138694927 is an odd 9-digits composite number following 138694926
and preceding 138694928 . In scientific notation, it is written as 1.38694927 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 112624344 positive integers (up to 138694927) that are relatively prime to 138694927.
138694927 has 8 divisors, whose sum is 166851200
The reverse of 138694927 is 729496831
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred thirty-eight million six hundred ninety-four thousand nine hundred twenty-seven
Scientific notation
1.38694927 × 10^8
Engineering notation
1.38694927 × 10^6
Prime Factorization
7 × 19 × 1042819
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138694927
Product of the distinct prime numbers
The prime factorization of 138694927 is 7 × 19 × 1042819.
Since it has a total of 3 prime factors.
4 , 1 , 83 , 64 , 66 , 511 , 898 , 2375 , 8350 , 67329 , 698073 , 698391 , 3528006 , 5801735 , 18912015 , 29527328 , 888098536 , 704990103 , 4541862583 , 9066204577
n×2
277389854
n×3
416084781
n×4
554779708
n×5
693474635
n÷2
69347463.5
n÷3
46231642.333333
n÷3
34673731.75
n÷5
27738985.4
n2
19236282775535329
n3
2.6679748353042E+24
n4
3.7003457502036E+32
n5
5.1321918369924E+40
2 √n
11776.881038713
3 √n
517.63089814212
4 √n
108.52133909381
5 √n
42.50226896235
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
-138694926
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 138694927 can be divided by 8 positive divisors.
The sum of these divisors (counting 138694927) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001000101000100001111
3
Ternary
100122222102200011
4
Quaternary
20101011010033
5
Quinary
241001214202
6
Senary
21432414051
8
Octal
1021050417
10
Decimal
138694927
12
Duodecimal
3a547327
16
Hexadecimal
844510f
20
Vigesimal
236gh67
36
Base36
2akpov
md5
a4ba09c0b3410742aa5b5a84381306d5
sha1
45b3fdee13feffb04580296e5447c842c7b672cf
sha256
cdc9ecd6fc39eebd8f6e7b0103572e6ef0a3ef416a007554b6ff41c6d9dc98c6
sha512
c85592d841db945f1dd0050203173974823c33906202094115c0ae448131a06817c4d805fbf3a090abe1f22d597da64f86a3a61e64755288d136e82928f27356
ripemd-160
2185d64745f4328112785e4b112ecee07cf464dd
Diameter
277389854
Circumference
871445927.50675
Area
6.0432564649998E+16
Volume
1.1175586856739E+25
Surface area
2.4173025859999E+17
Circumference
871445927.50675
Perimeter
554779708
Area
19236282775535329
Diagonal
196144246.79575
Surface area
115417696653211974
Volume
2.6679748353042E+24
Space diagonal
240226660.31606
Perimeter
416084781
Area
8.3295547789973E+15
Altitude
120113330.15803
Surface area
8.3295547789973E+15
Volume
3.1442384967978E+23
Height
65381415.598582