138957992 is an even 9-digits composite number following 138957991
and preceding 138957993 . In scientific notation, it is written as 1.38957992 × 10^8.
The sum of its digits is 53. It has a total of 4 prime factors and 8 positive divisors.
There are 69478992 positive integers (up to 138957992) that are relatively prime to 138957992.
138957992 has 8 divisors, whose sum is 260546250
The reverse of 138957992 is 299759831
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred thirty-eight million nine hundred fifty-seven thousand nine hundred ninety-two
Scientific notation
1.38957992 × 10^8
Engineering notation
1.38957992 × 10^6
Prime Factorization
2 × 2 × 2 × 17369749
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
34739498
Product of the distinct prime numbers
The prime factorization of 138957992 is 2 × 2 × 2 × 17369749.
Since it has a total of 4 prime factors.
10 , 2 , 86 , 52 , 630 , 791 , 736 , 3531 , 84705 , 49151 , 712205 , 627624 , 4768828 , 6361118 , 57625778 , 6066321 , 487285350 , 231936792 , 877827452 , 4163673609
n×2
277915984
n×3
416873976
n×4
555831968
n×5
694789960
n÷2
69478996
n÷3
46319330.666667
n÷3
34739498
n÷5
27791598.4
n2
19309323540672064
n3
2.6831848260901E+24
n4
3.7284997559835E+32
n5
5.1810483926396E+40
2 √n
11788.044451901
3 √n
517.95795785855
4 √n
108.5727610955
5 √n
42.518379697613
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
-138957991
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 138957992 can be divided by 8 positive divisors.
The sum of these divisors (counting 138957992) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010010000101010010101000
3
Ternary
100200110210112022
4
Quaternary
20102011102220
5
Quinary
241033123432
6
Senary
21442204012
8
Octal
1022052250
10
Decimal
138957992
12
Duodecimal
3a653608
16
Hexadecimal
84854a8
20
Vigesimal
2389ejc
36
Base36
2aqco8
md5
0774ce144f0409813c2af34fed317b07
sha1
5c1649502b217b1865d35f8529ef939923624944
sha256
c4451be17915da999d2182ed4a2997721393509e65d5c19c944e630e6395b5e7
sha512
19e5fe8bee40a242968a8eea0fca86de213cd49134ee24ab68b5a42506a707cda049ee16c11461ff0c23e5609a1d0ac707af5cbd429746b7a858e2da986480b9
ripemd-160
f892b10a31d2a218390d4707a370b2aebb58caf2
Diameter
277915984
Circumference
873098813.64958
Area
6.0662028981164E+16
Volume
1.1239298317158E+25
Surface area
2.4264811592466E+17
Circumference
873098813.64958
Perimeter
555831968
Area
19309323540672064
Diagonal
196516276.88653
Surface area
115855941244032384
Volume
2.6831848260901E+24
Space diagonal
240682302.26175
Perimeter
416873976
Area
8.3611823580574E+15
Altitude
120341151.13087
Surface area
8.3611823580574E+15
Volume
3.162163642842E+23
Height
65505425.628844