1998451297 is an odd 10-digits prime number following 1998451296
and preceding 1998451298 . In scientific notation, it is written as 1.998451297 × 10^9.
The sum of its digits is 55. It has a total of 1 prime factors and 2 positive divisors.
There are 1998451296 positive integers (up to 1998451297) that are relatively prime to 1998451297.
1998451297 has 2 divisors, whose sum is 1998451298
The reverse of 1998451297 is 7921548991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion nine hundred ninety-eight million four hundred fifty-one thousand two hundred ninety-seven
Scientific notation
1.998451297 × 10^9
Engineering notation
1.998451297 × 10^9
Prime Factorization
1998451297
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1998451297
Product of the distinct prime numbers
The prime factorization of 1998451297 is 1998451297.
Since it has a total of 1 prime factors.
6 , 4 , 24 , 62 , 675 , 422 , 4742 , 9651 , 77870 , 87485 , 37398 , 942356 , 2876094 , 1300972 , 42634844 , 77241317 , 581454608 , 233658565 , 5534210036 , 6352194841
n×2
3996902594
n×3
5995353891
n×4
7993805188
n×5
9992256485
n÷2
999225648.5
n÷3
666150432.33333
n÷3
499612824.25
n÷5
399690259.4
n2
3993807586480982209
n3
7.9814299511714E+27
n4
1.5950499037833E+37
n5
3.1876295489955E+46
2 √n
44704.041170793
3 √n
1259.5957586655
4 √n
211.43330194365
5 √n
72.466738205018
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1998451298
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
999225649
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
44704.041181978
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999989992
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998451297 can be divided by 2 positive divisors.
The sum of these divisors (counting 1998451297) is 1998451298, the average is 999225649.
Base
System
Value
2
Binary
1110111000111011111001001100001
3
Ternary
12011021102211210201
4
Quaternary
1313013133021201
5
Quinary
13043100420142
6
Senary
530145425201
8
Octal
16707371141
10
Decimal
1998451297
12
Duodecimal
47933b201
16
Hexadecimal
771df261
20
Vigesimal
1b4a684h
36
Base36
x1tqw1
md5
d42d17348dd58f442d66e88b88c85d93
sha1
9b4025b0078792d4ac2e3b35ebf56fc49092c582
sha256
45aa619680779c5ec0b9cfbcf3069ba50218dc02dff984ad51ed7cf1e6c43ba4
sha512
04df77aba113ef8c5438b77016c7cf52b7cac47a2e3d72cec12def287955354c81a746a44137569715165659f5e34b4df890bdc5c45f3d786718965f66cf1b36
ripemd-160
222faf0635b3f680d4f74aaaa103c74add82970b
Diameter
3996902594
Circumference
12556639826.424
Area
1.254691657354E+19
Volume
3.3432535599655E+28
Surface area
5.0187666294159E+19
Circumference
12556639826.424
Perimeter
7993805188
Area
3993807586480982209
Diagonal
2826236927.9595
Surface area
2.3962845518886E+19
Volume
7.9814299511714E+27
Space diagonal
3461419182.8559
Perimeter
5995353891
Area
1.7293694138598E+18
Altitude
1730709591.428
Surface area
1.7293694138598E+18
Volume
9.4062054033978E+26
Height
942078975.9865