138993457 is an odd 9-digits composite number following 138993456
and preceding 138993458 . In scientific notation, it is written as 1.38993457 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 138917376 positive integers (up to 138993457) that are relatively prime to 138993457.
138993457 has 4 divisors, whose sum is 139069540
The reverse of 138993457 is 754399831
Previous prime number is 1873
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred thirty-eight million nine hundred ninety-three thousand four hundred fifty-seven
Scientific notation
1.38993457 × 10^8
Engineering notation
1.38993457 × 10^6
Prime Factorization
1873 × 74209
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138993457
Product of the distinct prime numbers
The prime factorization of 138993457 is 1873 × 74209.
Since it has a total of 2 prime factors.
2 , 5 , 5 , 73 , 69 , 894 , 4307 , 9720 , 5460 , 75927 , 86445 , 340211 , 6795184 , 2205211 , 10831124 , 45220464 , 475574156 , 72652110 , 6770989746 , 6955746788
n×2
277986914
n×3
416980371
n×4
555973828
n×5
694967285
n÷2
69496728.5
n÷3
46331152.333333
n÷3
34748364.25
n÷5
27798691.4
n2
19319181088810849
n3
2.6852397659428E+24
n4
3.7323075794227E+32
n5
5.1876633305126E+40
2 √n
11789.548634278
3 √n
518.00201869589
4 √n
108.5796879452
5 √n
42.520549792902
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138993456
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138993457 can be divided by 4 positive divisors.
The sum of these divisors (counting 138993457) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010010001101111100110001
3
Ternary
100200112121011211
4
Quaternary
20102031330301
5
Quinary
241040242312
6
Senary
21443040121
8
Octal
1022157461
10
Decimal
138993457
12
Duodecimal
3a670041
16
Hexadecimal
848df31
20
Vigesimal
238e3ch
36
Base36
2ar41d
md5
7623088be5477e48a012979f21a74a5a
sha1
9e3e38f0fd8db9d636905486784ca69f171f396a
sha256
9f0e8e226cc181483783312c7d39d5310a37380f9920cc3c5fa2e3e27c801e12
sha512
e5aa8253e1597dc2ac2ede5d73bc2db33ffa64458d33676e8eb6db9be7106db4a39c2caff2a0403628cb3c220f3a1db0f05be1ba5399f77cc225329390adf476
ripemd-160
4f7b8f59d0eaae9fdfd7d7abbaaec1af9d69b196
Diameter
277986914
Circumference
873321646.8165
Area
6.0692997381979E+16
Volume
1.1247906029084E+25
Surface area
2.4277198952792E+17
Circumference
873321646.8165
Perimeter
555973828
Area
19319181088810849
Diagonal
196566431.97052
Surface area
115915086532865094
Volume
2.6852397659428E+24
Space diagonal
240743729.44364
Perimeter
416980371
Area
8.3654508016111E+15
Altitude
120371864.72182
Surface area
8.3654508016111E+15
Volume
3.1645854126833E+23
Height
65522143.990174