221438 (number)

221438 is an even 6-digits composite number following 221437 and preceding 221439. In scientific notation, it is written as 2.21438 × 10^5. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 94896 positive integers (up to 221438) that are relatively prime to 221438.

Interesting facts

Basic properties

Name

Name two hundred twenty-one thousand four hundred thirty-eight

Notation

Scientific notation 2.21438 × 10^5
Engineering notation 2.21438 × 10^3

Prime Factorization of 221438

Prime Factorization 2 × 7 × 15817

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 221438
Product of the distinct prime numbers

The prime factorization of 221438 is 2 × 7 × 15817. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221438)

Multiplication

n×y
n×2 442876
n×3 664314
n×4 885752
n×5 1107190

Division

n÷y
n÷2 110719
n÷3 73812.666666667
n÷3 55359.5
n÷5 44287.6

Exponentiation

ny
n2 49034787844
n3 10858165350599672
n4 2.4044104189061E+21
n5 5.3242783434173E+26

Nth Root

y√n
2√n 470.57199236674
3√n 60.499351130258
4√n 21.692671397657
5√n 11.72331488197

Divisors of 221438

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 -221437
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 221438 can be divided by 8 positive divisors. The sum of these divisors (counting 221438) is 1, the average is 0.125.

Base conversion 221438

Base System Value
2 Binary 110110000011111110
3 Ternary 102020202102
4 Quaternary 312003332
5 Quinary 24041223
6 Senary 4425102
8 Octal 660376
10 Decimal 221438
12 Duodecimal a8192
16 Hexadecimal 360fe
20 Vigesimal 17dbi
36 Base36 4qv2

Cryptographic Hash Functions

md5 485fdee616058251c13812000d92b719
sha1 64ab81662473f3e7fa8b5da8959a957028b5f844
sha256 2ef38bb6af5d357ea92acfb4aa5e064129b4afe3f9cb99166bc7123bc93ba5e5
sha512 8de6d57e28687279ec3e8554c0b19a0d42a35c6bb6f4bf6e34c1788694ffcfc6bf8d5abe496d3c5b2fd821edc16b7c9a44320baf67c62710265b39715f612599
ripemd-160 a091f6931de95cf15ca27abc522bb8a92e1863c8

221438 as geometric shapes

Circle

Radius = n
Diameter 442876
Circumference 1391335.9880512
Area 154047329261.04

Sphere

Radius = n
Volume 4.5482576662543E+16
Surface area 616189317044.18
Circumference 1391335.9880512

Square

Length = n
Perimeter 885752
Area 49034787844
Diagonal 313160.62282477

Cube

Length = n
Surface area 294208727064
Volume 10858165350599672
Space diagonal 383541.86672644

Equilateral Triangle

Length = n
Perimeter 664314
Area 21232685971.042
Altitude 191770.93336322

Triangular Pyramid

Length = n
Surface area 21232685971.042
Volume 1.2796470584423E+15
Height 104386.87427492