138869507 is an odd 9-digits composite number following 138869506
and preceding 138869508 . In scientific notation, it is written as 1.38869507 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 118902600 positive integers (up to 138869507) that are relatively prime to 138869507.
138869507 has 8 divisors, whose sum is 158879232
The reverse of 138869507 is 705968831
Previous prime number is 971
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred thirty-eight million eight hundred sixty-nine thousand five hundred seven
Scientific notation
1.38869507 × 10^8
Engineering notation
1.38869507 × 10^6
Prime Factorization
7 × 971 × 20431
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138869507
Product of the distinct prime numbers
The prime factorization of 138869507 is 7 × 971 × 20431.
Since it has a total of 3 prime factors.
2 , 7 , 28 , 12 , 289 , 370 , 4949 , 7389 , 276 , 72154 , 573883 , 521356 , 2071487 , 8151938 , 80352287 , 43783910 , 838012901 , 701723338 , 8979773246 , 4505417370
n×2
277739014
n×3
416608521
n×4
555478028
n×5
694347535
n÷2
69434753.5
n÷3
46289835.666667
n÷3
34717376.75
n÷5
27773901.4
n2
19284739974423049
n3
2.6780623328713E+24
n4
3.7190119588111E+32
n5
5.164573572472E+40
2 √n
11784.290687182
3 √n
517.84799359092
4 √n
108.55547285688
5 √n
42.512963388094
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
-138869506
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 138869507 can be divided by 8 positive divisors.
The sum of these divisors (counting 138869507) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001101111101100000011
3
Ternary
100200022022011002
4
Quaternary
20101233230003
5
Quinary
241022311012
6
Senary
21440242215
8
Octal
1021575403
10
Decimal
138869507
12
Duodecimal
3a61036b
16
Hexadecimal
846fb03
20
Vigesimal
237idf7
36
Base36
2aogeb
md5
0b79a497f207fcceacb92d7fe76e70d4
sha1
b6aacdb0c1e61eeeb32091fe6c52e2a483838928
sha256
3fbbc8be7ed8bde110d38e52bce3e4ef33447cf044dbc0e38f272b9a0a1a09a9
sha512
4e42de576b44cd533aa6b1cf087eb17e6bcb8e6d7dde64e419657c763583756841142b8139970f74532a32761ec2ed8880e06ce87c4a243751173e66ed08416f
ripemd-160
ab68b7cf5f51b22dab9bf22b5dc16443d9252675
Diameter
277739014
Circumference
872542845.99767
Area
6.0584797430037E+16
Volume
1.1217841267739E+25
Surface area
2.4233918972015E+17
Circumference
872542845.99767
Perimeter
555478028
Area
19284739974423049
Diagonal
196391140.19947
Surface area
115708439846538294
Volume
2.6780623328713E+24
Space diagonal
240529041.74604
Perimeter
416608521
Area
8.3505373616138E+15
Altitude
120264520.87302
Surface area
8.3505373616138E+15
Volume
3.1561267266893E+23
Height
65463713.399822