1a01529323f70d74f82703129d6f9ad4511fa38438d725ddbfa0f8ec918cc0fad82815dd15beb84eef64c574913ea345
ripemd-160 2e315243e322792d0f1b19eb55e74323b29bf4bb

21031637 as geometric shapes

Circle

Radius = n
Diameter 42063274
Circumference 132145672.58433
Area 1.3896199084573E+15

Sphere

Radius = n
Volume 3.8967975310196E+22
Surface area 5.5584796338292E+15
Circumference 132145672.58433

Square

Length = n
Perimeter 84126548
Area 442329754899769
Diagonal 29743226.284308

Cube

Length = n
Surface area 2653978529398614
Volume 9.3029188393509E+21
Space diagonal 36427863.850345

Equilateral Triangle

Length = n
Perimeter 63094911
Area 1.9153440229647E+14
Altitude 18213931.925173

Triangular Pyramid

Length = n
Surface area 1.9153440229647E+14
Volume 1.0963594993555E+21
Height 9914408.7614359