1990990436 is an even 10-digits composite number following 1990990435
and preceding 1990990437 . In scientific notation, it is written as 1.990990436 × 10^9.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 995351400 positive integers (up to 1990990436) that are relatively prime to 1990990436.
1990990436 has 12 divisors, whose sum is 3484736640
The reverse of 1990990436 is 6340990991
Previous prime number is 7759
Is Prime? no Number parity even Number length 10 Sum of Digits 50 Digital Root 5
Name
one billion nine hundred ninety million nine hundred ninety thousand four hundred thirty-six
Scientific notation
1.990990436 × 10^9
Engineering notation
1.990990436 × 10^9
Prime Factorization
2 × 2 × 7759 × 64151
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
995495218 Product of the distinct prime numbers
The prime factorization of 1990990436 is 2 × 2 × 7759 × 64151.
Since it has a total of 4 prime factors.
7 , 9 , 23 , 54 , 685 , 266 , 5280 , 265 , 64279 , 91154 , 598 , 608492 , 7336865 , 625631 , 69587710 , 89946323 , 642078943 , 398381875 , 2728009656 , 2363202288
n×2
3981980872
n×3
5972971308
n×4
7963961744
n×5
9954952180
n÷2
995495218
n÷3
663663478.66667
n÷3
497747609
n÷5
398198087.2
n2
3964042916243470096
n3
7.8923715341343E+27
n4
1.571363624182E+37
n5
3.1285699472247E+46
2 √n44620.515864342
3 √n1258.0263120243
4 √n211.2356879515
5 √n72.412548897092
1 , 2 , 4 , 7759 , 15518 , 31036 , 64151 , 128302 , 256604 , 497747609 , 995495218 , 1990990436
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1990990435 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990990436 can be divided by 12 positive divisors.
The sum of these divisors (counting 1990990436) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110101011000001101001100100
3
Ternary
12010202101210102112
4
Quaternary
1312223001221210
5
Quinary
13034143143221
6
Senary
525321500152
8
Octal
16653015144
10
Decimal
1990990436
12
Duodecimal
476941658
16
Hexadecimal
76ac1a64
20
Vigesimal
1b23dg1g
36
Base36
wxdu1w
md5
b1ffa7a7a1e34ad61fa2ccb29904ebb3
sha1
4a2e9365c54fea0cc08bd99c832fc5f0b27aa54c
sha256
0916bb361b7119cbdc8fe846377c00bdc6353cf43be0591a040862d32ba47d0f
sha512
033a8458e6079533365ad4702bf8d27b8c9a51009911efc67bee8ea6e064200bd9dfdf45c8866dfb802d3735768682a3e8a7e09a614306f954003bcabb6212df
ripemd-160
35d4e7d039e1b426a6864d6fe0bf5c5504785a49
Diameter
3981980872
Circumference
12509761854.21
Area
1.2453408104185E+19
Volume
3.3059488574717E+28
Surface area
4.9813632416741E+19
Circumference
12509761854.21
Perimeter
7963961744
Area
3964042916243470096
Diagonal
2815685677.1463
Surface area
2.3784257497461E+19
Volume
7.8923715341343E+27
Space diagonal
3448496592.5357
Perimeter
5972971308
Area
1.7164809335793E+18
Altitude
1724248296.2679
Surface area
1.7164809335793E+18
Volume
9.3012490523834E+26
Height
938561892.38211