139621 is an odd 6-digits composite number following 139620
and preceding 139622 . In scientific notation, it is written as 1.39621 × 10^5.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 127680 positive integers (up to 139621) that are relatively prime to 139621.
139621 has 8 divisors, whose sum is 152064
The reverse of 139621 is 126931
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 22
Digital Root 4
Name
one hundred thirty-nine thousand six hundred twenty-one
Scientific notation
1.39621 × 10^5
Engineering notation
1.39621 × 10^3
Prime Factorization
17 × 43 × 191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
139621
Product of the distinct prime numbers
The prime factorization of 139621 is 17 × 43 × 191.
Since it has a total of 3 prime factors.
7 , 6 , 17 , 42 , 298 , 321 , 2565 , 9548 , 31901 , 424 , 996976 , 430846 , 7141797 , 8005809 , 62184605 , 91091399 , 512657894 , 412044363 , 5712008362 , 5243378720
n×2
279242
n×3
418863
n×4
558484
n×5
698105
n÷2
69810.5
n÷3
46540.333333333
n÷3
34905.25
n÷5
27924.2
n2
19494023641
n3
2721775074780061
n4
3.8001695771587E+20
n5
5.3058347653247E+25
2 √n
373.6589353943
3 √n
51.878042595045
4 √n
19.330259579072
5 √n
10.690306299852
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
-139620
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 139621 can be divided by 8 positive divisors.
The sum of these divisors (counting 139621) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000101100101
3
Ternary
21002112011
4
Quaternary
202011211
5
Quinary
13431441
6
Senary
2554221
8
Octal
420545
10
Decimal
139621
12
Duodecimal
68971
16
Hexadecimal
22165
20
Vigesimal
h911
36
Base36
2zqd
md5
456dcfd928c0b78facffbb88e6169de6
sha1
bfd001310789bdd51d26eab2720006b3ee7a607d
sha256
fdcf5c044327b230c24fb0f6c6c64929cd41f4437c1d75d0651e7721127d2e52
sha512
1b8ce5e9a6118717cfe62595f32c76c032c5bc1a404606bccc3a1364effe0ac9dc20de92716200b8cf3f2f4962006637a15a04aaf62dca9446ac391604532da5
ripemd-160
707d943bd57c83ca230ff35b3391416fc661b7b6
Diameter
279242
Circumference
877264.61577372
Area
61242281459.471
Volume
1.140094477287E+16
Surface area
244969125837.89
Circumference
877264.61577372
Perimeter
558484
Area
19494023641
Diagonal
197453.91179209
Surface area
116964141846
Volume
2721775074780061
Space diagonal
241830.66580357
Perimeter
418863
Area
8441159847.5402
Altitude
120915.33290179
Surface area
8441159847.5402
Volume
3.2076426870692E+14
Height
65817.970597365