1998454984 is an even 10-digits composite number following 1998454983
and preceding 1998454985 . In scientific notation, it is written as 1.998454984 × 10^9.
The sum of its digits is 61. It has a total of 4 prime factors and 8 positive divisors.
There are 999227488 positive integers (up to 1998454984) that are relatively prime to 1998454984.
1998454984 has 8 divisors, whose sum is 3747103110
The reverse of 1998454984 is 4894548991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 61
Digital Root 7
Name
one billion nine hundred ninety-eight million four hundred fifty-four thousand nine hundred eighty-four
Scientific notation
1.998454984 × 10^9
Engineering notation
1.998454984 × 10^9
Prime Factorization
2 × 2 × 2 × 249806873
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
499613746
Product of the distinct prime numbers
The prime factorization of 1998454984 is 2 × 2 × 2 × 249806873.
Since it has a total of 4 prime factors.
1 , 10 , 75 , 25 , 525 , 406 , 3762 , 5762 , 30631 , 29512 , 739918 , 111272 , 7879534 , 3146869 , 79149502 , 86678986 , 260438661 , 180394278 , 1574308788 , 5632266184
n×2
3996909968
n×3
5995364952
n×4
7993819936
n×5
9992274920
n÷2
999227492
n÷3
666151661.33333
n÷3
499613746
n÷5
399690996.8
n2
3993822323074440256
n3
7.9814741267586E+27
n4
1.5950616748288E+37
n5
3.1876589538489E+46
2 √n
44704.082408657
3 √n
1259.5965332865
4 √n
211.43339946342
5 √n
72.46676494419
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998454983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998454984 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998454984) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000111100000000011001000
3
Ternary
12011021110000212021
4
Quaternary
1313013200003020
5
Quinary
13043101024414
6
Senary
530145454224
8
Octal
16707400310
10
Decimal
1998454984
12
Duodecimal
479341374
16
Hexadecimal
771e00c8
20
Vigesimal
1b4a6h94
36
Base36
x1ttqg
md5
01c01a5ba93010b39b6f307f292b071f
sha1
35bc0b01be1801cfcd72b548ae93091b8db8c82e
sha256
38c23174d72feeb1e18ae078fe08200426e7c632e3b6a8e17415ee6c4df733db
sha512
91a6a13f12cc1e5fc4401e561f435854eee630fbd7f72b62f51222d72c82f0a5b07e3b29b1c0e787ee79be6509448df244feac8b6b3fe363751e6872caa2af8e
ripemd-160
419756b4fbb73afce0729007fef89d82c1c0c61d
Diameter
3996909968
Circumference
12556662992.529
Area
1.2546962869914E+19
Volume
3.3432720641922E+28
Surface area
5.0187851479654E+19
Circumference
12556662992.529
Perimeter
7993819936
Area
3993822323074440256
Diagonal
2826242142.1649
Surface area
2.3962933938447E+19
Volume
7.9814741267586E+27
Space diagonal
3461425568.9272
Perimeter
5995364952
Area
1.7293757949919E+18
Altitude
1730712784.4636
Surface area
1.7293757949919E+18
Volume
9.4062574648266E+26
Height
942080714.05497