245679987 (number)

245679987 is an odd 9-digits composite number following 245679986 and preceding 245679988. In scientific notation, it is written as 2.45679987 × 10^8. The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors. There are 140388552 positive integers (up to 245679987) that are relatively prime to 245679987.

Interesting facts

Basic properties

Name

Name two hundred forty-five million six hundred seventy-nine thousand nine hundred eighty-seven

Notation

Scientific notation 2.45679987 × 10^8
Engineering notation 2.45679987 × 10^6

Prime Factorization of 245679987

Prime Factorization 21 × 11699047

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 245679987
Product of the distinct prime numbers

The prime factorization of 245679987 is 21 × 11699047. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 10, 30, 43, 49, 736, 1702, 8815, 10348, 57475, 597139, 424406, 3488894, 7110209, 13726744, 3775763, 613128707, 660229978, 2915552302, 3083231535

Basic calculations (n = 245679987)

Multiplication

n×y
n×2 491359974
n×3 737039961
n×4 982719948
n×5 1228399935

Division

n÷y
n÷2 122839993.5
n÷3 81893329
n÷3 61419996.75
n÷5 49135997.4

Exponentiation

ny
n2 60358656012320169
n3 1.4828913824444E+25
n4 3.6431673556136E+33
n5 8.9505330856597E+41

Nth Root

y√n
2√n 15674.182179623
3√n 626.3108377118
4√n 125.1965741529
5√n 47.651212523821

Divisors of 245679987

1, 21, 11699047, 245679987

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 -245679986
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 245679987 can be divided by 4 positive divisors. The sum of these divisors (counting 245679987) is 1, the average is 0.25.

Base conversion 245679987

Base System Value
2 Binary 1110101001001100011101110011
3 Ternary 122010021211120210
4 Quaternary 32221030131303
5 Quinary 1000343224422
6 Senary 40213435203
8 Octal 1651143563
10 Decimal 245679987
12 Duodecimal 6a33bb03
16 Hexadecimal ea4c773
20 Vigesimal 3gf9jj7
36 Base36 429rw3

Cryptographic Hash Functions

md5 c69eaf672114640b17aabe95dbd1bb97
sha1 34fc969c83582c72e2c57d35e031aab70c6d85d9
sha256 a793f125bec0f39eb7fc3faaf7c83d6e655810ba6d42d28698baae241ff23bc4
sha512 d4549c799e6e6b3a614fa9e262584888538928a6d529a0008883051c9dd4ba7c733b55cb15c01ccce15d2515e3ce478a128512e99bf1143cdfb6c0540e89de09
ripemd-160 89d7f65291a5fe4d466731c680f4321f8590df3b

245679987 as geometric shapes

Circle

Radius = n
Diameter 491359974
Circumference 1543652884.5865
Area 1.8962231030886E+17

Sphere

Radius = n
Volume 6.2115208975454E+25
Surface area 7.5848924123543E+17
Circumference 1543652884.5865

Square

Length = n
Perimeter 982719948
Area 60358656012320169
Diagonal 347443969.61905

Cube

Length = n
Surface area 362151936073921014
Volume 1.4828913824444E+25
Space diagonal 425530219.88686

Equilateral Triangle

Length = n
Perimeter 737039961
Area 2.6136064722478E+16
Altitude 212765109.94343

Triangular Pyramid

Length = n
Surface area 2.6136064722478E+16
Volume 1.7476042538159E+24
Height 115814656.53968