1998907423 is an odd 10-digits composite number following 1998907422
and preceding 1998907424 . In scientific notation, it is written as 1.998907423 × 10^9.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 1998452880 positive integers (up to 1998907423) that are relatively prime to 1998907423.
1998907423 has 4 divisors, whose sum is 1999361968
The reverse of 1998907423 is 3247098991
Previous prime number is 4441
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 52
Digital Root 7
Name
one billion nine hundred ninety-eight million nine hundred seven thousand four hundred twenty-three
Scientific notation
1.998907423 × 10^9
Engineering notation
1.998907423 × 10^9
Prime Factorization
4441 × 450103
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1998907423
Product of the distinct prime numbers
The prime factorization of 1998907423 is 4441 × 450103.
Since it has a total of 2 prime factors.
9 , 2 , 31 , 6 , 724 , 761 , 2144 , 1416 , 98235 , 68384 , 625855 , 29254 , 346780 , 5510537 , 45430146 , 8583231 , 153917510 , 930583159 , 5873670764 , 4436029316
n×2
3997814846
n×3
5996722269
n×4
7995629692
n×5
9994537115
n÷2
999453711.5
n÷3
666302474.33333
n÷3
499726855.75
n÷5
399781484.6
n2
3995630885724500929
n3
7.9868962370428E+27
n4
1.5965066174956E+37
n5
3.1912689285805E+46
2 √n
44709.142499046
3 √n
1259.691581311
4 √n
211.44536528154
5 √n
72.470045860922
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
-1998907422
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 1998907423 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998907423) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111001001001110100000011111
3
Ternary
12011022022000111021
4
Quaternary
1313021032200133
5
Quinary
13043210014143
6
Senary
530203305011
8
Octal
16711164037
10
Decimal
1998907423
12
Duodecimal
47951b167
16
Hexadecimal
7724e81f
20
Vigesimal
1b4d38b3
36
Base36
x23iu7
md5
d9e8bc90e98deb0db1dc82c6e1f9122b
sha1
2365ce2f39ee2502a9951712859cb46f68ce3f96
sha256
f7872c36365f1ef1d2b06aeaabb7abf84afbec5b083fa5e910c1d77f5462e866
sha512
c13e76e218f511ffbd2052e4f68a73af17abeebca976443d2c6b54ed6f2d6aa57c9305c596e2b7359519deb09f2bc45dec0d24175db424e3c95f48caaf65a3a9
ripemd-160
885f5ecb4e973cf9d4b0fc374dbfa819f7b109b0
Diameter
3997814846
Circumference
12559505750.606
Area
1.2552644637049E+19
Volume
3.345543272437E+28
Surface area
5.0210578548194E+19
Circumference
12559505750.606
Perimeter
7995629692
Area
3995630885724500929
Diagonal
2826881987.5349
Surface area
2.3973785314347E+19
Volume
7.9868962370428E+27
Space diagonal
3462209216.2626
Perimeter
5996722269
Area
1.7301589255916E+18
Altitude
1731104608.1313
Surface area
1.7301589255916E+18
Volume
9.4126474830771E+26
Height
942293995.84495