668045987 (number)

668045987 is an odd 9-digits composite number following 668045986 and preceding 668045988. In scientific notation, it is written as 6.68045987 × 10^8. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 572610840 positive integers (up to 668045987) that are relatively prime to 668045987.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million forty-five thousand nine hundred eighty-seven

Notation

Scientific notation 6.68045987 × 10^8
Engineering notation 6.68045987 × 10^6

Prime Factorization of 668045987

Prime Factorization 7 × 95435141

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 668045987
Product of the distinct prime numbers

The prime factorization of 668045987 is 7 × 95435141. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 2, 29, 46, 876, 453, 4173, 7345, 83239, 49255, 654669, 171077, 7169061, 824828, 53042449, 31741740, 774965247, 555663208, 9133532538, 9226884413

Basic calculations (n = 668045987)

Multiplication

n×y
n×2 1336091974
n×3 2004137961
n×4 2672183948
n×5 3340229935

Division

n÷y
n÷2 334022993.5
n÷3 222681995.66667
n÷3 167011496.75
n÷5 133609197.4

Exponentiation

ny
n2 446285440746804169
n3 2.9813919774743E+26
n4 1.9917069462257E+35
n5 1.3305518327061E+44

Nth Root

y√n
2√n 25846.585596554
3√n 874.18252336006
4√n 160.76873326787
5√n 58.205131117908

Divisors of 668045987

1, 7, 95435141, 668045987

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 -668045986
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 668045987 can be divided by 4 positive divisors. The sum of these divisors (counting 668045987) is 1, the average is 0.25.

Base conversion 668045987

Base System Value
2 Binary 100111110100011001001010100011
3 Ternary 1201120001020210222
4 Quaternary 213310121022203
5 Quinary 2332004432422
6 Senary 150142313255
8 Octal 4764311243
10 Decimal 668045987
12 Duodecimal 16788882b
16 Hexadecimal 27d192a3
20 Vigesimal a8f5ej7
36 Base36 b1qjkz

Cryptographic Hash Functions

md5 6f1cefb874379f775e4d592c7a8c46fa
sha1 e546dc4596d5c6f1bcc867c6f5f46e81942fa3a6
sha256 d0cf94f57308c7508bb0dd4948b3ff73f1eea70c4ef56da1f72114e76700052b
sha512 6fbccdff99ec1120f6719c01875dbe1c43b8ec46b3d45b44c3a6b00b4e2588ff675346cf2ac5dd9bad82fa556315657708b15bb84582006fb7e58dbe8cbf1700
ripemd-160 59f9a293eb1774c1c18eaa7338d9db847f7c8454

668045987 as geometric shapes

Circle

Radius = n
Diameter 1336091974
Circumference 4197456730.0387
Area 1.4020470620542E+18

Sphere

Radius = n
Volume 1.2488425511873E+27
Surface area 5.608188248217E+18
Circumference 4197456730.0387

Square

Length = n
Perimeter 2672183948
Area 446285440746804169
Diagonal 944759695.10432

Cube

Length = n
Surface area 2677712644480825014
Volume 2.9813919774743E+26
Space diagonal 1157089591.2765

Equilateral Triangle

Length = n
Perimeter 2004137961
Area 1.9324726451293E+17
Altitude 578544795.63825

Triangular Pyramid

Length = n
Surface area 1.9324726451293E+17
Volume 3.5136041410787E+25
Height 314919898.36811