138996949 is an odd 9-digits composite number following 138996948
and preceding 138996950 . In scientific notation, it is written as 1.38996949 × 10^8.
The sum of its digits is 58. It has a total of 4 prime factors and 16 positive divisors.
There are 109719360 positive integers (up to 138996949) that are relatively prime to 138996949.
138996949 has 16 divisors, whose sum is 171472000
The reverse of 138996949 is 949699831
Previous prime number is 499
Is Prime? no Number parity odd Number length 9 Sum of Digits 58 Digital Root 4
Name
one hundred thirty-eight million nine hundred ninety-six thousand nine hundred forty-nine
Scientific notation
1.38996949 × 10^8
Engineering notation
1.38996949 × 10^6
Prime Factorization
7 × 13 × 499 × 3061
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
138996949 Product of the distinct prime numbers
The prime factorization of 138996949 is 7 × 13 × 499 × 3061.
Since it has a total of 4 prime factors.
6 , 6 , 56 , 73 , 386 , 47 , 5139 , 8712 , 59583 , 89615 , 251770 , 910526 , 6413283 , 8094517 , 87350991 , 48213093 , 775936784 , 730906060 , 8736624483 , 3336764314
n×2
277993898
n×3
416990847
n×4
555987796
n×5
694984745
n÷2
69498474.5
n÷3
46332316.333333
n÷3
34749237.25
n÷5
27799389.8
n2
19320151831308601
n3
2.6854421587687E+24
n4
3.7326826678482E+32
n5
5.1883150241608E+40
2 √n11789.69673062
3 √n518.00635666484
4 √n108.58036991381
5 √n42.520763443632
1 , 7 , 13 , 91 , 499 , 3061 , 3493 , 6487 , 21427 , 39793 , 45409 , 278551 , 1527439 , 10692073 , 19856707 , 138996949
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
-138996948 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 138996949 can be divided by 16 positive divisors.
The sum of these divisors (counting 138996949) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000010010001110110011010101
3
Ternary
100200112202222011
4
Quaternary
20102032303111
5
Quinary
241040400244
6
Senary
21443104221
8
Octal
1022166325
10
Decimal
138996949
12
Duodecimal
3a672071
16
Hexadecimal
848ecd5
20
Vigesimal
238ec79
36
Base36
2ar6qd
md5
02d6e19815681becaf2645fdc8a338e7
sha1
2fb613e9a8ce02886622172e4b8d2aadac69c34b
sha256
d3e12eaa77ef4ffee60cf47e3f1944d73dcd60cd8c78c77383185cd711139ff7
sha512
af02d8bf8b77af966d815e03f197ac7f4f6f0f683f1fbb9b4cc620c9d11dc15888f7b254905345ac6db60678ee7a33031884fe6fed58baa8548e33686337807b
ripemd-160
0614eed061130c470ce413d87a403a3265a3ea1e
Diameter
277993898
Circumference
873343587.69959
Area
6.0696047059478E+16
Volume
1.1248753810171E+25
Surface area
2.4278418823791E+17
Circumference
873343587.69959
Perimeter
555987796
Area
19320151831308601
Diagonal
196571370.40428
Surface area
115920910987851606
Volume
2.6854421587687E+24
Space diagonal
240749777.76506
Perimeter
416990847
Area
8.3658711454428E+15
Altitude
120374888.88253
Surface area
8.3658711454428E+15
Volume
3.1648239349159E+23
Height
65523790.13476