21121837 (number)

21121837 is an odd 8-digits composite number following 21121836 and preceding 21121838. In scientific notation, it is written as 2.1121837 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 18072000 positive integers (up to 21121837) that are relatively prime to 21121837.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1121837 × 10^7
Engineering notation 2.1121837 × 10^6

Prime Factorization of 21121837

Prime Factorization 11 × 17 × 112951

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21121837
Product of the distinct prime numbers

The prime factorization of 21121837 is 11 × 17 × 112951. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21121837)

Multiplication

n×y
n×2 42243674
n×3 63365511
n×4 84487348
n×5 105609185

Division

n÷y
n÷2 10560918.5
n÷3 7040612.3333333
n÷3 5280459.25
n÷5 4224367.4

Exponentiation

ny
n2 446131998254569
n3 9.4231273476173E+21
n4 1.9903375986661E+29
n5 4.2039586333998E+36

Nth Root

y√n
2√n 4595.8499757934
3√n 276.42494313949
4√n 67.792698543378
5√n 29.170665508239

Divisors of 21121837

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 -21121836
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 21121837 can be divided by 8 positive divisors. The sum of these divisors (counting 21121837) is 1, the average is 0.125.

Base conversion 21121837

Base System Value
2 Binary 1010000100100101100101101
3 Ternary 1110202002201021
4 Quaternary 1100210230231
5 Quinary 20401344322
6 Senary 2032414141
8 Octal 120445455
10 Decimal 21121837
12 Duodecimal 70a7351
16 Hexadecimal 1424b2d
20 Vigesimal 6c04bh
36 Base36 ckppp

Cryptographic Hash Functions

md5 4e51171f7c55315b60348eaec1b92b5e
sha1 db2b373377ce96ce8dcb905d30e1938229da8fed
sha256 ef148ee426bd7d303df1184958c6ce5fd1bb93f3efd50c2fd3f99c93e845566e
sha512 4367dffd002c9e90d80514e2a9a3a2e8f5dd87522218f11b62c6e93feb056993b208667ad385af521830af0146512b85b4997bb9c00a8c72755c0157942465f3
ripemd-160 615547a026b77e1142310f35004ce215a05558aa

21121837 as geometric shapes

Circle

Radius = n
Diameter 42243674
Circumference 132712415.89904
Area 1.4015650082479E+15

Sphere

Radius = n
Volume 3.9471503532154E+22
Surface area 5.6062600329916E+15
Circumference 132712415.89904

Square

Length = n
Perimeter 84487348
Area 446131998254569
Diagonal 29870788.347634

Cube

Length = n
Surface area 2676791989527414
Volume 9.4231273476173E+21
Space diagonal 36584094.833188

Equilateral Triangle

Length = n
Perimeter 63365511
Area 1.9318082196479E+14
Altitude 18292047.416594

Triangular Pyramid

Length = n
Surface area 1.9318082196479E+14
Volume 1.1105262079141E+21
Height 9956929.4492113