139291221 is an odd 9-digits composite number following 139291220
and preceding 139291222 . In scientific notation, it is written as 1.39291221 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 89976000 positive integers (up to 139291221) that are relatively prime to 139291221.
139291221 has 16 divisors, whose sum is 191570688
The reverse of 139291221 is 122192931
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred thirty-nine million two hundred ninety-one thousand two hundred twenty-one
Scientific notation
1.39291221 × 10^8
Engineering notation
1.39291221 × 10^6
Prime Factorization
3 × 47 × 101 × 9781
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
139291221
Product of the distinct prime numbers
The prime factorization of 139291221 is 3 × 47 × 101 × 9781.
Since it has a total of 4 prime factors.
8 , 1 , 42 , 61 , 894 , 215 , 5142 , 3972 , 74787 , 66984 , 187616 , 410203 , 7298291 , 435262 , 4002874 , 34339265 , 672024973 , 378102098 , 4465954601 , 6100584091
n×2
278582442
n×3
417873663
n×4
557164884
n×5
696456105
n÷2
69645610.5
n÷3
46430407
n÷3
34822805.25
n÷5
27858244.2
n2
19402044247670841
n3
2.7025344331541E+24
n4
3.7643932098858E+32
n5
5.243469265291E+40
2 √n
11802.170181793
3 √n
518.37165801437
4 √n
108.63779352414
5 √n
42.538752453239
1 , 3 , 47 , 101 , 141 , 303 , 4747 , 9781 , 14241 , 29343 , 459707 , 987881 , 1379121 , 2963643 , 46430407 , 139291221
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-139291220
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 139291221 can be divided by 16 positive divisors.
The sum of these divisors (counting 139291221) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000010011010110101001010101
3
Ternary
100201002201122010
4
Quaternary
20103112221111
5
Quinary
241124304341
6
Senary
21453254433
8
Octal
1023265125
10
Decimal
139291221
12
Duodecimal
3a794419
16
Hexadecimal
84d6a55
20
Vigesimal
23ab811
36
Base36
2axhsl
md5
040206509966a7696f4c0ebb8a91d82e
sha1
372358ebb7513a94f24d05ff991e39c89efa76f7
sha256
3af47043f03f5d590b5bc472ec6e2af8080e9f417fa01c971ba2f73c245c64e9
sha512
3939c9e68d655fa2435260aaf0b2d91282c9dd54c2701eb1de2e425c30a2ef8dfa7dd532ab227884b74bef1170a883dac4a7d3516fe1ee0c7bbd8d0ace681f76
ripemd-160
97c75d1dca1534fb2e576f506df966d104767214
Diameter
278582442
Circumference
875192553.2063
Area
6.0953319673107E+16
Volume
1.1320349761694E+25
Surface area
2.4381327869243E+17
Circumference
875192553.2063
Perimeter
557164884
Area
19402044247670841
Diagonal
196987533.85771
Surface area
116412265486025046
Volume
2.7025344331541E+24
Space diagonal
241259471.8203
Perimeter
417873663
Area
8.4013316019163E+15
Altitude
120629735.91015
Surface area
8.4013316019163E+15
Volume
3.1849673734557E+23
Height
65662511.285903