138839457 is an odd 9-digits composite number following 138839456
and preceding 138839458 . In scientific notation, it is written as 1.38839457 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 90343632 positive integers (up to 138839457) that are relatively prime to 138839457.
138839457 has 16 divisors, whose sum is 189573120
The reverse of 138839457 is 754938831
Previous prime number is 439
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred thirty-eight million eight hundred thirty-nine thousand four hundred fifty-seven
Scientific notation
1.38839457 × 10^8
Engineering notation
1.38839457 × 10^6
Prime Factorization
3 × 47 × 439 × 2243
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
138839457
Product of the distinct prime numbers
The prime factorization of 138839457 is 3 × 47 × 439 × 2243.
Since it has a total of 4 prime factors.
4 , 6 , 33 , 24 , 512 , 812 , 5755 , 4514 , 91753 , 94613 , 100056 , 611407 , 4655589 , 5521644 , 99266457 , 31817281 , 278935934 , 249152868 , 7994040975 , 1905068248
n×2
277678914
n×3
416518371
n×4
555357828
n×5
694197285
n÷2
69419728.5
n÷3
46279819
n÷3
34709864.25
n÷5
27767891.4
n2
19276394820054849
n3
2.676324189734E+24
n4
3.7157939725864E+32
n5
5.1589881747776E+40
2 √n
11783.015615707
3 √n
517.81063848655
4 √n
108.54959979524
5 √n
42.511123351115
1 , 3 , 47 , 141 , 439 , 1317 , 2243 , 6729 , 20633 , 61899 , 105421 , 316263 , 984677 , 2954031 , 46279819 , 138839457
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
-138839456
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 138839457 can be divided by 16 positive divisors.
The sum of these divisors (counting 138839457) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000010001101000010110100001
3
Ternary
100200020202221010
4
Quaternary
20101220112201
5
Quinary
241020330312
6
Senary
21435451133
8
Octal
1021502641
10
Decimal
138839457
12
Duodecimal
3a5b6aa9
16
Hexadecimal
84685a1
20
Vigesimal
237eich
36
Base36
2ant7l
md5
b0ab3369abeb19a9400026ab808748af
sha1
50c3b9722ae58d132d59ac8c4ae646fdae847b03
sha256
e27dab1c84b276d105e77ce216e82764807282ef2042c6aa66afc80145b03454
sha512
b1afeccb8383629dcc2635ac21bc877dcd49feb2c1b362a000810a26a73abb53cb411189b10a474ecddd1173fefa78c02749409a2130120d8a4e89e6a9145973
ripemd-160
59f314a7ce24ab2060e8dd93eece3aa28a16ad0d
Diameter
277678914
Circumference
872354036.27919
Area
6.0558580354381E+16
Volume
1.1210560550791E+25
Surface area
2.4223432141752E+17
Circumference
872354036.27919
Perimeter
555357828
Area
19276394820054849
Diagonal
196348643.08192
Surface area
115658368920329094
Volume
2.676324189734E+24
Space diagonal
240476993.61927
Perimeter
416518371
Area
8.3469238037731E+15
Altitude
120238496.80964
Surface area
8.3469238037731E+15
Volume
3.1540783053575E+23
Height
65449547.693972