1990609918 is an even 10-digits composite number following 1990609917
and preceding 1990609919 . In scientific notation, it is written as 1.990609918 × 10^9.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 904822680 positive integers (up to 1990609918) that are relatively prime to 1990609918.
1990609918 has 8 divisors, whose sum is 3257361720
The reverse of 1990609918 is 8199060991
Previous prime number is 11
Is Prime? no
Number parity even
Number length 10
Sum of Digits 52
Digital Root 7
Name
one billion nine hundred ninety million six hundred nine thousand nine hundred eighteen
Scientific notation
1.990609918 × 10^9
Engineering notation
1.990609918 × 10^9
Prime Factorization
2 × 11 × 90482269
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1990609918
Product of the distinct prime numbers
The prime factorization of 1990609918 is 2 × 11 × 90482269.
Since it has a total of 3 prime factors.
2 , 6 , 64 , 34 , 535 , 97 , 6675 , 3142 , 90666 , 74521 , 452769 , 740838 , 6362735 , 6508422 , 5264399 , 36247803 , 56280631 , 937897423 , 7120146243 , 3501956925
n×2
3981219836
n×3
5971829754
n×4
7962439672
n×5
9953049590
n÷2
995304959
n÷3
663536639.33333
n÷3
497652479.5
n÷5
398121983.6
n2
3962527845639966724
n3
7.8878472298821E+27
n4
1.5701626927472E+37
n5
3.1255814290562E+46
2 √n
44616.251725128
3 √n
1257.9461622745
4 √n
211.22559438934
5 √n
72.409780788869
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
-1990609917
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 1990609918 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990609918) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101001100100101111111110
3
Ternary
12010201200110110021
4
Quaternary
1312221210233332
5
Quinary
13034044004133
6
Senary
525305402354
8
Octal
16651445776
10
Decimal
1990609918
12
Duodecimal
4767993ba
16
Hexadecimal
76a64bfe
20
Vigesimal
1b2164fi
36
Base36
wx5ofy
md5
cdab9500234708b7f9f528c5cc762122
sha1
a0d6fa9e1be04cbd44086fbf27ce6f077579b4b5
sha256
d7a3c86d4be5a3b8a234db8ee6d5aed5e63042209c4082313fa7df167a6faa12
sha512
8621197a348d413e95b62b1eb01ae00ba6d7db38996ed385c57fd52f5b5de9b880e27719c6a9de12309280986ef5b339c64c2b664e85709f60340d91cacc1ea5
ripemd-160
1b0c7fa49fd9cdd8822d54288a71161e7d52885d
Diameter
3981219836
Circumference
12507370989.104
Area
1.2448648369508E+19
Volume
3.3040537213382E+28
Surface area
4.979459347803E+19
Circumference
12507370989.104
Perimeter
7962439672
Area
3962527845639966724
Diagonal
2815147543.43
Surface area
2.377516707384E+19
Volume
7.8878472298821E+27
Space diagonal
3447837516.0265
Perimeter
5971829754
Area
1.7158248887637E+18
Altitude
1723918758.0133
Surface area
1.7158248887637E+18
Volume
9.2959171086886E+26
Height
938382514.47667