1998451294 is an even 10-digits composite number following 1998451293
and preceding 1998451295 . In scientific notation, it is written as 1.998451294 × 10^9.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 856479120 positive integers (up to 1998451294) that are relatively prime to 1998451294.
1998451294 has 8 divisors, whose sum is 3425916528
The reverse of 1998451294 is 4921548991
Previous prime number is 7
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 fifty-one thousand two hundred ninety-four
Scientific notation
1.998451294 × 10^9
Engineering notation
1.998451294 × 10^9
Prime Factorization
2 × 7 × 142746521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998451294
Product of the distinct prime numbers
The prime factorization of 1998451294 is 2 × 7 × 142746521.
Since it has a total of 3 prime factors.
1 , 10 , 60 , 19 , 961 , 216 , 4457 , 2451 , 5595 , 40372 , 805347 , 632102 , 8862289 , 5640948 , 67055260 , 92526519 , 417683145 , 163146056 , 7196039039 , 6730764731
n×2
3996902588
n×3
5995353882
n×4
7993805176
n×5
9992256470
n÷2
999225647
n÷3
666150431.33333
n÷3
499612823.5
n÷5
399690258.8
n2
3993807574490274436
n3
7.9814299152271E+27
n4
1.5950498942056E+37
n5
3.1876295250697E+46
2 √n
44704.041137239
3 √n
1259.5957580353
4 √n
211.4333018643
5 √n
72.466738183261
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
-1998451293
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 1998451294 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998451294) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000111011111001001011110
3
Ternary
12011021102211210121
4
Quaternary
1313013133021132
5
Quinary
13043100420134
6
Senary
530145425154
8
Octal
16707371136
10
Decimal
1998451294
12
Duodecimal
47933b1ba
16
Hexadecimal
771df25e
20
Vigesimal
1b4a684e
36
Base36
x1tqvy
md5
db7e814dc78a0719e491314364323c30
sha1
3ffe2e2c3a1ce9deb59adf589e8853397f9a6a24
sha256
690e9aee2d605c2b9709bbde21f27095b007c4289d4e315ef1140ce1f25f0cec
sha512
5a367dbe701459d2ad579e36821168890c84556b791a3b427dcf969eb80641ce29dcde5550b749b6eb692a4e0ee34fd49b03baf6584dd3bab84baa560ceff38a
ripemd-160
6e92fe86fcb6ab62a0fb560c6dcb7923f8e1476c
Diameter
3996902588
Circumference
12556639807.575
Area
1.254691653587E+19
Volume
3.3432535449092E+28
Surface area
5.018766614348E+19
Circumference
12556639807.575
Perimeter
7993805176
Area
3993807574490274436
Diagonal
2826236923.7169
Surface area
2.3962845446942E+19
Volume
7.9814299152271E+27
Space diagonal
3461419177.6598
Perimeter
5995353882
Area
1.7293694086676E+18
Altitude
1730709588.8299
Surface area
1.7293694086676E+18
Volume
9.4062053610371E+26
Height
942078974.57229