138956988 is an even 9-digits composite number following 138956987
and preceding 138956989 . In scientific notation, it is written as 1.38956988 × 10^8.
The sum of its digits is 57. It has a total of 5 prime factors and 24 positive divisors.
There are 46237744 positive integers (up to 138956988) that are relatively prime to 138956988.
138956988 has 24 divisors, whose sum is 324801792
The reverse of 138956988 is 889659831
Previous prime number is 587
Is Prime? no
Number parity even
Number length 9
Sum of Digits 57
Digital Root 3
Name
one hundred thirty-eight million nine hundred fifty-six thousand nine hundred eighty-eight
Scientific notation
1.38956988 × 10^8
Engineering notation
1.38956988 × 10^6
Prime Factorization
2 × 2 × 3 × 587 × 19727
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
69478494
Product of the distinct prime numbers
The prime factorization of 138956988 is 2 × 2 × 3 × 587 × 19727.
Since it has a total of 5 prime factors.
7 , 1 , 51 , 32 , 347 , 929 , 7244 , 2907 , 49828 , 67535 , 873129 , 756076 , 4544695 , 1600603 , 84893137 , 15291915 , 207663272 , 453612917 , 5967265476 , 923827369
n×2
277913976
n×3
416870964
n×4
555827952
n×5
694784940
n÷2
69478494
n÷3
46318996
n÷3
34739247
n÷5
27791397.6
n2
19309044514032144
n3
2.6831266668278E+24
n4
3.7283920004487E+32
n5
5.1808612246565E+40
2 √n
11788.001866305
3 √n
517.95671040471
4 √n
108.57256497985
5 √n
42.518318256632
1 , 2 , 3 , 4 , 6 , 12 , 587 , 1174 , 1761 , 2348 , 3522 , 7044 , 19727 , 39454 , 59181 , 78908 , 118362 , 236724 , 11579749 , 23159498 , 34739247 , 46318996 , 69478494 , 138956988
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138956987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138956988 can be divided by 24 positive divisors.
The sum of these divisors (counting 138956988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000010010000101000010111100
3
Ternary
100200110202011010
4
Quaternary
20102011002330
5
Quinary
241033110423
6
Senary
21442155220
8
Octal
1022050274
10
Decimal
138956988
12
Duodecimal
3a652b10
16
Hexadecimal
84850bc
20
Vigesimal
2389c98
36
Base36
2aqbwc
md5
b25b898c6cd00bfc83599cb0c0930505
sha1
dfe2987f8ece59f41d1ba468e2a7c2f7105009ca
sha256
52f7597f58b55ca481e1973f8f86634beb42cf76cced2dc168dab0dd67dda0a9
sha512
458a8e2cb30ef5bded0eeed5c15806dd220d98822bfe79977742884f3c28716e998701ae471b23d7b140c6baca866787393f865d12d9528d2ddb629a6a95c261
ripemd-160
8da73e60f11c66553b8c980f51a655a18d21e870
Diameter
277913976
Circumference
873092505.33153
Area
6.0661152393122E+16
Volume
1.123905470021E+25
Surface area
2.4264460957249E+17
Circumference
873092505.33153
Perimeter
555827952
Area
19309044514032144
Diagonal
196514857.01612
Surface area
115854267084192864
Volume
2.6831266668278E+24
Space diagonal
240680563.28274
Perimeter
416870964
Area
8.3610615359782E+15
Altitude
120340281.64137
Surface area
8.3610615359782E+15
Volume
3.162095101494E+23
Height
65504952.338705