1998492769 is an odd 10-digits composite number following 1998492768
and preceding 1998492770 . In scientific notation, it is written as 1.998492769 × 10^9.
The sum of its digits is 64. It has a total of 4 prime factors and 12 positive divisors.
There are 1581224112 positive integers (up to 1998492769) that are relatively prime to 1998492769.
1998492769 has 12 divisors, whose sum is 2473199616
The reverse of 1998492769 is 9672948991
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 64
Digital Root 1
Name
one billion nine hundred ninety-eight million four hundred ninety-two thousand seven hundred sixty-nine
Scientific notation
1.998492769 × 10^9
Engineering notation
1.998492769 × 10^9
Prime Factorization
7 × 13 × 13 × 1689343
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
153730213
Product of the distinct prime numbers
The prime factorization of 1998492769 is 7 × 13 × 13 × 1689343.
Since it has a total of 4 prime factors.
3 , 5 , 100 , 14 , 251 , 380 , 999 , 4227 , 75241 , 38071 , 550036 , 287897 , 3342221 , 2961824 , 63037425 , 3303858 , 899254482 , 352931751 , 8540053522 , 3994082993
n×2
3996985538
n×3
5995478307
n×4
7993971076
n×5
9992463845
n÷2
999246384.5
n÷3
666164256.33333
n÷3
499623192.25
n÷5
399698553.8
n2
3993973347745287361
n3
7.9819268550477E+27
n4
1.59518231025E+37
n5
3.1879603122713E+46
2 √n
44704.505019069
3 √n
1259.6044716781
4 √n
211.43439885475
5 √n
72.467038969478
1 , 7 , 13 , 91 , 169 , 1183 , 1689343 , 11825401 , 21961459 , 153730213 , 285498967 , 1998492769
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
-1998492768
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 1998492769 can be divided by 12 positive divisors.
The sum of these divisors (counting 1998492769) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110111000111101001010001100001
3
Ternary
12011021111221200201
4
Quaternary
1313013221101201
5
Quinary
13043103232034
6
Senary
530150345201
8
Octal
16707512141
10
Decimal
1998492769
12
Duodecimal
47935b201
16
Hexadecimal
771e9461
20
Vigesimal
1b4abbi9
36
Base36
x1umw1
md5
53481c65d581a11e52de328d699ed3e0
sha1
7fcf085f3fbfaa7239415d73dc210951407cf628
sha256
ced22a17e401410ae0ae16a8fd4e19e34c3e524aeb27d6b76196c447f8089398
sha512
90f57aa7bd5c95a230c96fb4a3555322da6da10ada1ea0b85bc45fce6e84b162d1d9f1c192b50aef81f974be8da7f64d5f744f634efd778e0653900b4d2234ec
ripemd-160
51d85673a330a8a75b9f03f5da0f63f5748297e9
Diameter
3996985538
Circumference
12556900402.685
Area
1.254743732791E+19
Volume
3.3434617025745E+28
Surface area
5.018974931164E+19
Circumference
12556900402.685
Perimeter
7993971076
Area
3993973347745287361
Diagonal
2826295578.2244
Surface area
2.3963840086472E+19
Volume
7.9819268550477E+27
Space diagonal
3461491014.467
Perimeter
5995478307
Area
1.7294411905927E+18
Altitude
1730745507.2335
Surface area
1.7294411905927E+18
Volume
9.406791010232E+26
Height
942098526.07479