221645972 (number)

221645972 is an even 9-digits composite number following 221645971 and preceding 221645973. In scientific notation, it is written as 2.21645972 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 110557656 positive integers (up to 221645972) that are relatively prime to 221645972.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million six hundred forty-five thousand nine hundred seventy-two

Notation

Scientific notation 2.21645972 × 10^8
Engineering notation 2.21645972 × 10^6

Prime Factorization of 221645972

Prime Factorization 2 × 2 × 419 × 132247

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 110822986
Product of the distinct prime numbers

The prime factorization of 221645972 is 2 × 2 × 419 × 132247. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 5, 91, 230, 912, 2876, 3264, 80204, 94348, 325443, 428790, 1212915, 235934, 42121245, 41709510, 263978730, 24977848, 7613833075, 9469861336

Basic calculations (n = 221645972)

Multiplication

n×y
n×2 443291944
n×3 664937916
n×4 886583888
n×5 1108229860

Division

n÷y
n÷2 110822986
n÷3 73881990.666667
n÷3 55411493
n÷5 44329194.4

Exponentiation

ny
n2 49126936903824784
n3 1.0888787681431E+25
n4 2.4134559295524E+33
n5 5.349327853848E+41

Nth Root

y√n
2√n 14887.779283694
3√n 605.1828530009
4√n 122.01548788451
5√n 46.680120519546

Divisors of 221645972

1, 2, 4, 419, 838, 1676, 132247, 264494, 528988, 55411493, 110822986, 221645972

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221645971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221645972 can be divided by 12 positive divisors. The sum of these divisors (counting 221645972) is 1, the average is 0.083333333333333.

Base conversion 221645972

Base System Value
2 Binary 1101001101100000110010010100
3 Ternary 120110001210010002
4 Quaternary 31031200302110
5 Quinary 423220132342
6 Senary 33554350432
8 Octal 1515406224
10 Decimal 221645972
12 Duodecimal 6228b418
16 Hexadecimal d360c94
20 Vigesimal 3955eic
36 Base36 3nyn4k

Cryptographic Hash Functions

md5 692b83d720fac7a7fba8ab666289e465
sha1 1ab87caebaa8b717304af7a42fb439c8d086701b
sha256 f8f5d338f3f397c79471b20c86f8ebd8a45701f8c32391c83903dc4125d2d4b7
sha512 ff5ec9d4ac18e1d1163f6dc1756d27e6d204164803d6b95d523ab842f2133c43057754328c5d8471a701807c2e4d57f58f9b333d27bf7362381704578f8c546c
ripemd-160 caea27d0764f3f59abfcaa1dbed467c9c5420312

221645972 as geometric shapes

Circle

Radius = n
Diameter 443291944
Circumference 1392642714.6659
Area 1.5433682407043E+17

Sphere

Radius = n
Volume 4.5610847181977E+25
Surface area 6.173472962817E+17
Circumference 1392642714.6659

Square

Length = n
Perimeter 886583888
Area 49126936903824784
Diagonal 313454739.64777

Cube

Length = n
Surface area 294761621422948704
Volume 1.0888787681431E+25
Space diagonal 383902084.79699

Equilateral Triangle

Length = n
Perimeter 664937916
Area 2.1272587684414E+16
Altitude 191951042.39849

Triangular Pyramid

Length = n
Surface area 2.1272587684414E+16
Volume 1.2832559347401E+24
Height 104484913.21592