66887620 is an even 8-digits composite number following 66887619
and preceding 66887621 . In scientific notation, it is written as 6.6887620 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors.
There are 26714112 positive integers (up to 66887620) that are relatively prime to 66887620.
66887620 has 24 divisors, whose sum is 140679000
The reverse of 66887620 is 02678866
Previous prime number is 4349
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixty-six million eight hundred eighty-seven thousand six hundred twenty
Scientific notation
6.6887620 × 10^7
Engineering notation
6.6887620 × 10^6
Prime Factorization
2 × 2 × 5 × 4349 × 769
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
33443810
Product of the distinct prime numbers
The prime factorization of 66887620 is 2 × 2 × 5 × 4349 × 769.
Since it has a total of 5 prime factors.
10 , 9 , 81 , 33 , 626 , 423 , 1617 , 1523 , 95664 , 2600 , 752612 , 106982 , 9524233 , 2843108 , 86864250 , 89788563 , 216667933 , 310406215 , 3496569695 , 8799370170
n×2
133775240
n×3
200662860
n×4
267550480
n×5
334438100
n÷2
33443810
n÷3
22295873.333333
n÷3
16721905
n÷5
13377524
n2
4473953709264400
n3
2.9925211560287E+23
n4
2.0016261792641E+31
n5
1.3388401126067E+39
2 √n
8178.4851898136
3 √n
405.92759999012
4 √n
90.434977690126
5 √n
36.734078406056
1 , 2 , 4 , 5 , 10 , 20 , 769 , 1538 , 3076 , 3845 , 4349 , 7690 , 8698 , 15380 , 17396 , 21745 , 43490 , 86980 , 3344381 , 6688762 , 13377524 , 16721905 , 33443810 , 66887620
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66887619
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66887620 can be divided by 24 positive divisors.
The sum of these divisors (counting 66887620) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11111111001001111111000100
3
Ternary
11122212020120021
4
Quaternary
3333021333010
5
Quinary
114110400440
6
Senary
10345344524
8
Octal
377117704
10
Decimal
66887620
12
Duodecimal
1a498144
16
Hexadecimal
3fc9fc4
20
Vigesimal
10i0j10
36
Base36
13tmtg
md5
586fba50d5cf59603a24810584b6ddfa
sha1
6ea2150fbc4270ed9cbef3bb61a1ef8dbcf741ba
sha256
3e6fd222141e7917fba22432e3fcba85fca2609f7bf4da56f723585486c2caa2
sha512
c93cc4109656536a6957a350f802bb882e36f7b51b292b862740abfe7b3ab350c5a5d677860bb0e52eea5a8fc76cdabac8dfd39380841768ac809a3fa8f8279f
ripemd-160
e115f0da00e650b7c8e149c279830530ad8d7d9a
Diameter
133775240
Circumference
420267311.21621
Area
1.4055340105526E+16
Volume
1.2535043305989E+24
Surface area
5.6221360422103E+16
Circumference
420267311.21621
Perimeter
267550480
Area
4473953709264400
Diagonal
94593379.358858
Surface area
26843722255586400
Volume
2.9925211560287E+23
Space diagonal
115852756.23736
Perimeter
200662860
Area
1.9372787837893E+15
Altitude
57926378.11868
Surface area
1.9372787837893E+15
Volume
3.5267200037868E+22
Height
31531126.452953