138984915 is an odd 9-digits composite number following 138984914
and preceding 138984916 . In scientific notation, it is written as 1.38984915 × 10^8.
The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors.
There are 72880640 positive integers (up to 138984915) that are relatively prime to 138984915.
138984915 has 32 divisors, whose sum is 226146816
The reverse of 138984915 is 519489831
Previous prime number is 491
Is Prime? no Number parity odd Number length 9 Sum of Digits 48 Digital Root 3
Name
one hundred thirty-eight million nine hundred eighty-four thousand nine hundred fifteen
Scientific notation
1.38984915 × 10^8
Engineering notation
1.38984915 × 10^6
Prime Factorization
3 × 5 × 113 × 491 × 167
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
138984915 Product of the distinct prime numbers
The prime factorization of 138984915 is 3 × 5 × 113 × 491 × 167.
Since it has a total of 5 prime factors.
4 , 3 , 2 , 54 , 571 , 675 , 6946 , 8208 , 91869 , 40928 , 484062 , 173153 , 8210534 , 8074687 , 74721199 , 32594437 , 812867366 , 869936673 , 3997347078 , 6654438913
n×2
277969830
n×3
416954745
n×4
555939660
n×5
694924575
n÷2
69492457.5
n÷3
46328305
n÷3
34746228.75
n÷5
27796983
n2
19316806597557225
n3
2.6847447230329E+24
n4
3.7313901712743E+32
n5
5.1860694578639E+40
2 √n11789.186358693
3 √n517.99140701199
4 √n108.57801968489
5 √n42.520027150365
1 , 3 , 5 , 15 , 113 , 167 , 339 , 491 , 501 , 565 , 835 , 1473 , 1695 , 2455 , 2505 , 7365 , 18871 , 55483 , 56613 , 81997 , 94355 , 166449 , 245991 , 277415 , 283065 , 409985 , 832245 , 1229955 , 9265661 , 27796983 , 46328305 , 138984915
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-138984914 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138984915 can be divided by 32 positive divisors.
The sum of these divisors (counting 138984915) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000010010001011110111010011
3
Ternary
100200112011110110
4
Quaternary
20102023313103
5
Quinary
241040004130
6
Senary
21442532403
8
Octal
1022136723
10
Decimal
138984915
12
Duodecimal
3a667103
16
Hexadecimal
848bdd3
20
Vigesimal
238d25f
36
Base36
2aqxg3
md5
a6ce4c902f06d2dbfef5f5b2b5cd1a44
sha1
fb1a4f9ef732b782aba5efd2f67cc314d39f12ac
sha256
7e6c840504feef07c41707fe95a9f42a0b2f7949e8fc5850458efd4f5c24ae47
sha512
b89f6490ced8a7cc41a19abf81d335cd5c2391f64d1d0b40ec60347297b3430351b2d657bd8904e72fc0b80e8693496c68bb326834120c2ed93e4c7f53446c88
ripemd-160
ab0febd0f57ffac5a5615060a91387a0f7e8a61f
Diameter
277969830
Circumference
873267975.8476
Area
6.0685537697701E+16
Volume
1.1245832398192E+25
Surface area
2.427421507908E+17
Circumference
873267975.8476
Perimeter
555939660
Area
19316806597557225
Diagonal
196554351.75827
Surface area
115900839585343350
Volume
2.6847447230329E+24
Space diagonal
240728934.26564
Perimeter
416954745
Area
8.3644226167377E+15
Altitude
120364467.13282
Surface area
8.3644226167377E+15
Volume
3.164001999019E+23
Height
65518117.252757