66881617 is an odd 8-digits composite number following 66881616
and preceding 66881618 . In scientific notation, it is written as 6.6881617 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 60801460 positive integers (up to 66881617) that are relatively prime to 66881617.
66881617 has 4 divisors, whose sum is 72961776
The reverse of 66881617 is 71618866
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixty-six million eight hundred eighty-one thousand six hundred seventeen
Scientific notation
6.6881617 × 10^7
Engineering notation
6.6881617 × 10^6
Prime Factorization
11 × 6080147
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66881617
Product of the distinct prime numbers
The prime factorization of 66881617 is 11 × 6080147.
Since it has a total of 2 prime factors.
7 , 4 , 48 , 54 , 312 , 916 , 3081 , 7361 , 45684 , 39991 , 206434 , 507018 , 6378158 , 231825 , 89791947 , 37419050 , 77652829 , 370015970 , 593364858 , 9697821287
n×2
133763234
n×3
200644851
n×4
267526468
n×5
334408085
n÷2
33440808.5
n÷3
22293872.333333
n÷3
16720404.25
n÷5
13376323.4
n2
4473150692534689
n3
2.9917155140139E+23
n4
2.0009077118124E+31
n5
1.3382394323378E+39
2 √n
8178.1181820759
3 √n
405.91545595766
4 √n
90.432948542419
5 √n
36.733419023679
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
-66881616
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 66881617 can be divided by 4 positive divisors.
The sum of these divisors (counting 66881617) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111001000100001010001
3
Ternary
11122211221022221
4
Quaternary
3333020201101
5
Quinary
114110202432
6
Senary
10345301041
8
Octal
377104121
10
Decimal
66881617
12
Duodecimal
1a494781
16
Hexadecimal
3fc8851
20
Vigesimal
10i040h
36
Base36
13ti6p
md5
c172907f3f11225a04c40bd2769f3494
sha1
a7691c16402eaa7399b79e0d47b83e3b72fe489d
sha256
78538434c081dc4e33a77783220ec032ca9145e24a59b786eb2b8a22a7a8c0ee
sha512
e0214265df887233b62ca055d3a9cfe4a107227d0e892e80dbd6b909803a025a8e2055cbd42cc3e0fbf68ec6f08c63b51c4ac4046f71e402a8ba4c60e4b5dcce
ripemd-160
11be74098241e45c583daf9508da236aada867f6
Diameter
133763234
Circumference
420229593.25481
Area
1.4052817354067E+16
Volume
1.2531668640609E+24
Surface area
5.6211269416268E+16
Circumference
420229593.25481
Perimeter
267526468
Area
4473150692534689
Diagonal
94584889.834843
Surface area
26838904155208134
Volume
2.9917155140139E+23
Space diagonal
115842358.73636
Perimeter
200644851
Area
1.9369310673455E+15
Altitude
57921179.368181
Surface area
1.9369310673455E+15
Volume
3.525770545567E+22
Height
31528296.611614