138977438 is an even 9-digits composite number following 138977437
and preceding 138977439 . In scientific notation, it is written as 1.38977438 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 65755800 positive integers (up to 138977438) that are relatively prime to 138977438.
138977438 has 16 divisors, whose sum is 219690240
The reverse of 138977438 is 834779831
Previous prime number is 1231
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred thirty-eight million nine hundred seventy-seven thousand four hundred thirty-eight
Scientific notation
1.38977438 × 10^8
Engineering notation
1.38977438 × 10^6
Prime Factorization
2 × 19 × 1231 × 2971
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
138977438
Product of the distinct prime numbers
The prime factorization of 138977438 is 2 × 19 × 1231 × 2971.
Since it has a total of 4 prime factors.
7 , 1 , 40 , 49 , 970 , 383 , 5128 , 6090 , 63142 , 56424 , 899661 , 554553 , 5911186 , 85769 , 84354350 , 51401471 , 733121822 , 18046743 , 5148619833 , 8604717301
n×2
277954876
n×3
416932314
n×4
555909752
n×5
694887190
n÷2
69488719
n÷3
46325812.666667
n÷3
34744359.5
n÷5
27795487.6
n2
19314728273043844
n3
2.6843114510538E+24
n4
3.7305872826152E+32
n5
5.1846746277324E+40
2 √n
11788.869241789
3 √n
517.9821180154
4 √n
108.57655935693
5 √n
42.519569648794
1 , 2 , 19 , 38 , 1231 , 2462 , 2971 , 5942 , 23389 , 46778 , 56449 , 112898 , 3657301 , 7314602 , 69488719 , 138977438
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138977437
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138977438 can be divided by 16 positive divisors.
The sum of these divisors (counting 138977438) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000010010001010000010011110
3
Ternary
100200111210012112
4
Quaternary
20102022002132
5
Quinary
241034234223
6
Senary
21442434022
8
Octal
1022120236
10
Decimal
138977438
12
Duodecimal
3a662912
16
Hexadecimal
848a09e
20
Vigesimal
238c3bi
36
Base36
2aqroe
md5
61ae215037dec7337c49fb1d69e9568b
sha1
1813b3aaeec0622f13a3672773c7cb65df799891
sha256
379040031166b0a9ececada1b955e7fdbebf8d4ca0a294510101c71917bafe5d
sha512
8730d78aac403fa8aa9467fc8dc507d14ba287f724ff204db5e78dd4b477201d3a5322c4a0f9773a0e1e884901e7ad489de3285d505e3f1ba73c9cf68db7e4c0
ripemd-160
c3a33c8393a526f6a1c545a06499ec33780132a3
Diameter
277954876
Circumference
873220996.47106
Area
6.0679008448678E+16
Volume
1.124401751277E+25
Surface area
2.4271603379471E+17
Circumference
873220996.47106
Perimeter
555909752
Area
19314728273043844
Diagonal
196543777.68347
Surface area
115888369638263064
Volume
2.6843114510538E+24
Space diagonal
240715983.72175
Perimeter
416932314
Area
8.3635226758248E+15
Altitude
120357991.86088
Surface area
8.3635226758248E+15
Volume
3.1634913830947E+23
Height
65514592.561155