138678839 is an odd 9-digits composite number following 138678838
and preceding 138678840 . In scientific notation, it is written as 1.38678839 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 127552320 positive integers (up to 138678839) that are relatively prime to 138678839.
138678839 has 8 divisors, whose sum is 149881872
The reverse of 138678839 is 938876831
Previous prime number is 281
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred thirty-eight million six hundred seventy-eight thousand eight hundred thirty-nine
Scientific notation
1.38678839 × 10^8
Engineering notation
1.38678839 × 10^6
Prime Factorization
13 × 281 × 37963
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138678839
Product of the distinct prime numbers
The prime factorization of 138678839 is 13 × 281 × 37963.
Since it has a total of 3 prime factors.
3 , 2 , 70 , 89 , 87 , 730 , 434 , 1928 , 17690 , 2006 , 576680 , 404512 , 9429199 , 7233868 , 38512333 , 57913994 , 225266527 , 953907233 , 1776860493 , 8718436688
n×2
277357678
n×3
416036517
n×4
554715356
n×5
693394195
n÷2
69339419.5
n÷3
46226279.666667
n÷3
34669709.75
n÷5
27735767.8
n2
19231820386387921
n3
2.6670465230408E+24
n4
3.6986291537429E+32
n5
5.1292159693261E+40
2 √n
11776.197985768
3 √n
517.6108830676
4 √n
108.5181919577
5 √n
42.501282901438
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
-138678838
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 138678839 can be divided by 8 positive divisors.
The sum of these divisors (counting 138678839) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001000001001000110111
3
Ternary
100122221121121022
4
Quaternary
20101001020313
5
Quinary
241000210324
6
Senary
21432211355
8
Octal
1021011067
10
Decimal
138678839
12
Duodecimal
3a539b5b
16
Hexadecimal
8441237
20
Vigesimal
236eh1j
36
Base36
2akd9z
md5
a8e58805b9fef5ae831e03e404f0976a
sha1
d5373e9073e4d08a3af12cd74a26c8df6acac5ef
sha256
e4ecabf2382c9187cc542b7d807e25e34bdc3f4be1f290d9082285df8f2f7d80
sha512
c8093d4bb025171ef2d98fa99cc798a7c7258aa889a647651833444a83855986dee7d0fe5d30950f46234eb2f17b401171741692657bc62713044f445d992294
ripemd-160
799328ac80a17640921ed14173af6c114cbb2207
Diameter
277357678
Circumference
871344843.62152
Area
6.0418545641035E+16
Volume
1.1171698351423E+25
Surface area
2.4167418256414E+17
Circumference
871344843.62152
Perimeter
554715356
Area
19231820386387921
Diagonal
196121494.92795
Surface area
115390922318327526
Volume
2.6670465230408E+24
Space diagonal
240198795.08266
Perimeter
416036517
Area
8.3276225078157E+15
Altitude
120099397.54133
Surface area
8.3276225078157E+15
Volume
3.1431444703036E+23
Height
65373831.642652