21291217 (number)

21291217 is an odd 8-digits prime number following 21291216 and preceding 21291218. In scientific notation, it is written as 2.1291217 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 21291216 positive integers (up to 21291217) that are relatively prime to 21291217.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1291217 × 10^7
Engineering notation 2.1291217 × 10^6

Prime Factorization of 21291217

Prime Factorization 21291217

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21291217
Product of the distinct prime numbers

The prime factorization of 21291217 is 21291217. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21291217)

Multiplication

n×y
n×2 42582434
n×3 63873651
n×4 85164868
n×5 106456085

Division

n÷y
n÷2 10645608.5
n÷3 7097072.3333333
n÷3 5322804.25
n÷5 4258243.4

Exponentiation

ny
n2 453315921341089
n3 9.6516476508281E+21
n4 2.0549532454132E+29
n5 4.3752455472947E+36

Nth Root

y√n
2√n 4614.2406742605
3√n 277.16187803751
4√n 67.928202348218
5√n 29.217301170314

Divisors of 21291217

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21291218
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10645609
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4614.2407826207
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999060646
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291217 can be divided by 2 positive divisors. The sum of these divisors (counting 21291217) is 21291218, the average is 10645609.

Base conversion 21291217

Base System Value
2 Binary 1010001001110000011010001
3 Ternary 1111001201001121
4 Quaternary 1101032003101
5 Quinary 20422304332
6 Senary 2040202241
8 Octal 121160321
10 Decimal 21291217
12 Duodecimal 7169381
16 Hexadecimal 144e0d1
20 Vigesimal 6d180h
36 Base36 cocep

Cryptographic Hash Functions

md5 5963e2d7be73803a95a4a1dba2b70716
sha1 9a090979972743859be136efffcc3e03a9ddd98b
sha256 15da874f445c1ee0c142b359fd80d358a62d1684f6fdf0d359952f83bbf9a553
sha512 fbce83776bef13a0d63492562e6ba402ee1c4b10de7e9c1cb151df397e529428d3e444bf85dd1a444b157dce23912e21f70ae3c9f9ca2b2a04681f696382215a
ripemd-160 68ae015f6b07234def9eeca323b9240b478269b7

21291217 as geometric shapes

Circle

Radius = n
Diameter 42582434
Circumference 133776661.82637
Area 1.4241339682405E+15

Sphere

Radius = n
Volume 4.0428727139838E+22
Surface area 5.6965358729618E+15
Circumference 133776661.82637

Square

Length = n
Perimeter 85164868
Area 453315921341089
Diagonal 30110327.840829

Cube

Length = n
Surface area 2719895528046534
Volume 9.6516476508281E+21
Space diagonal 36877469.598974

Equilateral Triangle

Length = n
Perimeter 63873651
Area 1.9629155191067E+14
Altitude 18438734.799487

Triangular Pyramid

Length = n
Surface area 1.9629155191067E+14
Volume 1.1374575839206E+21
Height 10036775.946943