1998488140 is an even 10-digits composite number following 1998488139
and preceding 1998488141 . In scientific notation, it is written as 1.998488140 × 10^9.
The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors.
There are 726722880 positive integers (up to 1998488140) that are relatively prime to 1998488140.
1998488140 has 12 divisors, whose sum is 3560942896
The reverse of 1998488140 is 0418848991
Previous prime number is 55
Is Prime? no Number parity even Number length 10 Sum of Digits 52 Digital Root 7
Name
one billion nine hundred ninety-eight million four hundred eighty-eight thousand one hundred forty
Scientific notation
1.998488140 × 10^9
Engineering notation
1.998488140 × 10^9
Prime Factorization
2 × 2 × 55 × 9084037
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
999244070 Product of the distinct prime numbers
The prime factorization of 1998488140 is 2 × 2 × 55 × 9084037.
Since it has a total of 4 prime factors.
6 , 6 , 69 , 24 , 797 , 881 , 9053 , 557 , 36815 , 95303 , 462917 , 841836 , 2207494 , 3434600 , 34743794 , 91459508 , 752282021 , 567559919 , 7667974080 , 241872611
n×2
3996976280
n×3
5995464420
n×4
7993952560
n×5
9992440700
n÷2
999244070
n÷3
666162713.33333
n÷3
499622035
n÷5
399697628
n2
3993954845720659600
n3
7.9818713908683E+27
n4
1.5951675309656E+37
n5
3.1879233919477E+46
2 √n44704.453245734
3 √n1259.6034991596
4 √n211.43427642115
5 √n72.467005399155
1 , 2 , 4 , 55 , 110 , 220 , 9084037 , 18168074 , 36336148 , 499622035 , 999244070 , 1998488140
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1998488139 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998488140 can be divided by 12 positive divisors.
The sum of these divisors (counting 1998488140) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110111000111101000001001001100
3
Ternary
12011021111201100021
4
Quaternary
1313013220021030
5
Quinary
13043103110030
6
Senary
530150311524
8
Octal
16707501114
10
Decimal
1998488140
12
Duodecimal
4793585a4
16
Hexadecimal
771e824c
20
Vigesimal
1b4ab070
36
Base36
x1ujbg
md5
24c02953607b710f728c78f22e0e3765
sha1
83c538283bc01a847e5b3df0db5d192e1ff25ed4
sha256
0dcedb836b0db16b253bcdcf1abcfafa9caf0bf704552f01b9daaec18d75cde2
sha512
0af32ab699b6cf8d715890165067ecd59b3040b275017a19ecc6f8736e5c3c7d21564618bfac067d097322ced7b40bea92521fd0707462b747c20f7af14f42b0
ripemd-160
4a2d2a41403802d73ccc6f1c4e3bcc09cb8995d7
Diameter
3996976280
Circumference
12556871317.821
Area
1.2547379202085E+19
Volume
3.3434384697934E+28
Surface area
5.0189516808342E+19
Circumference
12556871317.821
Perimeter
7993952560
Area
3993954845720659600
Diagonal
2826289031.8298
Surface area
2.3963729074324E+19
Volume
7.9818713908683E+27
Space diagonal
3461482996.8038
Perimeter
5995464420
Area
1.729433178981E+18
Altitude
1730741498.4019
Surface area
1.729433178981E+18
Volume
9.4067256450698E+26
Height
942096343.94326