1998907427 is an odd 10-digits composite number following 1998907426
and preceding 1998907428 . In scientific notation, it is written as 1.998907427 × 10^9.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 1817188560 positive integers (up to 1998907427) that are relatively prime to 1998907427.
1998907427 has 4 divisors, whose sum is 2180626296
The reverse of 1998907427 is 7247098991
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion nine hundred ninety-eight million nine hundred seven thousand four hundred twenty-seven
Scientific notation
1.998907427 × 10^9
Engineering notation
1.998907427 × 10^9
Prime Factorization
11 × 181718857
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1998907427
Product of the distinct prime numbers
The prime factorization of 1998907427 is 11 × 181718857.
Since it has a total of 2 prime factors.
7 , 8 , 5 , 11 , 946 , 192 , 7058 , 8228 , 50240 , 90862 , 133120 , 386513 , 5785580 , 4529083 , 39633000 , 87587145 , 887861247 , 724792284 , 8363971827 , 8412931860
n×2
3997814854
n×3
5996722281
n×4
7995629708
n×5
9994537135
n÷2
999453713.5
n÷3
666302475.66667
n÷3
499726856.75
n÷5
399781485.4
n2
3995630901715760329
n3
7.9868962849903E+27
n4
1.5965066302746E+37
n5
3.1912689605106E+46
2 √n
44709.14254378
3 √n
1259.6915821512
4 √n
211.44536538733
5 √n
72.470045889926
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
-1998907426
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 1998907427 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998907427) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111001001001110100000100011
3
Ternary
12011022022000111102
4
Quaternary
1313021032200203
5
Quinary
13043210014202
6
Senary
530203305015
8
Octal
16711164043
10
Decimal
1998907427
12
Duodecimal
47951b16b
16
Hexadecimal
7724e823
20
Vigesimal
1b4d38b7
36
Base36
x23iub
md5
399f8ace250f05c2e795a3f91eae0935
sha1
a918e4ee1b84e4b90000bc870450c5ff95966d5a
sha256
4039eb1c6cb812762d8f49e414f8f2288a9f5b1cdd97c6c0260fb5cd1356175c
sha512
2627ab79585d81ba4d50698a096e6130bccdb0696ad875f6366995b269fcd3829149ea3de9d34a67cf12b0cf7e6e4eab94371c53b8bc2828f1eb85455be5a5a4
ripemd-160
6e726ea11f4bf0376bdbf90ea140c9c2e18d240f
Diameter
3997814854
Circumference
12559505775.739
Area
1.2552644687287E+19
Volume
3.3455432925212E+28
Surface area
5.0210578749146E+19
Circumference
12559505775.739
Perimeter
7995629708
Area
3995630901715760329
Diagonal
2826881993.1917
Surface area
2.3973785410295E+19
Volume
7.9868962849903E+27
Space diagonal
3462209223.1908
Perimeter
5996722281
Area
1.730158932516E+18
Altitude
1731104611.5954
Surface area
1.730158932516E+18
Volume
9.4126475395839E+26
Height
942293997.73057