21381853 (number)

21381853 is an odd 8-digits prime number following 21381852 and preceding 21381854. In scientific notation, it is written as 2.1381853 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 21381852 positive integers (up to 21381853) that are relatively prime to 21381853.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eighty-one thousand eight hundred fifty-three

Notation

Scientific notation 2.1381853 × 10^7
Engineering notation 2.1381853 × 10^6

Prime Factorization of 21381853

Prime Factorization 21381853

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21381853
Product of the distinct prime numbers

The prime factorization of 21381853 is 21381853. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 3, 13, 12, 602, 469, 9353, 7243, 56817, 72713, 973042, 662478, 1212087, 8468969, 46198994, 73780741, 952995541, 314103804, 5037593925, 6443988593

Basic calculations (n = 21381853)

Multiplication

n×y
n×2 42763706
n×3 64145559
n×4 85527412
n×5 106909265

Division

n÷y
n÷2 10690926.5
n÷3 7127284.3333333
n÷3 5345463.25
n÷5 4276370.6

Exponentiation

ny
n2 457183637713609
n3 9.7754333355976E+21
n4 2.0901687859305E+29
n5 4.4691681725954E+36

Nth Root

y√n
2√n 4624.0515784321
3√n 277.55461090076
4√n 68.000379252119
5√n 29.2421343358

Divisors of 21381853

1, 21381853

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21381854
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10690927
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4624.0516865623
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999064627
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21381853 can be divided by 2 positive divisors. The sum of these divisors (counting 21381853) is 21381854, the average is 10690927.

Base conversion 21381853

Base System Value
2 Binary 1010001100100001011011101
3 Ternary 1111020022101111
4 Quaternary 1101210023131
5 Quinary 20433204403
6 Senary 2042142021
8 Octal 121441335
10 Decimal 21381853
12 Duodecimal 71b1911
16 Hexadecimal 14642dd
20 Vigesimal 6dcecd
36 Base36 cqacd

Cryptographic Hash Functions

md5 5a5748398f822d5b009db2730842edf2
sha1 a9697cc75262e4af3527b165f2a135c20157392d
sha256 dd5016d16a87b22c0573b9482ca5c906bbfb8e9cfc93d49901b343809734144b
sha512 5533ea52e140b5b29bcc0713a60f11a2bbdc3d86a4bd15639dc61cd59368f850a3e97167f2e03df8db679de38f63c52aafe31bb3405220b28302a5bca5aa9242
ripemd-160 a80408a5651653e5a6cb03bd78e9b0b1f9f1ca7c

21381853 as geometric shapes

Circle

Radius = n
Diameter 42763706
Circumference 134346144.60987
Area 1.4362847575825E+15

Sphere

Radius = n
Volume 4.0947239403694E+22
Surface area 5.7451390303301E+15
Circumference 134346144.60987

Square

Length = n
Perimeter 85527412
Area 457183637713609
Diagonal 30238506.501268

Cube

Length = n
Surface area 2743101826281654
Volume 9.7754333355976E+21
Space diagonal 37034455.755969

Equilateral Triangle

Length = n
Perimeter 64145559
Area 1.9796632222728E+14
Altitude 18517227.877985

Triangular Pyramid

Length = n
Surface area 1.9796632222728E+14
Volume 1.152045866773E+21
Height 10079502.167089