138830881 is an odd 9-digits composite number following 138830880
and preceding 138830882 . In scientific notation, it is written as 1.38830881 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 118997892 positive integers (up to 138830881) that are relatively prime to 138830881.
138830881 has 4 divisors, whose sum is 158663872
The reverse of 138830881 is 188038831
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred thirty-eight million eight hundred thirty thousand eight hundred eighty-one
Scientific notation
1.38830881 × 10^8
Engineering notation
1.38830881 × 10^6
Prime Factorization
7 × 19832983
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138830881
Product of the distinct prime numbers
The prime factorization of 138830881 is 7 × 19832983.
Since it has a total of 2 prime factors.
1 , 10 , 37 , 93 , 856 , 849 , 8463 , 3425 , 41197 , 93512 , 362677 , 487422 , 8755864 , 7243349 , 11820613 , 26674215 , 287701546 , 55630112 , 6656601664 , 8972511599
n×2
277661762
n×3
416492643
n×4
555323524
n×5
694154405
n÷2
69415440.5
n÷3
46276960.333333
n÷3
34707720.25
n÷5
27766176.2
n2
19274013519236161
n3
2.6758282772815E+24
n4
3.714875971397E+32
n5
5.1573950391477E+40
2 √n
11782.651696456
3 √n
517.79997668678
4 √n
108.54792350136
5 √n
42.510598162657
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
-138830880
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 138830881 can be divided by 4 positive divisors.
The sum of these divisors (counting 138830881) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010001100110010000100001
3
Ternary
100200020100011111
4
Quaternary
20101212100201
5
Quinary
241020042011
6
Senary
21435343321
8
Octal
1021462041
10
Decimal
138830881
12
Duodecimal
3a5b1b41
16
Hexadecimal
8466421
20
Vigesimal
237dh41
36
Base36
2anmld
md5
47b2fdb1c70c98840ce276e838f0450c
sha1
6a601d250109044e1f9df87647447c6c6248608c
sha256
7da78c26b106e0b1771cece5a2b156776be34d89a8a1de4205a1359860be8569
sha512
9ed56b3c139614c3e0567fee1ca22d945b19f57f7acf3e140879f06bc795ac1ea6c706c43ba009f8c3f23da12a381f150bf06f0249d5ddef1d6004d33f84e5f0
ripemd-160
edd9b001d0db4f673d2ee4a91dfad2b85413fdc5
Diameter
277661762
Circumference
872300151.682
Area
6.0551099277223E+16
Volume
1.1208483277567E+25
Surface area
2.4220439710889E+17
Circumference
872300151.682
Perimeter
555323524
Area
19274013519236161
Diagonal
196336514.78641
Surface area
115644081115416966
Volume
2.6758282772815E+24
Space diagonal
240462139.55155
Perimeter
416492643
Area
8.3458926702716E+15
Altitude
120231069.77577
Surface area
8.3458926702716E+15
Volume
3.1534938669274E+23
Height
65445504.928802