66545947 is an odd 8-digits composite number following 66545946
and preceding 66545948 . In scientific notation, it is written as 6.6545947 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 61158240 positive integers (up to 66545947) that are relatively prime to 66545947.
66545947 has 12 divisors, whose sum is 72374304
The reverse of 66545947 is 74954566
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixty-six million five hundred forty-five thousand nine hundred forty-seven
Scientific notation
6.6545947 × 10^7
Engineering notation
6.6545947 × 10^6
Prime Factorization
13 × 13 × 271 × 1453
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5118919
Product of the distinct prime numbers
The prime factorization of 66545947 is 13 × 13 × 271 × 1453.
Since it has a total of 4 prime factors.
10 , 9 , 95 , 64 , 880 , 775 , 3599 , 3554 , 26020 , 15885 , 686450 , 172823 , 724206 , 9812880 , 9066433 , 3841150 , 862060339 , 796914203 , 8409880069 , 4541436336
n×2
133091894
n×3
199637841
n×4
266183788
n×5
332729735
n÷2
33272973.5
n÷3
22181982.333333
n÷3
16636486.75
n÷5
13309189.4
n2
4428363062126809
n3
2.9468961362905E+23
n4
1.9610399410009E+31
n5
1.3049925997873E+39
2 √n
8157.5699200191
3 √n
405.23523802797
4 √n
90.319266604745
5 √n
36.696472742191
1 , 13 , 169 , 271 , 1453 , 3523 , 18889 , 45799 , 245557 , 393763 , 5118919 , 66545947
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66545946
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66545947 can be divided by 12 positive divisors.
The sum of these divisors (counting 66545947) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111101110110100100011011
3
Ternary
11122012212212201
4
Quaternary
3331312210123
5
Quinary
114013432242
6
Senary
10334151031
8
Octal
375664433
10
Decimal
66545947
12
Duodecimal
1a352477
16
Hexadecimal
3f7691b
20
Vigesimal
10fi4h7
36
Base36
13mb6j
md5
0c7e3b7c824655a79059204ade237536
sha1
e217754fddb59bff0bc7e9651cba74e840923621
sha256
1d247c69648a8736aec359af593908a83ac3fa85609c69d13341cce73ac45985
sha512
140f726144763d4eed3244d4bae14b7112d85e46db27b53c0cd48d4542edbaafe097894253ba2c528dd0b8104b55a3b1dc97eb2976bec8835be33a10730061cf
ripemd-160
02315b215d1088f4a766e61970890c8dce43f70d
Diameter
133091894
Circumference
418120516.44275
Area
1.3912112863406E+16
Volume
1.2343929670216E+24
Surface area
5.5648451453624E+16
Circumference
418120516.44275
Perimeter
266183788
Area
4428363062126809
Diagonal
94110180.768361
Surface area
26570178372760854
Volume
2.9468961362905E+23
Space diagonal
115260961.24179
Perimeter
199637841
Area
1.9175374544912E+15
Altitude
57630480.620893
Surface area
1.9175374544912E+15
Volume
3.4729504023724E+22
Height
31370060.25612