231206721 (number)

231206721 is an odd 9-digits composite number following 231206720 and preceding 231206722. In scientific notation, it is written as 2.31206721 × 10^8. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 154137812 positive integers (up to 231206721) that are relatively prime to 231206721.

Interesting facts

Basic properties

Name

Name two hundred thirty-one million two hundred six thousand seven hundred twenty-one

Notation

Scientific notation 2.31206721 × 10^8
Engineering notation 2.31206721 × 10^6

Prime Factorization of 231206721

Prime Factorization 3 × 77068907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 231206721
Product of the distinct prime numbers

The prime factorization of 231206721 is 3 × 77068907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 10, 87, 64, 106, 44, 103, 5450, 45921, 60815, 30475, 671438, 2686501, 6306461, 33373942, 30337860, 604968822, 513959734, 7110252805, 5361954084

Basic calculations (n = 231206721)

Multiplication

n×y
n×2 462413442
n×3 693620163
n×4 924826884
n×5 1156033605

Division

n÷y
n÷2 115603360.5
n÷3 77068907
n÷3 57801680.25
n÷5 46241344.2

Exponentiation

ny
n2 53456547835571841
n3 1.2359513141042E+25
n4 2.8576025064968E+33
n5 6.606969054485E+41

Nth Root

y√n
2√n 15205.483254405
3√n 613.76221928736
4√n 123.3105155873
5√n 47.076058179684

Divisors of 231206721

1, 3, 77068907, 231206721

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -231206720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 231206721 can be divided by 4 positive divisors. The sum of these divisors (counting 231206721) is 1, the average is 0.25.

Base conversion 231206721

Base System Value
2 Binary 1101110001111110111101000001
3 Ternary 121010001111222220
4 Quaternary 31301332331001
5 Quinary 433142103341
6 Senary 34535321253
8 Octal 1561767501
10 Decimal 231206721
12 Duodecimal 65520229
16 Hexadecimal dc7ef41
20 Vigesimal 3c50gg1
36 Base36 3tnk8x

Cryptographic Hash Functions

md5 42987e07240482f6a8bf90c35d247aed
sha1 94032a0094aae933de53f0f14e5923d5a3064341
sha256 4ca11f687ccf4a02ed75953edcb91f57baabea1216bd10ab9ea0d301a5478853
sha512 a465d8467fb67618c5fd8619fdc6fd38d768058c1202e6b36c16b2097773e2f6be42f78c17badbf4e7ab6b6cadf7898b1c9b0fa28b58d2f31cdf738af97a9fce
ripemd-160 3ac18291fbdbb21a520c2c8b64468156fe5f45a1

231206721 as geometric shapes

Circle

Radius = n
Diameter 462413442
Circumference 1452714672.3084
Area 1.679386979665E+17

Sphere

Radius = n
Volume 5.1771407581126E+25
Surface area 6.7175479186602E+17
Circumference 1452714672.3084

Square

Length = n
Perimeter 924826884
Area 53456547835571841
Diagonal 326975680.55001

Cube

Length = n
Surface area 320739287013431046
Volume 1.2359513141042E+25
Space diagonal 400461787.8234

Equilateral Triangle

Length = n
Perimeter 693620163
Area 2.3147364212112E+16
Altitude 200230893.9117

Triangular Pyramid

Length = n
Surface area 2.3147364212112E+16
Volume 1.4565825923659E+24
Height 108991893.51667