66720912 (number)

66720912 is an even 8-digits composite number following 66720911 and preceding 66720913. In scientific notation, it is written as 6.6720912 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 20 positive divisors. There are 22240288 positive integers (up to 66720912) that are relatively prime to 66720912.

Interesting facts

Basic properties

Name

Name sixty-six million seven hundred twenty thousand nine hundred twelve

Notation

Scientific notation 6.6720912 × 10^7
Engineering notation 6.6720912 × 10^6

Prime Factorization of 66720912

Prime Factorization 2 × 2 × 2 × 2 × 3 × 1390019

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 8340114
Product of the distinct prime numbers

The prime factorization of 66720912 is 2 × 2 × 2 × 2 × 3 × 1390019. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66720912)

Multiplication

n×y
n×2 133441824
n×3 200162736
n×4 266883648
n×5 333604560

Division

n÷y
n÷2 33360456
n÷3 22240304
n÷3 16680228
n÷5 13344182.4

Exponentiation

ny
n2 4451680098111744
n3 2.9702015607827E+23
n4 1.9817455695924E+31
n5 1.3222387175517E+39

Nth Root

y√n
2√n 8168.2869685143
3√n 405.59008024788
4√n 90.378575826986
5√n 36.715749217372

Divisors of 66720912

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66720911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66720912 can be divided by 20 positive divisors. The sum of these divisors (counting 66720912) is 1, the average is 0.05.

Base conversion 66720912

Base System Value
2 Binary 11111110100001010010010000
3 Ternary 11122112202212220
4 Quaternary 3332201102100
5 Quinary 114040032122
6 Senary 10342021040
8 Octal 376412220
10 Decimal 66720912
12 Duodecimal 1a417780
16 Hexadecimal 3fa1490
20 Vigesimal 10h025c
36 Base36 13q26o

Cryptographic Hash Functions

md5 fd1986a5773eb7a5059b974a528526fe
sha1 07ae67dc48228288b205bf200b884a145b3fe710
sha256 b51152b4b6954371cbef234cabf40629c929a6e92a4d55452249759c104c3412
sha512 fdec17e9801163913299b1dedec925c5bb6154805067b11c4b42e526f2978d429124454e2c1a529ce51b1ca9fe1fdc5d962d8c2e9d55d1dcf1a039f1af1f679b
ripemd-160 cd468541fdb5b63df4a8a19f292103640f3f6e72

66720912 as geometric shapes

Circle

Radius = n
Diameter 133441824
Circumference 419219853.96002
Area 1.398536549236E+16

Sphere

Radius = n
Volume 1.2441551204048E+24
Surface area 5.5941461969439E+16
Circumference 419219853.96002

Square

Length = n
Perimeter 266883648
Area 4451680098111744
Diagonal 94357618.644302

Cube

Length = n
Surface area 26710080588670464
Volume 2.9702015607827E+23
Space diagonal 115564009.51133

Equilateral Triangle

Length = n
Perimeter 200162736
Area 1.9276340272432E+15
Altitude 57782004.755666

Triangular Pyramid

Length = n
Surface area 1.9276340272432E+15
Volume 3.5004161085338E+22
Height 31452539.548101