1998451292 is an even 10-digits composite number following 1998451291
and preceding 1998451293 . In scientific notation, it is written as 1.998451292 × 10^9.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 999115440 positive integers (up to 1998451292) that are relatively prime to 1998451292.
1998451292 has 12 divisors, whose sum is 3497675496
The reverse of 1998451292 is 2921548991
Previous prime number is 11443
Is Prime? no
Number parity even
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion nine hundred ninety-eight million four hundred fifty-one thousand two hundred ninety-two
Scientific notation
1.998451292 × 10^9
Engineering notation
1.998451292 × 10^9
Prime Factorization
2 × 2 × 11443 × 43661
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
999225646
Product of the distinct prime numbers
The prime factorization of 1998451292 is 2 × 2 × 11443 × 43661.
Since it has a total of 4 prime factors.
5 , 2 , 73 , 20 , 880 , 839 , 2416 , 2077 , 50027 , 31662 , 858366 , 609367 , 8547072 , 9486337 , 91514742 , 32470398 , 6046505 , 813468432 , 195449107 , 3642182885
n×2
3996902584
n×3
5995353876
n×4
7993805168
n×5
9992256460
n÷2
999225646
n÷3
666150430.66667
n÷3
499612823
n÷5
399690258.4
n2
3993807566496469264
n3
7.9814298912642E+27
n4
1.5950498878204E+37
n5
3.1876295091192E+46
2 √n
44704.04111487
3 √n
1259.5957576151
4 √n
211.4333018114
5 √n
72.466738168757
1 , 2 , 4 , 11443 , 22886 , 43661 , 45772 , 87322 , 174644 , 499612823 , 999225646 , 1998451292
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
-1998451291
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 1998451292 can be divided by 12 positive divisors.
The sum of these divisors (counting 1998451292) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110111000111011111001001011100
3
Ternary
12011021102211210112
4
Quaternary
1313013133021130
5
Quinary
13043100420132
6
Senary
530145425152
8
Octal
16707371134
10
Decimal
1998451292
12
Duodecimal
47933b1b8
16
Hexadecimal
771df25c
20
Vigesimal
1b4a684c
36
Base36
x1tqvw
md5
bc2d90246a60c57fd5860e637b516bf5
sha1
69d805a58a9d0726faa1e8fee664411c76300b60
sha256
77393c180f365bbc207cb8ccca1bf70f5a68adc5bdc229047d309c9c4b9edde5
sha512
088d26f85e4dbdb682bd2b46d4366578f327b34ddb86df206941a0f1231e1b7f906e33d170ef66d16fc4bad1aade41ae3cef0e074010048f2bc13b92d8524362
ripemd-160
9457c159e0f73a65a2ed0fce46b39c95cf9c0a56
Diameter
3996902584
Circumference
12556639795.008
Area
1.2546916510757E+19
Volume
3.3432535348717E+28
Surface area
5.0187666043027E+19
Circumference
12556639795.008
Perimeter
7993805168
Area
3993807566496469264
Diagonal
2826236920.8884
Surface area
2.3962845398979E+19
Volume
7.9814298912642E+27
Space diagonal
3461419174.1957
Perimeter
5995353876
Area
1.7293694052062E+18
Altitude
1730709587.0978
Surface area
1.7293694052062E+18
Volume
9.4062053327966E+26
Height
942078973.62948