1998451298 is an even 10-digits composite number following 1998451297
and preceding 1998451299 . In scientific notation, it is written as 1.998451298 × 10^9.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 999225648 positive integers (up to 1998451298) that are relatively prime to 1998451298.
1998451298 has 4 divisors, whose sum is 2997676950
The reverse of 1998451298 is 8921548991
Previous prime number is 2
Is Prime? no Number parity even Number length 10 Sum of Digits 56 Digital Root 2
Name
one billion nine hundred ninety-eight million four hundred fifty-one thousand two hundred ninety-eight
Scientific notation
1.998451298 × 10^9
Engineering notation
1.998451298 × 10^9
Prime Factorization
2 × 999225649
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1998451298 Product of the distinct prime numbers
The prime factorization of 1998451298 is 2 × 999225649.
Since it has a total of 2 prime factors.
2 , 2 , 77 , 9 , 116 , 37 , 1901 , 7194 , 91129 , 74825 , 954802 , 913898 , 3403589 , 795586 , 37041164 , 11252013 , 34109687 , 675820705 , 7584031370 , 435923432
n×2
3996902596
n×3
5995353894
n×4
7993805192
n×5
9992256490
n÷2
999225649
n÷3
666150432.66667
n÷3
499612824.5
n÷5
399690259.6
n2
3993807590477884804
n3
7.9814299631528E+27
n4
1.5950499069759E+37
n5
3.1876295569707E+46
2 √n44704.041181978
3 √n1259.5957588756
4 √n211.4333019701
5 √n72.46673821227
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
-1998451297 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 1998451298 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998451298) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111000111011111001001100010
3
Ternary
12011021102211210202
4
Quaternary
1313013133021202
5
Quinary
13043100420143
6
Senary
530145425202
8
Octal
16707371142
10
Decimal
1998451298
12
Duodecimal
47933b202
16
Hexadecimal
771df262
20
Vigesimal
1b4a684i
36
Base36
x1tqw2
md5
b57e4f22a5f4cc84ddf8680c8df46da9
sha1
6753956ef8e2bba6eaf09a64d0c98116409cc6f0
sha256
1a37150121fcb970b77c879493d076e207a13d3ae2cf3746bdbf86a0e409d9de
sha512
e6bfc624492e0e88029fed203c61b04b2e0015303f6d07fcca0b35c41a7e6b256df919711fa45421783daf317b9a8d90fa8630f9a50257de1e69596288fc57e3
ripemd-160
8a196f516152a31b83e174c1347337c5fa718870
Diameter
3996902596
Circumference
12556639832.708
Area
1.2546916586096E+19
Volume
3.3432535649843E+28
Surface area
5.0187666344386E+19
Circumference
12556639832.708
Perimeter
7993805192
Area
3993807590477884804
Diagonal
2826236929.3737
Surface area
2.3962845542867E+19
Volume
7.9814299631528E+27
Space diagonal
3461419184.588
Perimeter
5995353894
Area
1.7293694155905E+18
Altitude
1730709592.294
Surface area
1.7293694155905E+18
Volume
9.406205417518E+26
Height
942078976.45791