668673921 (number)

668673921 is an odd 9-digits composite number following 668673920 and preceding 668673922. In scientific notation, it is written as 6.68673921 × 10^8. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 445782612 positive integers (up to 668673921) that are relatively prime to 668673921.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million six hundred seventy-three thousand nine hundred twenty-one

Notation

Scientific notation 6.68673921 × 10^8
Engineering notation 6.68673921 × 10^6

Prime Factorization of 668673921

Prime Factorization 3 × 222891307

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 668673921
Product of the distinct prime numbers

The prime factorization of 668673921 is 3 × 222891307. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 8, 86, 3, 611, 293, 739, 3942, 44214, 47988, 177651, 290236, 1969404, 7975856, 91568283, 66587585, 437614711, 497932035, 6266349437, 6781260005

Basic calculations (n = 668673921)

Multiplication

n×y
n×2 1337347842
n×3 2006021763
n×4 2674695684
n×5 3343369605

Division

n÷y
n÷2 334336960.5
n÷3 222891307
n÷3 167168480.25
n÷5 133734784.2

Exponentiation

ny
n2 447124812625514241
n3 2.9898070163469E+26
n4 1.999205980654E+35
n5 1.3368169019706E+44

Nth Root

y√n
2√n 25858.730073227
3√n 874.4563353627
4√n 160.80649885259
5√n 58.216069061547

Divisors of 668673921

1, 3, 222891307, 668673921

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 -668673920
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 668673921 can be divided by 4 positive divisors. The sum of these divisors (counting 668673921) is 1, the average is 0.25.

Base conversion 668673921

Base System Value
2 Binary 100111110110110010011110000001
3 Ternary 1201121020011011210
4 Quaternary 213312302132001
5 Quinary 2332140031141
6 Senary 150204000333
8 Octal 4766623601
10 Decimal 668673921
12 Duodecimal 167b300a9
16 Hexadecimal 27db2781
20 Vigesimal a8j44g1
36 Base36 b2403l

Cryptographic Hash Functions

md5 9dff96deff3a4924a21557b360ff25ea
sha1 8c480bd9c453c96cf005845ea439ef5ee3c13116
sha256 d937ef966a546096af54ed351dfab720375df7a70645e486b266d8ccacae47df
sha512 1117fa3bb769971e6316624cf17fe5590ed877e11cab5993b40df5fd21994ebbddc065e18695f2eded67265f74fbd73c9a0782c8afe75f0ba2a3bd50ecd236e9
ripemd-160 a88022781048c125dff6ba3e3b82e27169869728

668673921 as geometric shapes

Circle

Radius = n
Diameter 1337347842
Circumference 4201402155.7214
Area 1.404684026582E+18

Sphere

Radius = n
Volume 1.2523674344276E+27
Surface area 5.6187361063281E+18
Circumference 4201402155.7214

Square

Length = n
Perimeter 2674695684
Area 447124812625514241
Diagonal 945647727.8834

Cube

Length = n
Surface area 2682748875753085446
Volume 2.9898070163469E+26
Space diagonal 1158177204.8683

Equilateral Triangle

Length = n
Perimeter 2006021763
Area 1.9361072319803E+17
Altitude 579088602.43415

Triangular Pyramid

Length = n
Surface area 1.9361072319803E+17
Volume 3.5235213594967E+25
Height 315215909.29447