668855438 (number)

668855438 is an even 9-digits composite number following 668855437 and preceding 668855439. In scientific notation, it is written as 6.68855438 × 10^8. The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors. There are 324966816 positive integers (up to 668855438) that are relatively prime to 668855438.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million eight hundred fifty-five thousand four hundred thirty-eight

Notation

Scientific notation 6.68855438 × 10^8
Engineering notation 6.68855438 × 10^6

Prime Factorization of 668855438

Prime Factorization 2 × 37 × 829 × 10903

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 668855438
Product of the distinct prime numbers

The prime factorization of 668855438 is 2 × 37 × 829 × 10903. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 75, 37, 929, 697, 2208, 3453, 64037, 65511, 821369, 550290, 1611629, 5770481, 86205224, 96142794, 922058896, 385744616, 3569060661, 2350501774

Basic calculations (n = 668855438)

Multiplication

n×y
n×2 1337710876
n×3 2006566314
n×4 2675421752
n×5 3344277190

Division

n÷y
n÷2 334427719
n÷3 222951812.66667
n÷3 167213859.5
n÷5 133771087.6

Exponentiation

ny
n2 447367596942171844
n3 2.9922424999976E+26
n4 2.0013776679381E+35
n5 1.3386323366922E+44

Nth Root

y√n
2√n 25862.239616862
3√n 874.53545430995
4√n 160.81741080139
5√n 58.219229363943

Divisors of 668855438

1, 2, 37, 74, 829, 1658, 10903, 21806, 30673, 61346, 403411, 806822, 9038587, 18077174, 334427719, 668855438

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668855437
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668855438 can be divided by 16 positive divisors. The sum of these divisors (counting 668855438) is 1, the average is 0.0625.

Base conversion 668855438

Base System Value
2 Binary 100111110111011110110010001110
3 Ternary 1201121120101011122
4 Quaternary 213313132302032
5 Quinary 2332211333223
6 Senary 150211520542
8 Octal 4767366216
10 Decimal 668855438
12 Duodecimal 167bb9152
16 Hexadecimal 27ddec8e
20 Vigesimal a906ibi
36 Base36 b27w5q

Cryptographic Hash Functions

md5 c46116985619af899a69243ccfeb3ff8
sha1 8ec67729c7f896183d6961743ded341bc0aec042
sha256 d191b07a0532f90c0c3c58c70acba9fad9c444271e230365c9538b2e5ea01b50
sha512 8d2bb37c4564a3f784e58f4dba9ac824b54240d5c6a56cb435923032a58726662d284f682efcc827db9544f640b2b151a288f2fb4d2de4a149b89075105ccf01
ripemd-160 a49317dd2ad2959279b1b9cd12c2191792c74c98

668855438 as geometric shapes

Circle

Radius = n
Diameter 1337710876
Circumference 4202542660.6688
Area 1.4054467560076E+18

Sphere

Radius = n
Volume 1.2533876074336E+27
Surface area 5.6217870240306E+18
Circumference 4202542660.6688

Square

Length = n
Perimeter 2675421752
Area 447367596942171844
Diagonal 945904431.6866

Cube

Length = n
Surface area 2684205581653031064
Volume 2.9922424999976E+26
Space diagonal 1158491601.5347

Equilateral Triangle

Length = n
Perimeter 2006566314
Area 1.9371585189096E+17
Altitude 579245800.76737

Triangular Pyramid

Length = n
Surface area 1.9371585189096E+17
Volume 3.5263916045049E+25
Height 315301477.22887