138729892 is an even 9-digits composite number following 138729891
and preceding 138729893 . In scientific notation, it is written as 1.38729892 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 59455656 positive integers (up to 138729892) that are relatively prime to 138729892.
138729892 has 12 divisors, whose sum is 277459840
The reverse of 138729892 is 298927831
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred thirty-eight million seven hundred twenty-nine thousand eight hundred ninety-two
Scientific notation
1.38729892 × 10^8
Engineering notation
1.38729892 × 10^6
Prime Factorization
2 × 2 × 7 × 4954639
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
69364946
Product of the distinct prime numbers
The prime factorization of 138729892 is 2 × 2 × 7 × 4954639.
Since it has a total of 4 prime factors.
3 , 6 , 87 , 74 , 917 , 872 , 2460 , 7045 , 5262 , 3884 , 456342 , 377458 , 8239834 , 3911666 , 29068002 , 22815688 , 544612199 , 403172136 , 8731511004 , 2036133995
n×2
277459784
n×3
416189676
n×4
554919568
n×5
693649460
n÷2
69364946
n÷3
46243297.333333
n÷3
34682473
n÷5
27745978.4
n2
19245982934331664
n3
2.6699931339137E+24
n4
3.7040785910859E+32
n5
5.1386642290085E+40
2 √n
11778.365421399
3 √n
517.67439274821
4 √n
108.52817800645
5 √n
42.504411711233
1 , 2 , 4 , 7 , 14 , 28 , 4954639 , 9909278 , 19818556 , 34682473 , 69364946 , 138729892
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138729891
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138729892 can be divided by 12 positive divisors.
The sum of these divisors (counting 138729892) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000010001001101100110100100
3
Ternary
100200001012122011
4
Quaternary
20101031212210
5
Quinary
241003324032
6
Senary
21433244004
8
Octal
1021154644
10
Decimal
138729892
12
Duodecimal
3a563604
16
Hexadecimal
844d9a4
20
Vigesimal
23714ec
36
Base36
2algo4
md5
7458c22762f38b7fa5e5ef9b0422daa3
sha1
e84062bf8bb44b3c5c25ec0f9a00f8ef52a85929
sha256
7009b16907bbd1ce8ff262afef63e28747133617f36f84f005a42d2da01b80d9
sha512
48aa0143da598011fd44d045d061b20df33f8f7e9c6985e5173502b5ccefe20f45b4d8ee26b7e4687f45bfa73c5f988f7645c6d656afd4fa394a1a85137d906e
ripemd-160
91205dbead82fccd9b1b538a9793c1af932fb6ef
Diameter
277459784
Circumference
871665619.08101
Area
6.0463038597611E+16
Volume
1.1184041086185E+25
Surface area
2.4185215439044E+17
Circumference
871665619.08101
Perimeter
554919568
Area
19245982934331664
Diagonal
196193694.77295
Surface area
115475897605989984
Volume
2.6699931339137E+24
Space diagonal
240287221.47254
Perimeter
416189676
Area
8.3337550709665E+15
Altitude
120143610.73627
Surface area
8.3337550709665E+15
Volume
3.1466170845198E+23
Height
65397898.257652