221385969 (number)

221385969 is an odd 9-digits composite number following 221385968 and preceding 221385970. In scientific notation, it is written as 2.21385969 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 126146160 positive integers (up to 221385969) that are relatively prime to 221385969.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million three hundred eighty-five thousand nine hundred sixty-nine

Notation

Scientific notation 2.21385969 × 10^8
Engineering notation 2.21385969 × 10^6

Prime Factorization of 221385969

Prime Factorization 9 × 49 × 811 × 619

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 221385969
Product of the distinct prime numbers

The prime factorization of 221385969 is 9 × 49 × 811 × 619. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221385969)

Multiplication

n×y
n×2 442771938
n×3 664157907
n×4 885543876
n×5 1106929845

Division

n÷y
n÷2 110692984.5
n÷3 73795323
n÷3 55346492.25
n÷5 44277193.8

Exponentiation

ny
n2 49011747270068961
n3 1.0850513161767E+25
n4 2.4021513704651E+33
n5 5.318026088351E+41

Nth Root

y√n
2√n 14879.044626588
3√n 604.94612274357
4√n 121.97968940192
5√n 46.669163703852

Divisors of 221385969

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 -221385968
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 221385969 can be divided by 16 positive divisors. The sum of these divisors (counting 221385969) is 1, the average is 0.0625.

Base conversion 221385969

Base System Value
2 Binary 1101001100100001010011110001
3 Ternary 120102120120110100
4 Quaternary 31030201103301
5 Quinary 423133322334
6 Senary 33545023013
8 Octal 1514412361
10 Decimal 221385969
12 Duodecimal 62184a69
16 Hexadecimal d3214f1
20 Vigesimal 393d4i9
36 Base36 3nt2i9

Cryptographic Hash Functions

md5 65ae317d37b62b6dbeabf98feefca639
sha1 fef028c78c92a859312686815455d250233222f2
sha256 a9a32965629a5774efb6b0c8c65c9ecc8c03d3f10a02f94eb48312c9be4cacd2
sha512 81af28d47aed486d3b3a948b049dcd17e96c5249bafee536309d73a5972988e69950350a0b468d2cb0bc4bad328a8024f7a6299a2004aef26fc8d7e019b2839c
ripemd-160 ce8b7e9c20600226faeb4b250db6df81f9b59900

221385969 as geometric shapes

Circle

Radius = n
Diameter 442771938
Circumference 1391009067.6365
Area 1.5397494516325E+17

Sphere

Radius = n
Volume 4.5450523248917E+25
Surface area 6.1589978065299E+17
Circumference 1391009067.6365

Square

Length = n
Perimeter 885543876
Area 49011747270068961
Diagonal 313087039.87891

Cube

Length = n
Surface area 294070483620413766
Volume 1.0850513161767E+25
Space diagonal 383451746.39087

Equilateral Triangle

Length = n
Perimeter 664157907
Area 2.1222709109871E+16
Altitude 191725873.19543

Triangular Pyramid

Length = n
Surface area 2.1222709109871E+16
Volume 1.2787452393399E+24
Height 104362346.6263