138523721 is an odd 9-digits composite number following 138523720
and preceding 138523722 . In scientific notation, it is written as 1.38523721 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 118734612 positive integers (up to 138523721) that are relatively prime to 138523721.
138523721 has 4 divisors, whose sum is 158312832
The reverse of 138523721 is 127325831
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred thirty-eight million five hundred twenty-three thousand seven hundred twenty-one
Scientific notation
1.38523721 × 10^8
Engineering notation
1.38523721 × 10^6
Prime Factorization
7 × 19789103
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138523721
Product of the distinct prime numbers
The prime factorization of 138523721 is 7 × 19789103.
Since it has a total of 2 prime factors.
9 , 10 , 13 , 57 , 385 , 139 , 5199 , 8328 , 48400 , 81730 , 879145 , 111960 , 6631121 , 8099573 , 38148477 , 7628097 , 656389608 , 984007822 , 1037387865 , 687922636
n×2
277047442
n×3
415571163
n×4
554094884
n×5
692618605
n÷2
69261860.5
n÷3
46174573.666667
n÷3
34630930.25
n÷5
27704744.2
n2
19188821279685841
n3
2.6581069252661E+24
n4
3.6821086210372E+32
n5
5.1005938731226E+40
2 √n
11769.61006151
3 √n
517.41782136154
4 √n
108.48783370272
5 √n
42.491770757092
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138523720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138523721 can be divided by 4 positive divisors.
The sum of these divisors (counting 138523721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010000011011010001001001
3
Ternary
100122122201211012
4
Quaternary
20100123101021
5
Quinary
240430224341
6
Senary
21425013305
8
Octal
1020332111
10
Decimal
138523721
12
Duodecimal
3a484235
16
Hexadecimal
841b449
20
Vigesimal
235f961
36
Base36
2ah1l5
md5
da4721640e1da156d222ed200063e240
sha1
455d16a8c937d0fc8ddaa96e0bba3c1e2acf4aff
sha256
cb0275776da5f50861968632a2a2065617ed70dbe6d02d63e0d804db147cc442
sha512
2abeae3cf0fd772b5be0cf87185e74e69489228d75df34937361ab3b8612b2373a5d38a43d02eaebb0323bcb92e779489cd7d74bf18a060d2e242854c8869485
ripemd-160
8df45f4d6603bf2ffaf6b0b0cda87f827e303ce7
Diameter
277047442
Circumference
870370208.48304
Area
6.0283459963309E+16
Volume
1.1134252251829E+25
Surface area
2.4113383985323E+17
Circumference
870370208.48304
Perimeter
554094884
Area
19188821279685841
Diagonal
195902124.94859
Surface area
115132927678115046
Volume
2.6581069252661E+24
Space diagonal
239930122.8255
Perimeter
415571163
Area
8.3090033484437E+15
Altitude
119965061.41275
Surface area
8.3090033484437E+15
Volume
3.1326090532909E+23
Height
65300708.316196