138794821 is an odd 9-digits composite number following 138794820
and preceding 138794822 . In scientific notation, it is written as 1.38794821 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 125340000 positive integers (up to 138794821) that are relatively prime to 138794821.
138794821 has 8 divisors, whose sum is 152417088
The reverse of 138794821 is 128497831
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred thirty-eight million seven hundred ninety-four thousand eight hundred twenty-one
Scientific notation
1.38794821 × 10^8
Engineering notation
1.38794821 × 10^6
Prime Factorization
11 × 151 × 83561
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138794821
Product of the distinct prime numbers
The prime factorization of 138794821 is 11 × 151 × 83561.
Since it has a total of 3 prime factors.
3 , 7 , 42 , 6 , 600 , 884 , 5142 , 6528 , 61403 , 7326 , 440652 , 188069 , 2119054 , 7393814 , 48100515 , 10352309 , 866248863 , 536480898 , 7280498327 , 3728384255
n×2
277589642
n×3
416384463
n×4
555179284
n×5
693974105
n÷2
69397410.5
n÷3
46264940.333333
n÷3
34698705.25
n÷5
27758964.2
n2
19264002336422041
n3
2.6737437560273E+24
n4
3.7110178601767E+32
n5
5.1507005963103E+40
2 √n
11781.121381261
3 √n
517.75514159949
4 √n
108.5408742422
5 √n
42.508389588528
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
-138794820
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 138794821 can be divided by 8 positive divisors.
The sum of these divisors (counting 138794821) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001011101011101000101
3
Ternary
100200011111200221
4
Quaternary
20101131131011
5
Quinary
241012413241
6
Senary
21434504341
8
Octal
1021353505
10
Decimal
138794821
12
Duodecimal
3a5950b1
16
Hexadecimal
845d745
20
Vigesimal
2379711
36
Base36
2amurp
md5
71ab2dd91841a6f620161e49e97b7418
sha1
de7ff1133663233e146feba4dc6a708a646b5c5e
sha256
d61cf52cd37c90c5463f5e6483a778b09ca35a2414af0bda27b35e4855c49f19
sha512
0611a64fed242d64736c5c8140aac5abc2d174fe58523b777d180407dbd39e16f7510332fad530d3ccfebe05863a1359361dd2b351216824570fee6d718c0798
ripemd-160
2fcf9ee87c7fe0746f4b4e3fdf6a195118aab60b
Diameter
277589642
Circumference
872073580.01982
Area
6.051964821884E+16
Volume
1.1199751655356E+25
Surface area
2.4207859287536E+17
Circumference
872073580.01982
Perimeter
555179284
Area
19264002336422041
Diagonal
196285518.24535
Surface area
115584014018532246
Volume
2.6737437560273E+24
Space diagonal
240399681.79943
Perimeter
416384463
Area
8.3415577009521E+15
Altitude
120199840.89971
Surface area
8.3415577009521E+15
Volume
3.1510372350701E+23
Height
65428506.081782