138397785 is an odd 9-digits composite number following 138397784
and preceding 138397786 . In scientific notation, it is written as 1.38397785 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 70369728 positive integers (up to 138397785) that are relatively prime to 138397785.
138397785 has 16 divisors, whose sum is 154552320
The reverse of 138397785 is 587793831
Previous prime number is 467
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred thirty-eight million three hundred ninety-seven thousand seven hundred eighty-five
Scientific notation
1.38397785 × 10^8
Engineering notation
1.38397785 × 10^6
Prime Factorization
15 × 23 × 467 × 859
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
138397785
Product of the distinct prime numbers
The prime factorization of 138397785 is 15 × 23 × 467 × 859.
Since it has a total of 4 prime factors.
10 , 1 , 18 , 54 , 281 , 382 , 5814 , 5451 , 23142 , 47105 , 855547 , 179375 , 2691774 , 1476051 , 74013141 , 91546875 , 298129127 , 195023253 , 5891866916 , 5578644543
n×2
276795570
n×3
415193355
n×4
553591140
n×5
691988925
n÷2
69198892.5
n÷3
46132595
n÷3
34599446.25
n÷5
27679557
n2
19153946892906225
n3
2.6508638239859E+24
n4
3.6687368157627E+32
n5
5.0774504904951E+40
2 √n
11764.258795181
3 √n
517.26097388681
4 √n
108.46316791972
5 √n
42.484041841561
1 , 15 , 23 , 345 , 467 , 859 , 7005 , 10741 , 12885 , 19757 , 161115 , 296355 , 401153 , 6017295 , 9226519 , 138397785
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
-138397784
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 138397785 can be divided by 16 positive divisors.
The sum of these divisors (counting 138397785) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000001111111100100001011001
3
Ternary
100122102100001220
4
Quaternary
20033330201121
5
Quinary
240412212120
6
Senary
21422202253
8
Octal
1017744131
10
Decimal
138397785
12
Duodecimal
3a423389
16
Hexadecimal
83fc859
20
Vigesimal
234je95
36
Base36
2aecex
md5
848622690f759b4a894ed1a4bcff31e2
sha1
6cd79fef8f52d6c750e60916d76b3b6a2f137e45
sha256
dafcf6dd2e6cb9b920f71bcaa1e9f4d23240e7450da306fd2589a29b4cebc90f
sha512
9ec3671ac48a11d27a7507e8f45ae52edc013a814ede7d6bef16b79e12f2e761923b9286c03c91093d8dfd03c232da480820b0247fb837a9494003ad6e4137c6
ripemd-160
8991bbc7c797a1564941e432a5053038626ca156
Diameter
276795570
Circumference
869578929.2582
Area
6.0173898846003E+16
Volume
1.1103912420135E+25
Surface area
2.4069559538401E+17
Circumference
869578929.2582
Perimeter
553591140
Area
19153946892906225
Diagonal
195724024.5494
Surface area
114923681357437350
Volume
2.6508638239859E+24
Space diagonal
239711995.27499
Perimeter
415193355
Area
8.2939022959974E+15
Altitude
119855997.6375
Surface area
8.2939022959974E+15
Volume
3.1240729765708E+23
Height
65241341.516465