661449069 (number)

661449069 is an odd 9-digits composite number following 661449068 and preceding 661449070. In scientific notation, it is written as 6.61449069 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 436844232 positive integers (up to 661449069) that are relatively prime to 661449069.

Interesting facts

Basic properties

Name

Name six hundred sixty-one million four hundred forty-nine thousand sixty-nine

Notation

Scientific notation 6.61449069 × 10^8
Engineering notation 6.61449069 × 10^6

Prime Factorization of 661449069

Prime Factorization 9 × 107 × 686863

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 661449069
Product of the distinct prime numbers

The prime factorization of 661449069 is 9 × 107 × 686863. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 661449069)

Multiplication

n×y
n×2 1322898138
n×3 1984347207
n×4 2645796276
n×5 3307245345

Division

n÷y
n÷2 330724534.5
n÷3 220483023
n÷3 165362267.25
n÷5 132289813.8

Exponentiation

ny
n2 437514870880966761
n3 2.8939380401787E+26
n4 1.9141926224199E+35
n5 1.2661409279863E+44

Nth Root

y√n
2√n 25718.652161418
3√n 871.29549761133
4√n 160.37035936051
5√n 58.089719836505

Divisors of 661449069

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 -661449068
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 661449069 can be divided by 8 positive divisors. The sum of these divisors (counting 661449069) is 1, the average is 0.125.

Base conversion 661449069

Base System Value
2 Binary 100111011011001110100101101101
3 Ternary 1201002122002112200
4 Quaternary 213123032211231
5 Quinary 2323312332234
6 Senary 145345052113
8 Octal 4733164555
10 Decimal 661449069
12 Duodecimal 165627039
16 Hexadecimal 276ce96d
20 Vigesimal a6e12d9
36 Base36 axt5d9

Cryptographic Hash Functions

md5 52c834854eccf1f74b4c3e1dd423b59b
sha1 d16cfbe5ce1528602c56d670a73d381ea29d554c
sha256 9e4c9296bcd0c562f32bb79208f69bcd8e5af9c218873636676d2e70643e2e17
sha512 aea02219b97f32ff850254b86e20e27cffabcba203bace7629bf9ac9bb4b1aec7f89c74731eda54bb9f91e0ff88d3664c8568cedff1218d00857bb7bbd875407
ripemd-160 33662e9916d1f35dc51aa8256b75462c33966fd6

661449069 as geometric shapes

Circle

Radius = n
Diameter 1322898138
Circumference 4156007071.7884
Area 1.3744935041959E+18

Sphere

Radius = n
Volume 1.2122099315959E+27
Surface area 5.4979740167837E+18
Circumference 4156007071.7884

Square

Length = n
Perimeter 2645796276
Area 437514870880966761
Diagonal 935430244.19886

Cube

Length = n
Surface area 2625089225285800566
Volume 2.8939380401787E+26
Space diagonal 1145663394.1271

Equilateral Triangle

Length = n
Perimeter 1984347207
Area 1.8944949635819E+17
Altitude 572831697.06357

Triangular Pyramid

Length = n
Surface area 1.8944949635819E+17
Volume 3.4105386875735E+25
Height 311810081.39962