138220881 is an odd 9-digits composite number following 138220880
and preceding 138220882 . In scientific notation, it is written as 1.38220881 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 89899680 positive integers (up to 138220881) that are relatively prime to 138220881.
138220881 has 8 divisors, whose sum is 188789664
The reverse of 138220881 is 188022831
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred thirty-eight million two hundred twenty thousand eight hundred eighty-one
Scientific notation
1.38220881 × 10^8
Engineering notation
1.38220881 × 10^6
Prime Factorization
3 × 41 × 1123747
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138220881
Product of the distinct prime numbers
The prime factorization of 138220881 is 3 × 41 × 1123747.
Since it has a total of 3 prime factors.
1 , 10 , 40 , 98 , 274 , 861 , 1013 , 4869 , 21911 , 9002 , 330332 , 510216 , 5136409 , 4613072 , 7715611 , 95670743 , 574515161 , 132259851 , 8731308171 , 9580467623
n×2
276441762
n×3
414662643
n×4
552883524
n×5
691104405
n÷2
69110440.5
n÷3
46073627
n÷3
34555220.25
n÷5
27644176.2
n2
19105011944416161
n3
2.6407115824727E+24
n4
3.6500148139628E+32
n5
5.04508263249E+40
2 √n
11756.737685259
3 √n
517.04048733455
4 √n
108.428491114
5 √n
42.473175421195
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
-138220880
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 138220881 can be divided by 8 positive divisors.
The sum of these divisors (counting 138220881) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001111010001010101010001
3
Ternary
100122002100101220
4
Quaternary
20033101111101
5
Quinary
240341032011
6
Senary
21414315253
8
Octal
1017212521
10
Decimal
138220881
12
Duodecimal
3a358b29
16
Hexadecimal
83d1551
20
Vigesimal
233hc41
36
Base36
2aajwx
md5
7a69cea2b30ff1644fbe967d38234f30
sha1
3922b1258727514c5682ce6882c25438afac66fc
sha256
a9a5d9f84a3a43870b3d56c86718c6e9fd82810b89ed17c92cfa0e470ba3924b
sha512
48e3eccd72438c057317ad31756b05486091939af8d0cb769b37cc77a73509ac9f3ac038d65f2c1142a874232ad1ffc8c8ec4e31f5a690b31dd684d56054da65
ripemd-160
dfe39a0c33ed1e93cefa158d8fa5df0203060a27
Diameter
276441762
Circumference
868467408.64462
Area
6.0020165171323E+16
Volume
1.1061386810328E+25
Surface area
2.4008066068529E+17
Circumference
868467408.64462
Perimeter
552883524
Area
19105011944416161
Diagonal
195473844.51336
Surface area
114630071666496966
Volume
2.6407115824727E+24
Space diagonal
239405588.55893
Perimeter
414662643
Area
8.2727128417348E+15
Altitude
119702794.27947
Surface area
8.2727128417348E+15
Volume
3.1121084452072E+23
Height
65157948.171119