21551470 (number)

21551470 is an even 8-digits composite number following 21551469 and preceding 21551471. In scientific notation, it is written as 2.1551470 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 8557120 positive integers (up to 21551470) that are relatively prime to 21551470.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand four hundred seventy

Notation

Scientific notation 2.1551470 × 10^7
Engineering notation 2.1551470 × 10^6

Prime Factorization of 21551470

Prime Factorization 2 × 5 × 137 × 15731

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21551470
Product of the distinct prime numbers

The prime factorization of 21551470 is 2 × 5 × 137 × 15731. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 66, 66, 248, 269, 7126, 4993, 12903, 24126, 823824, 528457, 4134342, 5886917, 69948854, 47740993, 126093491, 401446170, 8289452230, 7855387646

Basic calculations (n = 21551470)

Multiplication

n×y
n×2 43102940
n×3 64654410
n×4 86205880
n×5 107757350

Division

n÷y
n÷2 10775735
n÷3 7183823.3333333
n÷3 5387867.5
n÷5 4310294

Exponentiation

ny
n2 464465859160900
n3 1.000992202973E+22
n4 2.1572853432607E+29
n5 4.6492670356723E+36

Nth Root

y√n
2√n 4642.3560828528
3√n 278.28660296503
4√n 68.134837512485
5√n 29.288381956407

Divisors of 21551470

1, 2, 5, 10, 137, 274, 685, 1370, 15731, 31462, 78655, 157310, 2155147, 4310294, 10775735, 21551470

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 -21551469
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 21551470 can be divided by 16 positive divisors. The sum of these divisors (counting 21551470) is 1, the average is 0.0625.

Base conversion 21551470

Base System Value
2 Binary 1010010001101100101101110
3 Ternary 1111112221001121
4 Quaternary 1102031211232
5 Quinary 21004121340
6 Senary 2045531154
8 Octal 122154556
10 Decimal 21551470
12 Duodecimal 7273aba
16 Hexadecimal 148d96e
20 Vigesimal 6edida
36 Base36 ctx7y

Cryptographic Hash Functions

md5 8a4ef4778f34ceb801218c2a3bddac2d
sha1 0a898e5af9176054a264f02e84c5bcd64ff87000
sha256 74951d38d718355fb71f3a13ffabfd0a8457750ac48bc430e6f18718e0be02ff
sha512 17871323f6efd95168265f9763d60d635239e071404ff6bd5f5f85bb4f4678efb0180f7dbe1fdd2bf9c205c3dc16569491b4356dd5ab3a2e8aebc4c2c87ad0f4
ripemd-160 7bf4b86f209f6b98f33c4bce30706be2a5912f02

21551470 as geometric shapes

Circle

Radius = n
Diameter 43102940
Circumference 135411879.65212
Area 1.4591625309832E+15

Sphere

Radius = n
Volume 4.192946334881E+22
Surface area 5.8366501239326E+15
Circumference 135411879.65212

Square

Length = n
Perimeter 86205880
Area 464465859160900
Diagonal 30478381.163077

Cube

Length = n
Surface area 2786795154965400
Volume 1.000992202973E+22
Space diagonal 37328241.017796

Equilateral Triangle

Length = n
Perimeter 64654410
Area 2.0111961661195E+14
Altitude 18664120.508898

Triangular Pyramid

Length = n
Surface area 2.0111961661195E+14
Volume 1.1796806243952E+21
Height 10159460.387692