668857689 (number)

668857689 is an odd 9-digits composite number following 668857688 and preceding 668857690. In scientific notation, it is written as 6.68857689 × 10^8. The sum of its digits is 63. It has a total of 5 prime factors and 16 positive divisors. There are 438346368 positive integers (up to 668857689) that are relatively prime to 668857689.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million eight hundred fifty-seven thousand six hundred eighty-nine

Notation

Scientific notation 6.68857689 × 10^8
Engineering notation 6.68857689 × 10^6

Prime Factorization of 668857689

Prime Factorization 3 × 3 × 3 × 59 × 419873

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 74317521
Product of the distinct prime numbers

The prime factorization of 668857689 is 3 × 3 × 3 × 59 × 419873. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 10, 31, 66, 414, 63, 602, 1155, 68045, 6573, 377539, 945811, 164849, 1424801, 74430873, 76307700, 457013804, 90585312, 8653266806, 6050437206

Basic calculations (n = 668857689)

Multiplication

n×y
n×2 1337715378
n×3 2006573067
n×4 2675430756
n×5 3344288445

Division

n÷y
n÷2 334428844.5
n÷3 222952563
n÷3 167214422.25
n÷5 133771537.8

Exponentiation

ny
n2 447370608134420721
n3 2.9922727108331E+26
n4 2.0014046102256E+35
n5 1.3386548623495E+44

Nth Root

y√n
2√n 25862.283135872
3√n 874.5364353775
4√n 160.81754610698
5√n 58.219268550679

Divisors of 668857689

1, 3, 9, 27, 59, 177, 531, 1593, 419873, 1259619, 3778857, 11336571, 24772507, 74317521, 222952563, 668857689

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 -668857688
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 668857689 can be divided by 16 positive divisors. The sum of these divisors (counting 668857689) is 1, the average is 0.0625.

Base conversion 668857689

Base System Value
2 Binary 100111110111011111010101011001
3 Ternary 1201121120111021000
4 Quaternary 213313133111121
5 Quinary 2332211421224
6 Senary 150211535213
8 Octal 4767372531
10 Decimal 668857689
12 Duodecimal 167bba509
16 Hexadecimal 27ddf559
20 Vigesimal a907449
36 Base36 b27xw9

Cryptographic Hash Functions

md5 fe7c61f878e8ecafa702ebff74b98ce0
sha1 12e5c962e0cb3967d39ef5ece2bc6bb4fab22b63
sha256 2cbe9ff2e0cb88d815ccde9fd502f7fde5338f28b18c91709c27eb0b343529b8
sha512 a1a288d84dc764da8c73958e0033a6c5b724b4c381da62cba669ff609bb34442ed395d6f8a659faf904e14bbd1ccff3baa48fa0575c1133fb2dc2de513e543b0
ripemd-160 5af9d7cbc719938894713963a4820cbe528d81e2

668857689 as geometric shapes

Circle

Radius = n
Diameter 1337715378
Circumference 4202556804.1189
Area 1.4054562159471E+18

Sphere

Radius = n
Volume 1.2534002621187E+27
Surface area 5.6218248637884E+18
Circumference 4202556804.1189

Square

Length = n
Perimeter 2675430756
Area 447370608134420721
Diagonal 945907615.08133

Cube

Length = n
Surface area 2684223648806524326
Volume 2.9922727108331E+26
Space diagonal 1158495500.3811

Equilateral Triangle

Length = n
Perimeter 2006573067
Area 1.9371715577545E+17
Altitude 579247750.19055

Triangular Pyramid

Length = n
Surface area 1.9371715577545E+17
Volume 3.5264272083159E+25
Height 315302538.36044