66400972 (number)

66400972 is an even 8-digits composite number following 66400971 and preceding 66400973. In scientific notation, it is written as 6.6400972 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors. There are 28593360 positive integers (up to 66400972) that are relatively prime to 66400972.

Interesting facts

Basic properties

Name

Name sixty-six million four hundred thousand nine hundred seventy-two

Notation

Scientific notation 6.6400972 × 10^7
Engineering notation 6.6400972 × 10^6

Prime Factorization of 66400972

Prime Factorization 2 × 2 × 19 × 11 × 79427

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 33200486
Product of the distinct prime numbers

The prime factorization of 66400972 is 2 × 2 × 19 × 11 × 79427. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66400972)

Multiplication

n×y
n×2 132801944
n×3 199202916
n×4 265603888
n×5 332004860

Division

n÷y
n÷2 33200486
n÷3 22133657.333333
n÷3 16600243
n÷5 13280194.4

Exponentiation

ny
n2 4409089082544784
n3 2.9276780071556E+23
n4 1.9440066537816E+31
n5 1.2908393138556E+39

Nth Root

y√n
2√n 8148.6791567714
3√n 404.9407462975
4√n 90.270034655867
5√n 36.680469624033

Divisors of 66400972

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66400971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66400972 can be divided by 24 positive divisors. The sum of these divisors (counting 66400972) is 1, the average is 0.041666666666667.

Base conversion 66400972

Base System Value
2 Binary 11111101010011001011001100
3 Ternary 11121221112000021
4 Quaternary 3331103023030
5 Quinary 113444312342
6 Senary 10331111524
8 Octal 375231314
10 Decimal 66400972
12 Duodecimal 1a2a25a4
16 Hexadecimal 3f532cc
20 Vigesimal 10f028c
36 Base36 13j7bg

Cryptographic Hash Functions

md5 3730199b9ad3e554a8e5cb4083cb9014
sha1 beebff9045dacb5bbf8d86c8efd4663eacdc2881
sha256 d9228a2a57f85b9817de5351c06d0d36a7b3b0db8fff2213a3196e59c08b7221
sha512 13e8e7224fb8ccf580cbbeb4193099e5de9849dedd12f52e632655ffff241067d9823e7f57412abf47f2a9e6d086efa606e9140da8880745b2cdcf8c1ad0b2b6
ripemd-160 b9199a49123700fdd50c2e2dedc82694e5541233

66400972 as geometric shapes

Circle

Radius = n
Diameter 132801944
Circumference 417209611.65284
Area 1.3851561870746E+16

Sphere

Radius = n
Volume 1.2263428959142E+24
Surface area 5.5406247482983E+16
Circumference 417209611.65284

Square

Length = n
Perimeter 265603888
Area 4409089082544784
Diagonal 93905155.157156

Cube

Length = n
Surface area 26454534495268704
Volume 2.9276780071556E+23
Space diagonal 115009857.17596

Equilateral Triangle

Length = n
Perimeter 199202916
Area 1.9091915765162E+15
Altitude 57504928.587979

Triangular Pyramid

Length = n
Surface area 1.9091915765162E+15
Volume 3.4503016199841E+22
Height 31301718.385719