21091880 (number)

21091880 is an even 8-digits composite number following 21091879 and preceding 21091881. In scientific notation, it is written as 2.1091880 × 10^7. The sum of its digits is 29. It has a total of 6 prime factors and 32 positive divisors. There are 8276736 positive integers (up to 21091880) that are relatively prime to 21091880.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand eight hundred eighty

Notation

Scientific notation 2.1091880 × 10^7
Engineering notation 2.1091880 × 10^6

Prime Factorization of 21091880

Prime Factorization 2 × 2 × 2 × 5 × 53 × 9949

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5272970
Product of the distinct prime numbers

The prime factorization of 21091880 is 2 × 2 × 2 × 5 × 53 × 9949. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 3, 84, 69, 418, 742, 2169, 530, 69763, 47381, 877366, 84340, 773476, 6602864, 65953633, 8199758, 470230704, 733657834, 1922676494, 4085346171

Basic calculations (n = 21091880)

Multiplication

n×y
n×2 42183760
n×3 63275640
n×4 84367520
n×5 105459400

Division

n÷y
n÷2 10545940
n÷3 7030626.6666667
n÷3 5272970
n÷5 4218376

Exponentiation

ny
n2 444867401934400
n3 9.3830898575121E+21
n4 1.9790700530386E+29
n5 4.1742308070284E+36

Nth Root

y√n
2√n 4592.5896833921
3√n 276.29419725137
4√n 67.768648233473
5√n 29.162386286989

Divisors of 21091880

1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 9949, 19898, 39796, 49745, 79592, 99490, 198980, 397960, 527297, 1054594, 2109188, 2636485, 4218376, 5272970, 10545940, 21091880

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21091879
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21091880 can be divided by 32 positive divisors. The sum of these divisors (counting 21091880) is 1, the average is 0.03125.

Base conversion 21091880

Base System Value
2 Binary 1010000011101011000101000
3 Ternary 1110200120121202
4 Quaternary 1100131120220
5 Quinary 20344420010
6 Senary 2032023332
8 Octal 120353050
10 Decimal 21091880
12 Duodecimal 7091b48
16 Hexadecimal 141d628
20 Vigesimal 6bg9e0
36 Base36 ck2lk

Cryptographic Hash Functions

md5 c61a513e1a2385a9f87b99720a868381
sha1 f0fb5dc6bbd025f43b502f82f56ee4e0296e306b
sha256 94f6d5529ce2f70ca006c8994bfc3f348307fe3b9943b7e7e926bb34d7577d6f
sha512 16cb514e1e767a6208e2802ca154ea822e9059bff02625d2a6332a8040500f0907a9f55433c5cd03b7901203ebeddb6f0e0da1ad21e237c0a33f9def18a647c6
ripemd-160 d7f4f1fc8968d906d17347d175d6a9e3875e99dc

21091880 as geometric shapes

Circle

Radius = n
Diameter 42183760
Circumference 132524190.51679
Area 1.3975921617387E+15

Sphere

Radius = n
Volume 3.9303794885777E+22
Surface area 5.5903686469548E+15
Circumference 132524190.51679

Square

Length = n
Perimeter 84367520
Area 444867401934400
Diagonal 29828422.751946

Cube

Length = n
Surface area 2669204411606400
Volume 9.3830898575121E+21
Space diagonal 36532207.787146

Equilateral Triangle

Length = n
Perimeter 63275640
Area 1.9263323569539E+14
Altitude 18266103.893573

Triangular Pyramid

Length = n
Surface area 1.9263323569539E+14
Volume 1.1058077444549E+21
Height 9942807.5839819