1990494754 is an even 10-digits composite number following 1990494753
and preceding 1990494755 . In scientific notation, it is written as 1.990494754 × 10^9.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 995022336 positive integers (up to 1990494754) that are relatively prime to 1990494754.
1990494754 has 8 divisors, whose sum is 2986417260
The reverse of 1990494754 is 4574940991
Previous prime number is 4513
Is Prime? no Number parity even Number length 10 Sum of Digits 52 Digital Root 7
Name
one billion nine hundred ninety million four hundred ninety-four thousand seven hundred fifty-four
Scientific notation
1.990494754 × 10^9
Engineering notation
1.990494754 × 10^9
Prime Factorization
2 × 4513 × 220529
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1990494754 Product of the distinct prime numbers
The prime factorization of 1990494754 is 2 × 4513 × 220529.
Since it has a total of 3 prime factors.
7 , 10 , 8 , 69 , 502 , 818 , 7756 , 5955 , 16711 , 55352 , 650185 , 592458 , 2124986 , 1014941 , 16010753 , 69715693 , 813620659 , 923576686 , 5413498980 , 3201277791
n×2
3980989508
n×3
5971484262
n×4
7961979016
n×5
9952473770
n÷2
995247377
n÷3
663498251.33333
n÷3
497623688.5
n÷5
398098950.8
n2
3962069365701520516
n3
7.886478287413E+27
n4
1.569799365863E+37
n5
3.1246774025829E+46
2 √n44614.96110051
3 √n1257.9219028914
4 √n211.22253928146
5 √n72.408942935817
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
-1990494753 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 1990494754 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990494754) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101001001000101000100010
3
Ternary
12010201110121110221
4
Quaternary
1312221020220202
5
Quinary
13034031313004
6
Senary
525303113254
8
Octal
16651105042
10
Decimal
1990494754
12
Duodecimal
47674282a
16
Hexadecimal
76a48a22
20
Vigesimal
1b20bghe
36
Base36
wx37ky
md5
640f43e7a0a172ceec46fe5be6cb6c56
sha1
2d8d0ecb1560dcf893544f494068350611818587
sha256
98d6b45b79412e444b8cb7640a8c18f516b5022189beb05bcef4afa10b9e47d3
sha512
abdba9ce03494e8b410480241f6fc82c3b9237af29c943032e4e3504bc02f9fc70760403dca5d1686c2c8edf33c2de5c4e240ecacb00a6928ee18d34d72c7062
ripemd-160
ddbb751895490b2ffe2db5321c97094b82972507
Diameter
3980989508
Circumference
12506647392.351
Area
1.2447208012301E+19
Volume
3.3034803000576E+28
Surface area
4.9788832049204E+19
Circumference
12506647392.351
Perimeter
7961979016
Area
3962069365701520516
Diagonal
2814984676.9393
Surface area
2.3772416194209E+19
Volume
7.886478287413E+27
Space diagonal
3447638046.1273
Perimeter
5971484262
Area
1.7156263611268E+18
Altitude
1723819023.0637
Surface area
1.7156263611268E+18
Volume
9.294303794517E+26
Height
938328225.64643