66888901 is an odd 8-digits composite number following 66888900
and preceding 66888902 . In scientific notation, it is written as 6.6888901 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 66729600 positive integers (up to 66888901) that are relatively prime to 66888901.
66888901 has 4 divisors, whose sum is 67048204
The reverse of 66888901 is 10988866
Previous prime number is 421
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixty-six million eight hundred eighty-eight thousand nine hundred one
Scientific notation
6.6888901 × 10^7
Engineering notation
6.6888901 × 10^6
Prime Factorization
421 × 158881
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66888901
Product of the distinct prime numbers
The prime factorization of 66888901 is 421 × 158881.
Since it has a total of 2 prime factors.
6 , 7 , 25 , 35 , 895 , 136 , 3861 , 9998 , 28521 , 9047 , 896174 , 721892 , 6640420 , 4803205 , 66603175 , 30143803 , 548902116 , 412616254 , 4582093565 , 985835385
n×2
133777802
n×3
200666703
n×4
267555604
n×5
334444505
n÷2
33444450.5
n÷3
22296300.333333
n÷3
16722225.25
n÷5
13377780.2
n2
4474125076987801
n3
2.9926930933625E+23
n4
2.0017795204531E+31
n5
1.3389683216742E+39
2 √n
8178.5635046749
3 √n
405.93019135125
4 √n
90.435410678975
5 √n
36.73421910771
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
-66888900
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 66888901 can be divided by 4 positive divisors.
The sum of these divisors (counting 66888901) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111001010010011000101
3
Ternary
11122212022022201
4
Quaternary
3333022103011
5
Quinary
114110421101
6
Senary
10345354501
8
Octal
377122305
10
Decimal
66888901
12
Duodecimal
1a498a31
16
Hexadecimal
3fca4c5
20
Vigesimal
10i1251
36
Base36
13tnt1
md5
fecd9befd51200e30599b67e9b9c26b8
sha1
251ebc5772fb14516892ec6a7583e0ffdda65dc6
sha256
0eb3df5c4ac3b5eb0778766282efad040cec0ec727fa1a353b13fa09d7aebab2
sha512
ac7e6e55532b739c4d78ee41ce2aa26aab2ec15b066c54ddea0aa07207d84f9f8079dbf009f567c29efe89bc60328ce512aff74dc77bf40b02f0ab9c4d4b03cf
ripemd-160
c570e1082373f458b236c920419211836d115bc7
Diameter
133777802
Circumference
420275359.97659
Area
1.4055878473107E+16
Volume
1.2535763515409E+24
Surface area
5.6223513892427E+16
Circumference
420275359.97659
Perimeter
267555604
Area
4474125076987801
Diagonal
94595190.966431
Surface area
26844750461926806
Volume
2.9926930933625E+23
Space diagonal
115854974.99444
Perimeter
200666703
Area
1.9373529881902E+15
Altitude
57927487.497222
Surface area
1.9373529881902E+15
Volume
3.526922633878E+22
Height
31531730.322144