138971161 is an odd 9-digits composite number following 138971160
and preceding 138971162 . In scientific notation, it is written as 1.38971161 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 115010448 positive integers (up to 138971161) that are relatively prime to 138971161.
138971161 has 8 divisors, whose sum is 164301120
The reverse of 138971161 is 161179831
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred thirty-eight million nine hundred seventy-one thousand one hundred sixty-one
Scientific notation
1.38971161 × 10^8
Engineering notation
1.38971161 × 10^6
Prime Factorization
29 × 7 × 684587
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138971161
Product of the distinct prime numbers
The prime factorization of 138971161 is 29 × 7 × 684587.
Since it has a total of 3 prime factors.
5 , 2 , 74 , 99 , 586 , 435 , 6486 , 6212 , 11914 , 7866 , 234352 , 913042 , 3624584 , 8001177 , 37552781 , 96504644 , 877574010 , 689168942 , 8974381718 , 3944392283
n×2
277942322
n×3
416913483
n×4
555884644
n×5
694855805
n÷2
69485580.5
n÷3
46323720.333333
n÷3
34742790.25
n÷5
27794232.2
n2
19312983589687921
n3
2.6839477518329E+24
n4
3.7299133513555E+32
n5
5.1835038886728E+40
2 √n
11788.60301308
3 √n
517.97431957283
4 √n
108.57533335468
5 √n
42.519185557441
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138971160
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138971161 can be divided by 8 positive divisors.
The sum of these divisors (counting 138971161) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010010001000100000011001
3
Ternary
100200111110121001
4
Quaternary
20102020200121
5
Quinary
241034034121
6
Senary
21442345001
8
Octal
1022104031
10
Decimal
138971161
12
Duodecimal
3a65b161
16
Hexadecimal
8488819
20
Vigesimal
238b7i1
36
Base36
2aqmu1
md5
c693812ff8394ee67f24138ceeb3f81b
sha1
c1a88d85fb391396635bbe3dc434a7faccab4e01
sha256
d9579f73bd28c13c9edce3ea6194d1db12baeb4196fdec145596aac083c3956c
sha512
6748083ac7dd3c5d0624459dcae100832b7db80425ac5cf0499b50cc28e514f9fa9ebc2720ae3649f212c7bf26cb21dbc1e4a05113ef03a46ed67428159db095
ripemd-160
79192c13563ed5bcfe6d443e359b6bfb4bbcd774
Diameter
277942322
Circumference
873181556.91689
Area
6.0673527364264E+16
Volume
1.1242494053036E+25
Surface area
2.4269410945706E+17
Circumference
873181556.91689
Perimeter
555884644
Area
19312983589687921
Diagonal
196534900.66493
Surface area
115877901538127526
Volume
2.6839477518329E+24
Space diagonal
240705111.63883
Perimeter
416913483
Area
8.3627672057709E+15
Altitude
120352555.81942
Surface area
8.3627672057709E+15
Volume
3.1630627594524E+23
Height
65511633.554978