66561901 (number)

66561901 is an odd 8-digits composite number following 66561900 and preceding 66561902. In scientific notation, it is written as 6.6561901 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 55661280 positive integers (up to 66561901) that are relatively prime to 66561901.

Interesting facts

Basic properties

Name

Name sixty-six million five hundred sixty-one thousand nine hundred one

Notation

Scientific notation 6.6561901 × 10^7
Engineering notation 6.6561901 × 10^6

Prime Factorization of 66561901

Prime Factorization 7 × 41 × 231923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66561901
Product of the distinct prime numbers

The prime factorization of 66561901 is 7 × 41 × 231923. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66561901)

Multiplication

n×y
n×2 133123802
n×3 199685703
n×4 266247604
n×5 332809505

Division

n÷y
n÷2 33280950.5
n÷3 22187300.333333
n÷3 16640475.25
n÷5 13312380.2

Exponentiation

ny
n2 4430486664733801
n3 2.9490161475983E+23
n4 1.9629212086384E+31
n5 1.3065576716019E+39

Nth Root

y√n
2√n 8158.5477261581
3√n 405.26761969652
4√n 90.32467949657
5√n 36.698232126246

Divisors of 66561901

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 -66561900
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 66561901 can be divided by 8 positive divisors. The sum of these divisors (counting 66561901) is 1, the average is 0.125.

Base conversion 66561901

Base System Value
2 Binary 11111101111010011101101101
3 Ternary 11122020200202121
4 Quaternary 3331322131231
5 Quinary 114014440101
6 Senary 10334352541
8 Octal 375723555
10 Decimal 66561901
12 Duodecimal 1a35b751
16 Hexadecimal 3f7a76d
20 Vigesimal 10g04f1
36 Base36 13mnhp

Cryptographic Hash Functions

md5 3531911eb41589977ee9ddb3f8587efe
sha1 b86a0e4eab39fd746c26e8332dcfce1047d07d05
sha256 115e209b7369450671549ca2014f24980b581ce9123d10c88c5a204e1814f71a
sha512 b7a3182ad52374c76c07b0af11e351c9ae6f4df306d06941c848392ec5b2f7dc9bbcbd50845922b6fef7f6168c4382694fb539eeecb73f6d4510799777b14034
ripemd-160 64ee590e4fb0117852472fe2e97c71a27773841a

66561901 as geometric shapes

Circle

Radius = n
Diameter 133123802
Circumference 418220758.38114
Area 1.3918784357755E+16

Sphere

Radius = n
Volume 1.2352809952817E+24
Surface area 5.5675137431021E+16
Circumference 418220758.38114

Square

Length = n
Perimeter 266247604
Area 4430486664733801
Diagonal 94132743.131535

Cube

Length = n
Surface area 26582919988402806
Volume 2.9490161475983E+23
Space diagonal 115288594.38037

Equilateral Triangle

Length = n
Perimeter 199685703
Area 1.9184570013938E+15
Altitude 57644297.190185

Triangular Pyramid

Length = n
Surface area 1.9184570013938E+15
Volume 3.475448859659E+22
Height 31377581.043845