668840381 (number)

668840381 is an odd 9-digits composite number following 668840380 and preceding 668840382. In scientific notation, it is written as 6.68840381 × 10^8. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 599706720 positive integers (up to 668840381) that are relatively prime to 668840381.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million eight hundred forty thousand three hundred eighty-one

Notation

Scientific notation 6.68840381 × 10^8
Engineering notation 6.68840381 × 10^6

Prime Factorization of 668840381

Prime Factorization 73 × 11 × 832927

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 668840381
Product of the distinct prime numbers

The prime factorization of 668840381 is 73 × 11 × 832927. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 6, 9, 77, 438, 57, 9151, 943, 55233, 94441, 986899, 899406, 5747809, 5339209, 73708088, 56717930, 895605024, 121749757, 9733932686, 294983928

Basic calculations (n = 668840381)

Multiplication

n×y
n×2 1337680762
n×3 2006521143
n×4 2675361524
n×5 3344201905

Division

n÷y
n÷2 334420190.5
n÷3 222946793.66667
n÷3 167210095.25
n÷5 133768076.2

Exponentiation

ny
n2 447347455256225161
n3 2.9920404241295E+26
n4 2.0011974572422E+35
n5 1.3384816697581E+44

Nth Root

y√n
2√n 25861.948515145
3√n 874.52889186591
4√n 160.81650572981
5√n 58.218967240087

Divisors of 668840381

1, 11, 73, 803, 832927, 9162197, 60803671, 668840381

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 -668840380
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 668840381 can be divided by 8 positive divisors. The sum of these divisors (counting 668840381) is 1, the average is 0.125.

Base conversion 668840381

Base System Value
2 Binary 100111110111011011000110111101
3 Ternary 1201121112121111222
4 Quaternary 213313123012331
5 Quinary 2332210343011
6 Senary 150211323125
8 Octal 4767330675
10 Decimal 668840381
12 Duodecimal 167bb04a5
16 Hexadecimal 27ddb1bd
20 Vigesimal a9050j1
36 Base36 b27kjh

Cryptographic Hash Functions

md5 5c7ff90d075a6f3ad7e71f8b0d1c5331
sha1 750977a7a46eb622c5f603d46b97eb5252cbd170
sha256 990de157e2ea9a12f181285e9041e56a9ea27fd2b6c5af2afb4f32d90d508249
sha512 05f5e42a698c3ef71db4199a20bc00f58705ab3f8c79aa6a4e9b3a4060158f0c205d7baa97f332e219fa49a29bcd0ed65748b76377814dd403e4535c9b00bb5b
ripemd-160 cc031ecfe0706a11fe168e77b24882fc6c3ea413

668840381 as geometric shapes

Circle

Radius = n
Diameter 1337680762
Circumference 4202448054.7476
Area 1.405383479035E+18

Sphere

Radius = n
Volume 1.2533029620919E+27
Surface area 5.6215339161402E+18
Circumference 4202448054.7476

Square

Length = n
Perimeter 2675361524
Area 447347455256225161
Diagonal 945883137.87299

Cube

Length = n
Surface area 2684084731537350966
Volume 2.9920404241295E+26
Space diagonal 1158465522.0457

Equilateral Triangle

Length = n
Perimeter 2006521143
Area 1.9370713028511E+17
Altitude 579232761.02286

Triangular Pyramid

Length = n
Surface area 1.9370713028511E+17
Volume 3.5261534558105E+25
Height 315294379.291