138984986 is an even 9-digits composite number following 138984985
and preceding 138984987 . In scientific notation, it is written as 1.38984986 × 10^8.
The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors.
There are 59501040 positive integers (up to 138984986) that are relatively prime to 138984986.
138984986 has 16 divisors, whose sum is 238515840
The reverse of 138984986 is 689489831
Previous prime number is 1031
Is Prime? no
Number parity even
Number length 9
Sum of Digits 56
Digital Root 2
Name
one hundred thirty-eight million nine hundred eighty-four thousand nine hundred eighty-six
Scientific notation
1.38984986 × 10^8
Engineering notation
1.38984986 × 10^6
Prime Factorization
2 × 7 × 1031 × 9629
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
138984986
Product of the distinct prime numbers
The prime factorization of 138984986 is 2 × 7 × 1031 × 9629.
Since it has a total of 4 prime factors.
10 , 5 , 91 , 65 , 176 , 758 , 7438 , 7234 , 81629 , 91535 , 292657 , 123964 , 7830751 , 1819872 , 86157557 , 41851803 , 733139696 , 300965071 , 901348340 , 1108746078
n×2
277969972
n×3
416954958
n×4
555939944
n×5
694924930
n÷2
69492493
n÷3
46328328.666667
n÷3
34746246.5
n÷5
27796997.2
n2
19316826333420196
n3
2.6847488375148E+24
n4
3.7313977959552E+32
n5
5.1860827043126E+40
2 √n
11789.189369927
3 √n
517.99149521673
4 √n
108.57803355158
5 √n
42.520031494608
1 , 2 , 7 , 14 , 1031 , 2062 , 7217 , 9629 , 14434 , 19258 , 67403 , 134806 , 9927499 , 19854998 , 69492493 , 138984986
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
-138984985
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 138984986 can be divided by 16 positive divisors.
The sum of these divisors (counting 138984986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000010010001011111000011010
3
Ternary
100200112011120002
4
Quaternary
20102023320122
5
Quinary
241040004421
6
Senary
21442533002
8
Octal
1022137032
10
Decimal
138984986
12
Duodecimal
3a667162
16
Hexadecimal
848be1a
20
Vigesimal
238d296
36
Base36
2aqxi2
md5
bcc0229d1d1e972dc4e78504defcd178
sha1
c86696c2d8c0dc2ca6e5a92c51030fa53e008c83
sha256
2a8285f8af1b00c089a8408d904482cd40491098ee121ac3fcf5aa216b1bbadb
sha512
cd715a0403cea79b6e16e131d269e4f5a5df9d69887a050a9505375f33295a046b09b1c91462a6513dbd678a91afbf081632aadb47910f3002bbb7935ac087fd
ripemd-160
ebcbd66d68e004552e57232c521a3f68b4d73afb
Diameter
277969972
Circumference
873268421.95376
Area
6.0685599699743E+16
Volume
1.1245849632894E+25
Surface area
2.4274239879897E+17
Circumference
873268421.95376
Perimeter
555939944
Area
19316826333420196
Diagonal
196554452.16743
Surface area
115900958000521176
Volume
2.6847488375148E+24
Space diagonal
240729057.24125
Perimeter
416954958
Area
8.3644311626171E+15
Altitude
120364528.62062
Surface area
8.3644311626171E+15
Volume
3.1640068479824E+23
Height
65518150.722478