66151421 is an odd 8-digits composite number following 66151420
and preceding 66151422 . In scientific notation, it is written as 6.6151421 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 56701176 positive integers (up to 66151421) that are relatively prime to 66151421.
66151421 has 4 divisors, whose sum is 67501500
The reverse of 66151421 is 12415166
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
sixty-six million one hundred fifty-one thousand four hundred twenty-one
Scientific notation
6.6151421 × 10^7
Engineering notation
6.6151421 × 10^6
Prime Factorization
49 × 1350029
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66151421
Product of the distinct prime numbers
The prime factorization of 66151421 is 49 × 1350029.
Since it has a total of 2 prime factors.
3 , 4 , 36 , 100 , 525 , 252 , 1907 , 1969 , 74483 , 48500 , 323272 , 432479 , 7112690 , 340231 , 79932329 , 29328208 , 905725403 , 721793506 , 4532710713 , 6289949823
n×2
132302842
n×3
198454263
n×4
264605684
n×5
330757105
n÷2
33075710.5
n÷3
22050473.666667
n÷3
16537855.25
n÷5
13230284.2
n2
4376010500319241
n3
2.8947931290704E+23
n4
1.9149467898904E+31
n5
1.2667645129064E+39
2 √n
8133.3523838575
3 √n
404.43282086362
4 √n
90.185100675541
5 √n
36.652857258237
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
-66151420
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 66151421 can be divided by 4 positive divisors.
The sum of these divisors (counting 66151421) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111100010110001111111101
3
Ternary
11121110211200122
4
Quaternary
3330112033331
5
Quinary
113413321141
6
Senary
10321504325
8
Octal
374261775
10
Decimal
66151421
12
Duodecimal
1a1a20a5
16
Hexadecimal
3f163fd
20
Vigesimal
10d8ib1
36
Base36
13durh
md5
ed6efa3f4521fd8a6205eab885bfd4dd
sha1
347dae13cfc07fe2f50532cb66d70d503deb3a2c
sha256
2539e456b5deaa0c6ab3902fe0a4c1e925cb450c7e8fe42e263c924c920bef01
sha512
da66e895c2954dfcf7a4f3eeafa5ba5b3fee0d8a2fc57b60412e0bed77f1e1a86c150f4a38b6a32e4dd6127aff968430b18acd44a4a98338f67ecc4fc7552a64
ripemd-160
41f922041d9404c7e5c056da11234397e3e20896
Diameter
132302842
Circumference
415641636.47625
Area
1.3747642439835E+16
Volume
1.2125681103933E+24
Surface area
5.4990569759339E+16
Circumference
415641636.47625
Perimeter
264605684
Area
4376010500319241
Diagonal
93552236.748452
Surface area
26256063001915446
Volume
2.8947931290704E+23
Space diagonal
114577622.16488
Perimeter
198454263
Area
1.894868130252E+15
Altitude
57288811.082439
Surface area
1.894868130252E+15
Volume
3.4115464194965E+22
Height
31184078.916151