21991454 (number)

21991454 is an even 8-digits composite number following 21991453 and preceding 21991455. In scientific notation, it is written as 2.1991454 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 10616536 positive integers (up to 21991454) that are relatively prime to 21991454.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1991454 × 10^7
Engineering notation 2.1991454 × 10^6

Prime Factorization of 21991454

Prime Factorization 2 × 29 × 379163

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21991454
Product of the distinct prime numbers

The prime factorization of 21991454 is 2 × 29 × 379163. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 2, 99, 73, 268, 914, 5461, 3760, 40221, 51863, 323815, 836905, 2308070, 1443258, 79156933, 99858877, 581465771, 196511973, 9987583582, 3627205700

Basic calculations (n = 21991454)

Multiplication

n×y
n×2 43982908
n×3 65974362
n×4 87965816
n×5 109957270

Division

n÷y
n÷2 10995727
n÷3 7330484.6666667
n÷3 5497863.5
n÷5 4398290.8

Exponentiation

ny
n2 483624049034116
n3 1.0635596027628E+22
n4 2.3389222080415E+29
n5 5.1436300147724E+36

Nth Root

y√n
2√n 4689.5046646741
3√n 280.16764620272
4√n 68.479958124068
5√n 29.407004558652

Divisors of 21991454

1, 2, 29, 58, 379163, 758326, 10995727, 21991454

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21991453
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21991454 can be divided by 8 positive divisors. The sum of these divisors (counting 21991454) is 1, the average is 0.125.

Base conversion 21991454

Base System Value
2 Binary 1010011111001000000011110
3 Ternary 1112101021121022
4 Quaternary 1103321000132
5 Quinary 21112211304
6 Senary 2103204142
8 Octal 123710036
10 Decimal 21991454
12 Duodecimal 7446652
16 Hexadecimal 14f901e
20 Vigesimal 6h8ice
36 Base36 d3cpq

Cryptographic Hash Functions

md5 93e623eb5f81f9b421907b6e4b1f3987
sha1 f8b8d3e5f002b5593fea719e567e2d26ce97c639
sha256 7088f75b618796e29bb31de9094c557c2281f54201118ec4ff604577f2f1d7ec
sha512 9f98d36abedd66f28acb7ef2be88260410191608023155883d5d6947b36b288c33f6282cd654fc6e32f77685b3f7cc992d49cb1c39eaa267a900ca072444f8b3
ripemd-160 74d0e8b228b92c49d12e370ff2f60462d6f05f4d

21991454 as geometric shapes

Circle

Radius = n
Diameter 43982908
Circumference 138176380.65632
Area 1.5193497595449E+15

Sphere

Radius = n
Volume 4.4550280462591E+22
Surface area 6.0773990381797E+15
Circumference 138176380.65632

Square

Length = n
Perimeter 87965816
Area 483624049034116
Diagonal 31100612.503104

Cube

Length = n
Surface area 2901744294204696
Volume 1.0635596027628E+22
Space diagonal 38090315.660314

Equilateral Triangle

Length = n
Perimeter 65974362
Area 2.0941535617232E+14
Altitude 19045157.830157

Triangular Pyramid

Length = n
Surface area 2.0941535617232E+14
Volume 1.2534170121827E+21
Height 10366870.834368