1990494812 is an even 10-digits composite number following 1990494811
and preceding 1990494813 . In scientific notation, it is written as 1.990494812 × 10^9.
The sum of its digits is 47. It has a total of 5 prime factors and 24 positive divisors.
There are 989614080 positive integers (up to 1990494812) that are relatively prime to 1990494812.
1990494812 has 24 divisors, whose sum is 3503134320
The reverse of 1990494812 is 2184940991
Previous prime number is 709
Is Prime? no Number parity even Number length 10 Sum of Digits 47 Digital Root 2
Name
one billion nine hundred ninety million four hundred ninety-four thousand eight hundred twelve
Scientific notation
1.990494812 × 10^9
Engineering notation
1.990494812 × 10^9
Prime Factorization
2 × 2 × 257 × 709 × 2731
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
995247406 Product of the distinct prime numbers
The prime factorization of 1990494812 is 2 × 2 × 257 × 709 × 2731.
Since it has a total of 5 prime factors.
7 , 7 , 16 , 39 , 164 , 353 , 5191 , 1365 , 20919 , 80550 , 226470 , 221476 , 7784314 , 1665139 , 34837700 , 45438597 , 245869548 , 461251948 , 1203375043 , 2106790480
n×2
3980989624
n×3
5971484436
n×4
7961979248
n×5
9952474060
n÷2
995247406
n÷3
663498270.66667
n÷3
497623703
n÷5
398098962.4
n2
3962069596598915344
n3
7.8864789768131E+27
n4
1.5697995488293E+37
n5
3.1246778578248E+46
2 √n44614.961750516
3 √n1257.9219151094
4 √n211.22254082014
5 √n72.408943357794
1 , 2 , 4 , 257 , 514 , 709 , 1028 , 1418 , 2731 , 2836 , 5462 , 10924 , 182213 , 364426 , 701867 , 728852 , 1403734 , 1936279 , 2807468 , 3872558 , 7745116 , 497623703 , 995247406 , 1990494812
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1990494811 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990494812 can be divided by 24 positive divisors.
The sum of these divisors (counting 1990494812) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110101001001000101001011100
3
Ternary
12010201110121120002
4
Quaternary
1312221020221130
5
Quinary
13034031313222
6
Senary
525303113432
8
Octal
16651105134
10
Decimal
1990494812
12
Duodecimal
476742878
16
Hexadecimal
76a48a5c
20
Vigesimal
1b20bh0c
36
Base36
wx37mk
md5
25efeb163cd76c7d113fa9b6054a871b
sha1
c510de488381ff8d932aaa06746fcef5d2bfc63d
sha256
f98d8d06308a72059cf2724bb98394f1aa67781d02786dcd8345602847bc8552
sha512
e52c0512024e6f41f756a044d1f140123fb5922d38cd1b8f5dd0524e20a8f5f7fa187b6d7bba6410a90fcb2fb136329171f03e42a8c52baac5b027ace038f2f8
ripemd-160
399309a0adb4603a530db17a6e5b2fd839cb22ef
Diameter
3980989624
Circumference
12506647756.776
Area
1.2447208737687E+19
Volume
3.3034805888328E+28
Surface area
4.9788834950747E+19
Circumference
12506647756.776
Perimeter
7961979248
Area
3962069596598915344
Diagonal
2814984758.9637
Surface area
2.3772417579593E+19
Volume
7.8864789768131E+27
Space diagonal
3447638146.5863
Perimeter
5971484436
Area
1.7156264611083E+18
Altitude
1723819073.2931
Surface area
1.7156264611083E+18
Volume
9.2943046069828E+26
Height
938328252.98789