21051954 (number)

21051954 is an even 8-digits composite number following 21051953 and preceding 21051955. In scientific notation, it is written as 2.1051954 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 64 positive divisors. There are 5313600 positive integers (up to 21051954) that are relatively prime to 21051954.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-one thousand nine hundred fifty-four

Notation

Scientific notation 2.1051954 × 10^7
Engineering notation 2.1051954 × 10^6

Prime Factorization of 21051954

Prime Factorization 2 × 77 × 9 × 3 × 61 × 83

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 21051954
Product of the distinct prime numbers

The prime factorization of 21051954 is 2 × 77 × 9 × 3 × 61 × 83. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 6, 8, 50, 398, 667, 2332, 3542, 14534, 78086, 180368, 494385, 5844337, 6126851, 86167463, 17305239, 252247374, 257444938, 1374978962, 8293121988

Basic calculations (n = 21051954)

Multiplication

n×y
n×2 42103908
n×3 63155862
n×4 84207816
n×5 105259770

Division

n÷y
n÷2 10525977
n÷3 7017318
n÷3 5262988.5
n÷5 4210390.8

Exponentiation

ny
n2 443184767218116
n3 9.3299053329765E+21
n4 1.9641273789418E+29
n5 4.1348719231622E+36

Nth Root

y√n
2√n 4588.2408393632
3√n 276.11974954842
4√n 67.736554675915
5√n 29.151337295117

Divisors of 21051954

1, 2, 3, 6, 9, 18, 27, 54, 61, 77, 83, 122, 154, 166, 183, 231, 249, 366, 462, 498, 549, 693, 747, 1098, 1386, 1494, 1647, 2079, 2241, 3294, 4158, 4482, 4697, 5063, 6391, 9394, 10126, 12782, 14091, 15189, 19173, 28182, 30378, 38346, 42273, 45567, 57519, 84546, 91134, 115038, 126819, 136701, 172557, 253638, 273402, 345114, 389851, 779702, 1169553, 2339106, 3508659, 7017318, 10525977, 21051954

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21051953
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21051954 can be divided by 64 positive divisors. The sum of these divisors (counting 21051954) is 1, the average is 0.015625.

Base conversion 21051954

Base System Value
2 Binary 1010000010011101000110010
3 Ternary 1110121112212000
4 Quaternary 1100103220302
5 Quinary 20342130304
6 Senary 2031114430
8 Octal 120235062
10 Decimal 21051954
12 Duodecimal 7072a16
16 Hexadecimal 1413a32
20 Vigesimal 6bb9he
36 Base36 cj7si

Cryptographic Hash Functions

md5 369ce5de4a3ff3961fa60f557ace0a6c
sha1 e3c2baa46226f7c2b521744cbadc78eb6af7765d
sha256 1a3a39585db7ab567c1867ca2765b16de1c8540297950bf72f772bd8a778c7fe
sha512 a03275f3ff40c863730d5e1dc1ea1943d2b418cb636cc1a90452a893be0f64cb66a8288de570a101c0d63d59e68f4c2faa6e20a19c62eb96abec839468590ea0
ripemd-160 ced9c0132b124bc478d483274907bb2b94c2631b

21051954 as geometric shapes

Circle

Radius = n
Diameter 42103908
Circumference 132273328.06022
Area 1.3923060088753E+15

Sphere

Radius = n
Volume 3.9081016070356E+22
Surface area 5.5692240355013E+15
Circumference 132273328.06022

Square

Length = n
Perimeter 84207816
Area 443184767218116
Diagonal 29771958.861255

Cube

Length = n
Surface area 2659108603308696
Volume 9.3299053329765E+21
Space diagonal 36463053.926603

Equilateral Triangle

Length = n
Perimeter 63155862
Area 1.9190463349059E+14
Altitude 18231526.963301

Triangular Pyramid

Length = n
Surface area 1.9190463349059E+14
Volume 1.0995398881294E+21
Height 9923986.2870848