66181738 is an even 8-digits composite number following 66181737
and preceding 66181739 . In scientific notation, it is written as 6.6181738 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 28286496 positive integers (up to 66181738) that are relatively prime to 66181738.
66181738 has 16 divisors, whose sum is 113762880
The reverse of 66181738 is 83718166
Previous prime number is 379
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-six million one hundred eighty-one thousand seven hundred thirty-eight
Scientific notation
6.6181738 × 10^7
Engineering notation
6.6181738 × 10^6
Prime Factorization
2 × 7 × 379 × 12473
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66181738
Product of the distinct prime numbers
The prime factorization of 66181738 is 2 × 7 × 379 × 12473.
Since it has a total of 4 prime factors.
7 , 2 , 97 , 74 , 190 , 794 , 6670 , 9010 , 1352 , 94362 , 857030 , 616208 , 3569142 , 6642124 , 6401827 , 21679753 , 635061229 , 425535383 , 6667069206 , 343457614
n×2
132363476
n×3
198545214
n×4
264726952
n×5
330908690
n÷2
33090869
n÷3
22060579.333333
n÷3
16545434.5
n÷5
13236347.6
n2
4380022444700644
n3
2.898774978693E+23
n4
1.9184596616081E+31
n5
1.2696699468812E+39
2 √n
8135.2159160037
3 √n
404.49459488164
4 √n
90.195431791215
5 √n
36.656216221682
1 , 2 , 7 , 14 , 379 , 758 , 2653 , 5306 , 12473 , 24946 , 87311 , 174622 , 4727267 , 9454534 , 33090869 , 66181738
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66181737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66181738 can be divided by 16 positive divisors.
The sum of these divisors (counting 66181738) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111100011101101001101010
3
Ternary
11121112101021111
4
Quaternary
3330131221222
5
Quinary
113420303423
6
Senary
10322300534
8
Octal
374355152
10
Decimal
66181738
12
Duodecimal
1a1b774a
16
Hexadecimal
3f1da6a
20
Vigesimal
10dce6i
36
Base36
13ei5m
md5
8fb32135a0038b5066db905369e2bac8
sha1
f55782678ba7fd60140886c52185dcc41bfa46ab
sha256
c6a4055cdea43ffa810dbeb1d3a6130eaf2ae7f650ae6b45035f3cc7df292389
sha512
98deb8de80c868545285d68d5a2f77c19ffc4791fee5651eea1643ed92d838dfe5ec954003c725b8c284aa259c366897f5e3ab9a1c0c372263b27851a264fbd5
ripemd-160
d0a65f13b1656dea87fe303cc34dde495943a54a
Diameter
132363476
Circumference
415832123.80521
Area
1.376024633483E+16
Volume
1.2142360236629E+24
Surface area
5.504098533932E+16
Circumference
415832123.80521
Perimeter
264726952
Area
4380022444700644
Diagonal
93595111.461023
Surface area
26280134668203864
Volume
2.898774978693E+23
Space diagonal
114630132.74921
Perimeter
198545214
Area
1.8966053531284E+15
Altitude
57315066.374606
Surface area
1.8966053531284E+15
Volume
3.4162390742795E+22
Height
31198370.487008