1994148905 is an odd 10-digits composite number following 1994148904
and preceding 1994148906 . In scientific notation, it is written as 1.994148905 × 10^9.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 1357575552 positive integers (up to 1994148905) that are relatively prime to 1994148905.
1994148905 has 16 divisors, whose sum is 2754514560
The reverse of 1994148905 is 5098414991
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion nine hundred ninety-four million one hundred forty-eight thousand nine hundred five
Scientific notation
1.994148905 × 10^9
Engineering notation
1.994148905 × 10^9
Prime Factorization
7 × 5 × 139 × 409897
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1994148905
Product of the distinct prime numbers
The prime factorization of 1994148905 is 7 × 5 × 139 × 409897.
Since it has a total of 4 prime factors.
8 , 1 , 90 , 56 , 194 , 705 , 8357 , 5619 , 76125 , 24205 , 688798 , 115000 , 8699355 , 5370239 , 28786134 , 65761504 , 854326412 , 782071320 , 9502614559 , 7672035622
n×2
3988297810
n×3
5982446715
n×4
7976595620
n×5
9970744525
n÷2
997074452.5
n÷3
664716301.66667
n÷3
498537226.25
n÷5
398829781
n2
3976629855312699025
n3
7.9299920715621E+27
n4
1.5813585006164E+37
n5
3.1534643224167E+46
2 √n
44655.894403763
3 √n
1258.6911968236
4 √n
211.31941322028
5 √n
72.435509107701
1 , 5 , 7 , 35 , 139 , 695 , 973 , 4865 , 409897 , 2049485 , 2869279 , 14346395 , 56975683 , 284878415 , 398829781 , 1994148905
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
-1994148904
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 1994148905 can be divided by 16 positive divisors.
The sum of these divisors (counting 1994148905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110110111000100110000101001
3
Ternary
12010222100021000212
4
Quaternary
1312313010300221
5
Quinary
13041000231110
6
Senary
525513310505
8
Octal
16667046051
10
Decimal
1994148905
12
Duodecimal
477a05435
16
Hexadecimal
76dc4c29
20
Vigesimal
1b338c55
36
Base36
wz9j55
md5
4258f984e0b3a50a43ed43c1bce31b9f
sha1
5e78534d7bd66b39a68b560306b120f93aef6155
sha256
ae47ee2bf2c81c07d18d6f59927be36a3dc1f743d0e6084e32465cafc8d545e8
sha512
cc1dc3a1cc1cb795a5e27edb10bdc8bc4a87a21137d5536b4b7b157dc33b31ba9ff5ec0a4fa5d8a53faf162cd5ee08cf2381c758e77b62e266ebfcbbc52f36c8
ripemd-160
4fb77ea192440f1493055b9017b1a49a22fec888
Diameter
3988297810
Circumference
12529607100.224
Area
1.2492951139496E+19
Volume
3.3217073113393E+28
Surface area
4.9971804557985E+19
Circumference
12529607100.224
Perimeter
7976595620
Area
3976629855312699025
Diagonal
2820152426.8425
Surface area
2.3859779131876E+19
Volume
7.9299920715621E+27
Space diagonal
3453967221.3178
Perimeter
5982446715
Area
1.7219312380742E+18
Altitude
1726983610.6589
Surface area
1.7219312380742E+18
Volume
9.3455852809286E+26
Height
940050808.94749