138187813 is an odd 9-digits composite number following 138187812
and preceding 138187814 . In scientific notation, it is written as 1.38187813 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 132238848 positive integers (up to 138187813) that are relatively prime to 138187813.
138187813 has 8 divisors, whose sum is 144221400
The reverse of 138187813 is 318781831
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred thirty-eight million one hundred eighty-seven thousand eight hundred thirteen
Scientific notation
1.38187813 × 10^8
Engineering notation
1.38187813 × 10^6
Prime Factorization
113 × 29 × 42169
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138187813
Product of the distinct prime numbers
The prime factorization of 138187813 is 113 × 29 × 42169.
Since it has a total of 3 prime factors.
8 , 2 , 6 , 91 , 467 , 495 , 2687 , 2940 , 68478 , 14309 , 213354 , 792655 , 4091167 , 2713219 , 62898462 , 24366058 , 120909622 , 687715016 , 2422108387 , 1731467233
n×2
276375626
n×3
414563439
n×4
552751252
n×5
690939065
n÷2
69093906.5
n÷3
46062604.333333
n÷3
34546953.25
n÷5
27637562.6
n2
19095871661722969
n3
2.6388167422622E+24
n4
3.6465231452099E+32
n5
5.0390505849044E+40
2 √n
11755.331258625
3 √n
516.99925174515
4 √n
108.42200541691
5 √n
42.471142967951
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
-138187812
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 138187813 can be divided by 8 positive divisors.
The sum of these divisors (counting 138187813) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001111001001010000100101
3
Ternary
100122000200001011
4
Quaternary
20033021100211
5
Quinary
240334002223
6
Senary
21413502221
8
Octal
1017112045
10
Decimal
138187813
12
Duodecimal
3a341971
16
Hexadecimal
83c9425
20
Vigesimal
233d9ad
36
Base36
2a9ued
md5
4c7cdb6ec4e31aa60bb714e7e008b855
sha1
07882acb2508dd6981b45edf660dde2f87df1386
sha256
9be43d45459453942b180afe46fb2e79f62429f276adc824da3b5d33632c5556
sha512
f7a754ac01cecf9993d7c192542484b998d38309c0bf7c7e64b60103aa4c5e41b0f1abee9ad9c3194ba4aec9d68f3716a46498fa52133d0ff2c3aba78e2ed32b
ripemd-160
554910490a60c5fd6e98f7844a2393e7f329a226
Diameter
276375626
Circumference
868259636.27288
Area
5.9991450126362E+16
Volume
1.1053449722214E+25
Surface area
2.3996580050545E+17
Circumference
868259636.27288
Perimeter
552751252
Area
19095871661722969
Diagonal
195427079.29928
Surface area
114575229970337814
Volume
2.6388167422622E+24
Space diagonal
239348313.10283
Perimeter
414563439
Area
8.2687549832297E+15
Altitude
119674156.55141
Surface area
8.2687549832297E+15
Volume
3.1098753546036E+23
Height
65142359.766426