1990456994 is an even 10-digits composite number following 1990456993
and preceding 1990456995 . In scientific notation, it is written as 1.990456994 × 10^9.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 994792176 positive integers (up to 1990456994) that are relatively prime to 1990456994.
1990456994 has 8 divisors, whose sum is 2986994460
The reverse of 1990456994 is 4996540991
Previous prime number is 2293
Is Prime? no Number parity even Number length 10 Sum of Digits 56 Digital Root 2
Name
one billion nine hundred ninety million four hundred fifty-six thousand nine hundred ninety-four
Scientific notation
1.990456994 × 10^9
Engineering notation
1.990456994 × 10^9
Prime Factorization
2 × 2293 × 434029
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1990456994 Product of the distinct prime numbers
The prime factorization of 1990456994 is 2 × 2293 × 434029.
Since it has a total of 3 prime factors.
8 , 1 , 80 , 33 , 204 , 26 , 6336 , 3610 , 40708 , 90726 , 923011 , 544428 , 4664437 , 3366313 , 46861304 , 20268793 , 728406416 , 817664161 , 9765514196 , 2574594660
n×2
3980913988
n×3
5971370982
n×4
7961827976
n×5
9952284970
n÷2
995228497
n÷3
663485664.66667
n÷3
497614248.5
n÷5
398091398.8
n2
3961919044963516036
n3
7.8860294727094E+27
n4
1.5696802518845E+37
n5
3.1243810357071E+46
2 √n44614.537922072
3 √n1257.9139485153
4 √n211.2215375431
5 √n72.408668211914
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
-1990456993 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 1990456994 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990456994) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101000111111011010100010
3
Ternary
12010201101200200102
4
Quaternary
1312220333122202
5
Quinary
13034024110434
6
Senary
525302222402
8
Octal
16650773242
10
Decimal
1990456994
12
Duodecimal
476724a02
16
Hexadecimal
76a3f6a2
20
Vigesimal
1b20729e
36
Base36
wx2eg2
md5
7b6f54a351ba3ad2bb9312089b255432
sha1
a23a20565f19b2399d143ef5fa38a95e6a460886
sha256
baaba6e2176129f1825bc48d26157a54f072a764e99943e6d6ded849f8e02a48
sha512
1abe24c538fcc01c30527e2462faa37c5db63ab296774a5bb7447ebb1eaf7399ce629b70c9cc8f26f3ea52d313b5445f98822875fa90bc9ff3368bad0ec7412d
ripemd-160
8942f58b690269e410fec21e06aa026aee9b7ef6
Diameter
3980913988
Circumference
12506410139.274
Area
1.2446735765775E+19
Volume
3.3032923009942E+28
Surface area
4.9786943063099E+19
Circumference
12506410139.274
Perimeter
7961827976
Area
3961919044963516036
Diagonal
2814931276.2352
Surface area
2.3771514269781E+19
Volume
7.8860294727094E+27
Space diagonal
3447572643.8888
Perimeter
5971370982
Area
1.7155612703379E+18
Altitude
1723786321.9444
Surface area
1.7155612703379E+18
Volume
9.2937748613164E+26
Height
938310425.41173