21291254 (number)

21291254 is an even 8-digits composite number following 21291253 and preceding 21291255. In scientific notation, it is written as 2.1291254 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 10636920 positive integers (up to 21291254) that are relatively prime to 21291254.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand two hundred fifty-four

Notation

Scientific notation 2.1291254 × 10^7
Engineering notation 2.1291254 × 10^6

Prime Factorization of 21291254

Prime Factorization 2 × 1471 × 7237

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21291254
Product of the distinct prime numbers

The prime factorization of 21291254 is 2 × 1471 × 7237. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21291254)

Multiplication

n×y
n×2 42582508
n×3 63873762
n×4 85165016
n×5 106456270

Division

n÷y
n÷2 10645627
n÷3 7097084.6666667
n÷3 5322813.5
n÷5 4258250.8

Exponentiation

ny
n2 453317496892516
n3 9.6516979689828E+21
n4 2.054967529889E+29
n5 4.3752835640618E+36

Nth Root

y√n
2√n 4614.2446835858
3√n 277.16203858858
4√n 67.928231859705
5√n 29.217311325106

Divisors of 21291254

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 -21291253
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 21291254 can be divided by 8 positive divisors. The sum of these divisors (counting 21291254) is 1, the average is 0.125.

Base conversion 21291254

Base System Value
2 Binary 1010001001110000011110110
3 Ternary 1111001201002222
4 Quaternary 1101032003312
5 Quinary 20422310004
6 Senary 2040202342
8 Octal 121160366
10 Decimal 21291254
12 Duodecimal 71693b2
16 Hexadecimal 144e0f6
20 Vigesimal 6d182e
36 Base36 cocfq

Cryptographic Hash Functions

md5 b5bfd78579a3a574ec2dd5ff29a78324
sha1 498a321c2fa3e0a22fbf96cda8ff2bee8442293b
sha256 9ea43be1269716c041133e8372da86dc4357ceb42d6eaef4615c3b054154b910
sha512 326a2e41082205c76dd61dff7ad5a98aa899a79199c3971a9736ea7e363268b133a14e05ca9c3372ad0f4440608f5a29033e5d8ed01fa0e967e01a2ae78b07be
ripemd-160 513874877c57c7cf8308f8a6c544a693d42158dc

21291254 as geometric shapes

Circle

Radius = n
Diameter 42582508
Circumference 133776894.30423
Area 1.4241389179812E+15

Sphere

Radius = n
Volume 4.0428937912032E+22
Surface area 5.696555671925E+15
Circumference 133776894.30423

Square

Length = n
Perimeter 85165016
Area 453317496892516
Diagonal 30110380.16673

Cube

Length = n
Surface area 2719904981355096
Volume 9.6516979689828E+21
Space diagonal 36877533.684854

Equilateral Triangle

Length = n
Perimeter 63873762
Area 1.9629223414445E+14
Altitude 18438766.842427

Triangular Pyramid

Length = n
Surface area 1.9629223414445E+14
Volume 1.137463513972E+21
Height 10036793.38891