1990366861 is an odd 10-digits composite number following 1990366860
and preceding 1990366862 . In scientific notation, it is written as 1.990366861 × 10^9.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 1706028732 positive integers (up to 1990366861) that are relatively prime to 1990366861.
1990366861 has 4 divisors, whose sum is 2274704992
The reverse of 1990366861 is 1686630991
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion nine hundred ninety million three hundred sixty-six thousand eight hundred sixty-one
Scientific notation
1.990366861 × 10^9
Engineering notation
1.990366861 × 10^9
Prime Factorization
7 × 284338123
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1990366861
Product of the distinct prime numbers
The prime factorization of 1990366861 is 7 × 284338123.
Since it has a total of 2 prime factors.
5 , 9 , 61 , 38 , 537 , 728 , 3448 , 8932 , 45434 , 71544 , 960272 , 321665 , 4850602 , 8668282 , 4766138 , 87294143 , 431869353 , 92043810 , 2421525067 , 152750147
n×2
3980733722
n×3
5971100583
n×4
7961467444
n×5
9951834305
n÷2
995183430.5
n÷3
663455620.33333
n÷3
497591715.25
n÷5
398073372.2
n2
3961560241366993321
n3
7.884958222272E+27
n4
1.569395954598E+37
n5
3.1236736998193E+46
2 √n
44613.52778026
3 √n
1257.8949610383
4 √n
211.2191463392
5 √n
72.408012429978
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
-1990366860
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 1990366861 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990366861) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101000101001011010001101
3
Ternary
12010201020010001011
4
Quaternary
1312220221122031
5
Quinary
13034013214421
6
Senary
525300245221
8
Octal
16650513215
10
Decimal
1990366861
12
Duodecimal
4766a0811
16
Hexadecimal
76a2968d
20
Vigesimal
1b1jfh31
36
Base36
wx0gwd
md5
0ff94e10e2e6c97824a999a9e01be9a5
sha1
791b70c2c1097a32e254659dcf53fbf84dcff3a8
sha256
00fe4a6f1f9fe2d452f4a54145e6a619a00739d65da467d510f431d45379601e
sha512
4500d82f95cd96b9d15ddcfe6b394adfe74f25cc2a241fdb191d57e4f2e5851e49c786bd1b86fb1c7a85280401be59061e291ba08624b8daafebb4791c9b292a
ripemd-160
d824138775d9e7d3ceff7acd07869d3b93ad6019
Diameter
3980733722
Circumference
12505843816.932
Area
1.2445608551032E+19
Volume
3.3028435766603E+28
Surface area
4.9782434204128E+19
Circumference
12505843816.932
Perimeter
7961467444
Area
3961560241366993321
Diagonal
2814803808.9242
Surface area
2.3769361448202E+19
Volume
7.884958222272E+27
Space diagonal
3447416528.9534
Perimeter
5971100583
Area
1.7154059038231E+18
Altitude
1723708264.4767
Surface area
1.7154059038231E+18
Volume
9.2925123805686E+26
Height
938267936.30806