21105877 (number)

21105877 is an odd 8-digits composite number following 21105876 and preceding 21105878. In scientific notation, it is written as 2.1105877 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 19234800 positive integers (up to 21105877) that are relatively prime to 21105877.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred five thousand eight hundred seventy-seven

Notation

Scientific notation 2.1105877 × 10^7
Engineering notation 2.1105877 × 10^6

Prime Factorization of 21105877

Prime Factorization 13 × 79 × 20551

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21105877
Product of the distinct prime numbers

The prime factorization of 21105877 is 13 × 79 × 20551. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21105877)

Multiplication

n×y
n×2 42211754
n×3 63317631
n×4 84423508
n×5 105529385

Division

n÷y
n÷2 10552938.5
n÷3 7035292.3333333
n÷3 5276469.25
n÷5 4221175.4

Exponentiation

ny
n2 445458043939129
n3 9.4017826840399E+21
n4 1.9843286891007E+29
n5 4.1880997239732E+36

Nth Root

y√n
2√n 4594.1132985594
3√n 276.3553018838
4√n 67.779888599491
5√n 29.166255810348

Divisors of 21105877

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 -21105876
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 21105877 can be divided by 8 positive divisors. The sum of these divisors (counting 21105877) is 1, the average is 0.125.

Base conversion 21105877

Base System Value
2 Binary 1010000100000110011010101
3 Ternary 1110201021211011
4 Quaternary 1100200303111
5 Quinary 20400342002
6 Senary 2032212221
8 Octal 120406325
10 Decimal 21105877
12 Duodecimal 709a071
16 Hexadecimal 1420cd5
20 Vigesimal 6bi4dh
36 Base36 ckded

Cryptographic Hash Functions

md5 1341594671e21a018fd55aa76b61016e
sha1 da30730430e24347b08c92120eb554859307844a
sha256 030c36931db452295542c2330dddf4133c28a83a962a5cd73a1e4c05c0dd032a
sha512 c6c8f7771062b13ffcf5ea520c0825dce7e83ca5e137a42b53778f5bd87da99fe8c930f5595d1565150cf80926c8e8476bb6b1d7a5a69c463aad6bf6d6d39028
ripemd-160 e40da72852c7983c1fce65924a35a6321a4cf6c6

21105877 as geometric shapes

Circle

Radius = n
Diameter 42211754
Circumference 132612136.26154
Area 1.3994477183216E+15

Sphere

Radius = n
Volume 3.9382095214436E+22
Surface area 5.5977908732866E+15
Circumference 132612136.26154

Square

Length = n
Perimeter 84423508
Area 445458043939129
Diagonal 29848217.499178

Cube

Length = n
Surface area 2672748263634774
Volume 9.4017826840399E+21
Space diagonal 36556451.302299

Equilateral Triangle

Length = n
Perimeter 63317631
Area 1.9288899118571E+14
Altitude 18278225.65115

Triangular Pyramid

Length = n
Surface area 1.9288899118571E+14
Volume 1.1080107151878E+21
Height 9949405.8330595