21369991 (number)

21369991 is an odd 8-digits prime number following 21369990 and preceding 21369992. In scientific notation, it is written as 2.1369991 × 10^7. The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors. There are 21369990 positive integers (up to 21369991) that are relatively prime to 21369991.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred sixty-nine thousand nine hundred ninety-one

Notation

Scientific notation 2.1369991 × 10^7
Engineering notation 2.1369991 × 10^6

Prime Factorization of 21369991

Prime Factorization 21369991

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21369991
Product of the distinct prime numbers

The prime factorization of 21369991 is 21369991. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 9, 79, 30, 5, 505, 9095, 6289, 14328, 34537, 130818, 284314, 4782437, 830573, 31140830, 50741633, 336649566, 333838272, 6905776026, 730097509

Basic calculations (n = 21369991)

Multiplication

n×y
n×2 42739982
n×3 64109973
n×4 85479964
n×5 106849955

Division

n÷y
n÷2 10684995.5
n÷3 7123330.3333333
n÷3 5342497.75
n÷5 4273998.2

Exponentiation

ny
n2 456676515340081
n3 9.7591730227289E+21
n4 2.0855343966316E+29
n5 4.4567851286208E+36

Nth Root

y√n
2√n 4622.768759088
3√n 277.5032751284
4√n 67.990946155264
5√n 29.238889086697

Divisors of 21369991

1, 21369991

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21369992
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10684996
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4622.7688672483
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999064108
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21369991 can be divided by 2 positive divisors. The sum of these divisors (counting 21369991) is 21369992, the average is 10684996.

Base conversion 21369991

Base System Value
2 Binary 1010001100001010010000111
3 Ternary 1111012201010011
4 Quaternary 1101201102013
5 Quinary 20432314431
6 Senary 2042011051
8 Octal 121412207
10 Decimal 21369991
12 Duodecimal 71a6a87
16 Hexadecimal 1461487
20 Vigesimal 6db4jb
36 Base36 cq16v

Cryptographic Hash Functions

md5 2a4a985d90af5708204f541286b5f23a
sha1 b6f24200d10623148f3e251e293f8fee08cc30fc
sha256 f120e3b0663488cdce1c8e60a44ac6c1dcef2674bbd0ab3e84b78f7346a28c0d
sha512 584bb55c941233f4c6c34445cfbd33d28c63be7caedd55dbb1994ca7935fdd1082770d2402658c218054900a0e36ccc41c88fb8827a46cbd433466d28cb8baf4
ripemd-160 043278788b18d25c278435049b6ef16db97cb28e

21369991 as geometric shapes

Circle

Radius = n
Diameter 42739982
Circumference 134271613.46576
Area 1.4346915856594E+15

Sphere

Radius = n
Volume 4.0879128364422E+22
Surface area 5.7387663426375E+15
Circumference 134271613.46576

Square

Length = n
Perimeter 85479964
Area 456676515340081
Diagonal 30221731.099991

Cube

Length = n
Surface area 2740059092040486
Volume 9.7591730227289E+21
Space diagonal 37013910.16929

Equilateral Triangle

Length = n
Perimeter 64109973
Area 1.9774673179813E+14
Altitude 18506955.084645

Triangular Pyramid

Length = n
Surface area 1.9774673179813E+14
Volume 1.1501295705241E+21
Height 10073910.366664