21291211 (number)

21291211 is an odd 8-digits composite number following 21291210 and preceding 21291212. In scientific notation, it is written as 2.1291211 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 20891520 positive integers (up to 21291211) that are relatively prime to 21291211.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand two hundred eleven

Notation

Scientific notation 2.1291211 × 10^7
Engineering notation 2.1291211 × 10^6

Prime Factorization of 21291211

Prime Factorization 79 × 181 × 1489

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21291211
Product of the distinct prime numbers

The prime factorization of 21291211 is 79 × 181 × 1489. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21291211)

Multiplication

n×y
n×2 42582422
n×3 63873633
n×4 85164844
n×5 106456055

Division

n÷y
n÷2 10645605.5
n÷3 7097070.3333333
n÷3 5322802.75
n÷5 4258242.2

Exponentiation

ny
n2 453315665846521
n3 9.6516394911438E+21
n4 2.0549509290187E+29
n5 4.3752393824384E+36

Nth Root

y√n
2√n 4614.2400240993
3√n 277.16185200218
4√n 67.928197562568
5√n 29.21729952359

Divisors of 21291211

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 -21291210
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 21291211 can be divided by 8 positive divisors. The sum of these divisors (counting 21291211) is 1, the average is 0.125.

Base conversion 21291211

Base System Value
2 Binary 1010001001110000011001011
3 Ternary 1111001201001101
4 Quaternary 1101032003023
5 Quinary 20422304321
6 Senary 2040202231
8 Octal 121160313
10 Decimal 21291211
12 Duodecimal 7169377
16 Hexadecimal 144e0cb
20 Vigesimal 6d180b
36 Base36 cocej

Cryptographic Hash Functions

md5 343852b3902eb21ecdfa2cfc51e7b053
sha1 be336409f60a670a97f27ad8c48df5de045fe44b
sha256 3581032a44d52f2e1821ccf8fa34c909b35d0d3b451b5b4fc4c395a41dccdfa3
sha512 dd1c1209ec876664ed36e88dfbd95956fddbeb6e4145fedbc529726ab34b76a07b62e34d7802edf100ddb750d45601708c082f0c8894872b1b414de714bce135
ripemd-160 1c0374c30366dceb1584d4157d62b675ed37b6ee

21291211 as geometric shapes

Circle

Radius = n
Diameter 42582422
Circumference 133776624.12726
Area 1.4241331655806E+15

Sphere

Radius = n
Volume 4.0428692960633E+22
Surface area 5.6965326623224E+15
Circumference 133776624.12726

Square

Length = n
Perimeter 85164844
Area 453315665846521
Diagonal 30110319.355547

Cube

Length = n
Surface area 2719893995079126
Volume 9.6516394911438E+21
Space diagonal 36877459.206669

Equilateral Triangle

Length = n
Perimeter 63873633
Area 1.9629144127827E+14
Altitude 18438729.603335

Triangular Pyramid

Length = n
Surface area 1.9629144127827E+14
Volume 1.1374566222926E+21
Height 10036773.118516