21690894 (number)

21690894 is an even 8-digits composite number following 21690893 and preceding 21690895. In scientific notation, it is written as 2.1690894 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 6849720 positive integers (up to 21690894) that are relatively prime to 21690894.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1690894 × 10^7
Engineering notation 2.1690894 × 10^6

Prime Factorization of 21690894

Prime Factorization 2 × 3 × 19 × 190271

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21690894
Product of the distinct prime numbers

The prime factorization of 21690894 is 2 × 3 × 19 × 190271. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 31, 12, 232, 635, 8815, 9880, 6475, 72779, 70021, 543172, 7736939, 7178527, 79693068, 67751065, 39151145, 26101606, 8806922318, 399619399

Basic calculations (n = 21690894)

Multiplication

n×y
n×2 43381788
n×3 65072682
n×4 86763576
n×5 108454470

Division

n÷y
n÷2 10845447
n÷3 7230298
n÷3 5422723.5
n÷5 4338178.8

Exponentiation

ny
n2 470494882519236
n3 1.0205454624267E+22
n4 2.2136543447679E+29
n5 4.8016141745E+36

Nth Root

y√n
2√n 4657.3483872264
3√n 278.88542462101
4√n 68.244768204064
5√n 29.326179630101

Divisors of 21690894

1, 2, 3, 6, 19, 38, 57, 114, 190271, 380542, 570813, 1141626, 3615149, 7230298, 10845447, 21690894

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 -21690893
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 21690894 can be divided by 16 positive divisors. The sum of these divisors (counting 21690894) is 1, the average is 0.0625.

Base conversion 21690894

Base System Value
2 Binary 1010010101111101000001110
3 Ternary 1111211000022110
4 Quaternary 1102233220032
5 Quinary 21023102034
6 Senary 2052524450
8 Octal 122575016
10 Decimal 21690894
12 Duodecimal 7320726
16 Hexadecimal 14afa0e
20 Vigesimal 6fb74e
36 Base36 cwwsu

Cryptographic Hash Functions

md5 a612ee37f7524a13b8cc83ab0967eeae
sha1 458596b91ad8eea1d39be07470f53bceeea22784
sha256 a0bab25bb41b234ac17c7370b423cfdeb1180bb2f167773ea4f67bafe35cb70e
sha512 a3210e7ae451085f276368f4bc336303e5d8096786b1fb216d0a65c616db17de5dd58bbb21b5621114178f1c65b076b10156cdc43bfefe752b1fdb6b1c1ebf15
ripemd-160 7f0087e740b5dd0b94698e80a516abf52513c2d9

21690894 as geometric shapes

Circle

Radius = n
Diameter 43381788
Circumference 136287906.48039
Area 1.478103266474E+15

Sphere

Radius = n
Volume 4.2748508365522E+22
Surface area 5.9124130658961E+15
Circumference 136287906.48039

Square

Length = n
Perimeter 86763576
Area 470494882519236
Diagonal 30675556.474797

Cube

Length = n
Surface area 2822969295115416
Volume 1.0205454624267E+22
Space diagonal 37569730.469591

Equilateral Triangle

Length = n
Perimeter 65072682
Area 2.0373026030612E+14
Altitude 18784865.234795

Triangular Pyramid

Length = n
Surface area 2.0373026030612E+14
Volume 1.2027243616518E+21
Height 10225185.491599