21690812 (number)

21690812 is an even 8-digits composite number following 21690811 and preceding 21690813. In scientific notation, it is written as 2.1690812 × 10^7. The sum of its digits is 29. It has a total of 6 prime factors and 36 positive divisors. There are 9097920 positive integers (up to 21690812) that are relatively prime to 21690812.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety thousand eight hundred twelve

Notation

Scientific notation 2.1690812 × 10^7
Engineering notation 2.1690812 × 10^6

Prime Factorization of 21690812

Prime Factorization 2 × 2 × 13 × 13 × 11 × 2917

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 834262
Product of the distinct prime numbers

The prime factorization of 21690812 is 2 × 2 × 13 × 13 × 11 × 2917. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21690812)

Multiplication

n×y
n×2 43381624
n×3 65072436
n×4 86763248
n×5 108454060

Division

n÷y
n÷2 10845406
n÷3 7230270.6666667
n÷3 5422703
n÷5 4338162.4

Exponentiation

ny
n2 470491325219344
n3 1.0205338882964E+22
n4 2.2136208710665E+29
n5 4.8015234153581E+36

Nth Root

y√n
2√n 4657.3395839256
3√n 278.88507318884
4√n 68.244703706043
5√n 29.326157457198

Divisors of 21690812

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21690811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21690812 can be divided by 36 positive divisors. The sum of these divisors (counting 21690812) is 1, the average is 0.027777777777778.

Base conversion 21690812

Base System Value
2 Binary 1010010101111100110111100
3 Ternary 1111211000012102
4 Quaternary 1102233212330
5 Quinary 21023101222
6 Senary 2052524232
8 Octal 122574674
10 Decimal 21690812
12 Duodecimal 7320678
16 Hexadecimal 14af9bc
20 Vigesimal 6fb70c
36 Base36 cwwqk

Cryptographic Hash Functions

md5 b665c64e09509528f27ec11de332dcd7
sha1 2c1ed4d670575ceda4378b84be26fe8e461b1cf2
sha256 c4b6fa66ffc628494e56d8c941a235bf262516e9fab194f9b78e46b6c8be30ff
sha512 856ac7777803f58faf85afb2068a5d67b43defdca300769474a9c6588698fac6864f30b70afa97248c572c874dacab940aa8e5397f187ae9eea8e10ad26d2612
ripemd-160 77c713ca7d2e66fe227e5c444581e36312b6d01d

21690812 as geometric shapes

Circle

Radius = n
Diameter 43381624
Circumference 136287391.25919
Area 1.4780920908868E+15

Sphere

Radius = n
Volume 4.2748023549484E+22
Surface area 5.9123683635473E+15
Circumference 136287391.25919

Square

Length = n
Perimeter 86763248
Area 470491325219344
Diagonal 30675440.509285

Cube

Length = n
Surface area 2822947951316064
Volume 1.0205338882964E+22
Space diagonal 37569588.441425

Equilateral Triangle

Length = n
Perimeter 65072436
Area 2.0372871995008E+14
Altitude 18784794.220712

Triangular Pyramid

Length = n
Surface area 2.0372871995008E+14
Volume 1.2027107214084E+21
Height 10225146.836428