21091378 (number)

21091378 is an even 8-digits composite number following 21091377 and preceding 21091379. In scientific notation, it is written as 2.1091378 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 8154000 positive integers (up to 21091378) that are relatively prime to 21091378.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand three hundred seventy-eight

Notation

Scientific notation 2.1091378 × 10^7
Engineering notation 2.1091378 × 10^6

Prime Factorization of 21091378

Prime Factorization 2 × 77 × 151 × 907

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21091378
Product of the distinct prime numbers

The prime factorization of 21091378 is 2 × 77 × 151 × 907. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 35, 29, 33, 460, 9984, 5531, 55412, 67141, 74435, 955857, 1155900, 745312, 86823759, 74733837, 466983759, 868685757, 2588461693, 2482933159

Basic calculations (n = 21091378)

Multiplication

n×y
n×2 42182756
n×3 63274134
n×4 84365512
n×5 105456890

Division

n÷y
n÷2 10545689
n÷3 7030459.3333333
n÷3 5272844.5
n÷5 4218275.6

Exponentiation

ny
n2 444846225938884
n3 9.3824199031504E+21
n4 1.9788816473207E+29
n5 4.1737340840903E+36

Nth Root

y√n
2√n 4592.5350298065
3√n 276.29200524214
4√n 67.768244995769
5√n 29.162247469043

Divisors of 21091378

1, 2, 77, 151, 154, 302, 907, 1814, 11627, 23254, 69839, 136957, 139678, 273914, 10545689, 21091378

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21091377
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21091378 can be divided by 16 positive divisors. The sum of these divisors (counting 21091378) is 1, the average is 0.0625.

Base conversion 21091378

Base System Value
2 Binary 1010000011101010000110010
3 Ternary 1110200112221011
4 Quaternary 1100131100302
5 Quinary 20344411003
6 Senary 2032021134
8 Octal 120352062
10 Decimal 21091378
12 Duodecimal 70917aa
16 Hexadecimal 141d432
20 Vigesimal 6bg88i
36 Base36 ck27m

Cryptographic Hash Functions

md5 cac8a975c5ba127b1bb421db6afec522
sha1 815b9f7f7ab2e0de7cca5baa2feffecc5c4dd090
sha256 799b40b09810c3cceaeb3204470b48c162e4100f80d3ec02a8652c035270c8e9
sha512 5db50584d9a7de5d5a789220b0a32fdbf38940d2e21687aaf5514b2d49ce6651920184dedac7b75a4bfff6dcdffad53031c4239a42eb4f71634afa3ff4016df4
ripemd-160 c78d9506a9bc8e762bb8f9cd6d4b0f789928e704

21091378 as geometric shapes

Circle

Radius = n
Diameter 42182756
Circumference 132521036.35777
Area 1.3975256353867E+15

Sphere

Radius = n
Volume 3.9300988587509E+22
Surface area 5.590102541547E+15
Circumference 132521036.35777

Square

Length = n
Perimeter 84365512
Area 444846225938884
Diagonal 29827712.816738

Cube

Length = n
Surface area 2669077355633304
Volume 9.3824199031504E+21
Space diagonal 36531338.29764

Equilateral Triangle

Length = n
Perimeter 63274134
Area 1.9262406622035E+14
Altitude 18265669.14882

Triangular Pyramid

Length = n
Surface area 1.9262406622035E+14
Volume 1.1057287895762E+21
Height 9942570.9389125