668742457 (number)

668742457 is an odd 9-digits composite number following 668742456 and preceding 668742458. In scientific notation, it is written as 6.68742457 × 10^8. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 639666676 positive integers (up to 668742457) that are relatively prime to 668742457.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million seven hundred forty-two thousand four hundred fifty-seven

Notation

Scientific notation 6.68742457 × 10^8
Engineering notation 6.68742457 × 10^6

Prime Factorization of 668742457

Prime Factorization 23 × 29075759

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 668742457
Product of the distinct prime numbers

The prime factorization of 668742457 is 23 × 29075759. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 668742457)

Multiplication

n×y
n×2 1337484914
n×3 2006227371
n×4 2674969828
n×5 3343712285

Division

n÷y
n÷2 334371228.5
n÷3 222914152.33333
n÷3 167185614.25
n÷5 133748491.4

Exponentiation

ny
n2 447216473794396849
n3 2.9907264349614E+26
n4 2.0000257443309E+35
n5 1.3375021303271E+44

Nth Root

y√n
2√n 25860.055239694
3√n 874.48621025889
4√n 160.81061917577
5√n 58.217262388463

Divisors of 668742457

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 -668742456
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 668742457 can be divided by 4 positive divisors. The sum of these divisors (counting 668742457) is 1, the average is 0.25.

Base conversion 668742457

Base System Value
2 Binary 100111110111000011001100111001
3 Ternary 1201121100122012011
4 Quaternary 213313003030321
5 Quinary 2332144224312
6 Senary 150205245521
8 Octal 4767031471
10 Decimal 668742457
12 Duodecimal 167b638a1
16 Hexadecimal 27dc3339
20 Vigesimal a8jcg2h
36 Base36 b25gzd

Cryptographic Hash Functions

md5 d80ee3dd69f716bc97ff343bd05e1045
sha1 53cae380b25d93afa13144032ab65cceea6fc66b
sha256 f0dd6c9e64a28fc1a46f1eb9f947031d4029ca5c4b1b71b1b1308d2e1c9a7ca5
sha512 abc25ad0b15f0d366b9a814992fe7ac38a2cd86190075e0f7cecc1d90e9f3f9c19ac09c23f607cfe682d6da0f4e0720050d8b66e53c51091062c8f9310e9dad6
ripemd-160 5355509d580fc4467655c277822ad566133d5937

668742457 as geometric shapes

Circle

Radius = n
Diameter 1337484914
Circumference 4201832780.1096
Area 1.4049719886368E+18

Sphere

Radius = n
Volume 1.2527525595962E+27
Surface area 5.6198879545472E+18
Circumference 4201832780.1096

Square

Length = n
Perimeter 2674969828
Area 447216473794396849
Diagonal 945744652.42411

Cube

Length = n
Surface area 2683298842766381094
Volume 2.9907264349614E+26
Space diagonal 1158295912.7024

Equilateral Triangle

Length = n
Perimeter 2006227371
Area 1.9365041364842E+17
Altitude 579147956.35122

Triangular Pyramid

Length = n
Surface area 1.9365041364842E+17
Volume 3.5246049047251E+25
Height 315248217.4747