1990994998 is an even 10-digits composite number following 1990994997
and preceding 1990994999 . In scientific notation, it is written as 1.990994998 × 10^9.
The sum of its digits is 67. It has a total of 2 prime factors and 4 positive divisors.
There are 995497498 positive integers (up to 1990994998) that are relatively prime to 1990994998.
1990994998 has 4 divisors, whose sum is 2986492500
The reverse of 1990994998 is 8994990991
Previous prime number is 2
Is Prime? no Number parity even Number length 10 Sum of Digits 67 Digital Root 4
Name
one billion nine hundred ninety million nine hundred ninety-four thousand nine hundred ninety-eight
Scientific notation
1.990994998 × 10^9
Engineering notation
1.990994998 × 10^9
Prime Factorization
2 × 995497499
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1990994998 Product of the distinct prime numbers
The prime factorization of 1990994998 is 2 × 995497499.
Since it has a total of 2 prime factors.
6 , 7 , 77 , 98 , 458 , 371 , 4501 , 4558 , 74283 , 22976 , 935528 , 884632 , 2065158 , 2310913 , 15489370 , 53923721 , 753976459 , 809839389 , 4185112334 , 6549840830
n×2
3981989996
n×3
5972984994
n×4
7963979992
n×5
9954974990
n÷2
995497499
n÷3
663664999.33333
n÷3
497748749.5
n÷5
398198999.6
n2
3964061082061020004
n3
7.89242578615E+27
n4
1.5713780262311E+37
n5
3.1286057901932E+46
2 √n44620.566984295
3 √n1258.0272728713
4 √n211.23580895363
5 √n72.412582081154
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
-1990994997 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 1990994998 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990994998) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101011000010110000110110
3
Ternary
12010202102000200111
4
Quaternary
1312223002300312
5
Quinary
13034143314443
6
Senary
525321533234
8
Octal
16653026066
10
Decimal
1990994998
12
Duodecimal
47694421a
16
Hexadecimal
76ac2c36
20
Vigesimal
1b23e79i
36
Base36
wxdxkm
md5
cddd421c2bc61186f164fb7d0cdbcde1
sha1
05402f60c7c7ebb0b05f64398455b5e713614550
sha256
54b971a3161221f410eda3c908a429764e8f4d332c53c34ce4964a4eb516b0f0
sha512
f7b46d0dee40b47ba64181c45425b1d2471bdeec66e421c374bae4cc52ba346110a39eec61383630b5a7a17238c9b8b62283a6d644647d7436790cae3886dd76
ripemd-160
b4d513ebc1d57a12e536d570a501f2e7e84a5a9e
Diameter
3981989996
Circumference
12509790518.102
Area
1.2453465173784E+19
Volume
3.3059715825028E+28
Surface area
4.9813860695136E+19
Circumference
12509790518.102
Perimeter
7963979992
Area
3964061082061020004
Diagonal
2815692128.7886
Surface area
2.3784366492366E+19
Volume
7.89242578615E+27
Space diagonal
3448504494.1515
Perimeter
5972984994
Area
1.716488799609E+18
Altitude
1724252247.0757
Surface area
1.716488799609E+18
Volume
9.301312988997E+26
Height
938564042.92953