1990471142 is an even 10-digits composite number following 1990471141
and preceding 1990471143 . In scientific notation, it is written as 1.990471142 × 10^9.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 904759600 positive integers (up to 1990471142) that are relatively prime to 1990471142.
1990471142 has 8 divisors, whose sum is 3257134632
The reverse of 1990471142 is 2411740991
Previous prime number is 11
Is Prime? no
Number parity even
Number length 10
Sum of Digits 38
Digital Root 2
Name
one billion nine hundred ninety million four hundred seventy-one thousand one hundred forty-two
Scientific notation
1.990471142 × 10^9
Engineering notation
1.990471142 × 10^9
Prime Factorization
2 × 11 × 90475961
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1990471142
Product of the distinct prime numbers
The prime factorization of 1990471142 is 2 × 11 × 90475961.
Since it has a total of 3 prime factors.
3 , 1 , 83 , 65 , 661 , 350 , 6560 , 4131 , 95415 , 87123 , 245297 , 596407 , 3912052 , 1173334 , 66544644 , 10571938 , 440235035 , 660350270 , 1135520298 , 8618819917
n×2
3980942284
n×3
5971413426
n×4
7961884568
n×5
9952355710
n÷2
995235571
n÷3
663490380.66667
n÷3
497617785.5
n÷5
398094228.4
n2
3961975367134784164
n3
7.8861976335966E+27
n4
1.5697248809783E+37
n5
3.1244920764667E+46
2 √n
44614.696479972
3 √n
1257.9169288903
4 √n
211.22191287831
5 √n
72.40877114656
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
-1990471141
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 1990471142 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990471142) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101001000010110111100110
3
Ternary
12010201102102002102
4
Quaternary
1312221002313212
5
Quinary
13034030034032
6
Senary
525302412102
8
Octal
16651026746
10
Decimal
1990471142
12
Duodecimal
476731032
16
Hexadecimal
76a42de6
20
Vigesimal
1b208hh2
36
Base36
wx2pd2
md5
a532a2e0cc83d4899f49b2bc685dedd9
sha1
1fcd7999ca5228f8e490b05886ccc604f0fed6da
sha256
01332710581605872aa79400de9207ae2e536e2c8a795eb500de3565eed17274
sha512
1ee8c83ef6c8de26b571abd0db7a07665b582af53a66fdfbc44a96bcbc6c367dc78c894a83dc4cf8c06580f04a630bc6484d413a56aba2277190d063b2ba6089
ripemd-160
26738d15159a60774fb48f201bbd09cbccd16523
Diameter
3980942284
Circumference
12506499033.779
Area
1.2446912707094E+19
Volume
3.3033627400619E+28
Surface area
4.9787650828377E+19
Circumference
12506499033.779
Perimeter
7961884568
Area
3961975367134784164
Diagonal
2814951284.5287
Surface area
2.3771852202809E+19
Volume
7.8861976335966E+27
Space diagonal
3447597148.9436
Perimeter
5971413426
Area
1.7155856585535E+18
Altitude
1723798574.4718
Surface area
1.7155856585535E+18
Volume
9.2939730408225E+26
Height
938317094.84289