1990717691 is an odd 10-digits composite number following 1990717690
and preceding 1990717692 . In scientific notation, it is written as 1.990717691 × 10^9.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 1979145000 positive integers (up to 1990717691) that are relatively prime to 1990717691.
1990717691 has 8 divisors, whose sum is 2002311168
The reverse of 1990717691 is 1967170991
Previous prime number is 1031
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion nine hundred ninety million seven hundred seventeen thousand six hundred ninety-one
Scientific notation
1.990717691 × 10^9
Engineering notation
1.990717691 × 10^9
Prime Factorization
211 × 1031 × 9151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1990717691
Product of the distinct prime numbers
The prime factorization of 1990717691 is 211 × 1031 × 9151.
Since it has a total of 3 prime factors.
3 , 7 , 97 , 89 , 851 , 140 , 6888 , 3128 , 10980 , 54137 , 929123 , 666272 , 9409204 , 7940023 , 52653683 , 62299858 , 749140145 , 25593211 , 2777795419 , 7994861213
n×2
3981435382
n×3
5972153073
n×4
7962870764
n×5
9953588455
n÷2
995358845.5
n÷3
663572563.66667
n÷3
497679422.75
n÷5
398143538.2
n2
3962956925260371481
n3
7.8891284597868E+27
n4
1.5705027591469E+37
n5
3.1264276263981E+46
2 √n
44617.45948617
3 √n
1257.9688638903
4 √n
211.2284533063
5 √n
72.410564835029
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
-1990717690
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 1990717691 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990717691) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101001111111000011111011
3
Ternary
12010201212221021212
4
Quaternary
1312221333003323
5
Quinary
13034110431231
6
Senary
525311553335
8
Octal
16651770373
10
Decimal
1990717691
12
Duodecimal
47682b84b
16
Hexadecimal
76a7f0fb
20
Vigesimal
1b21je4b
36
Base36
wx7zln
md5
39b32404506dbed82271ffe280d1e066
sha1
14daa447b20bf23126630e310a1403a56cb59a31
sha256
cd2dc7d602dbfe7c8bbb35c0849c310d2a5e816dcf796ad6b64de00523a183b6
sha512
4efe146fe665f76f44884e0ea764e9938adad727e209ea80b1beacc3e9f81a8b1e782a9917fa5e1d1fa581d2c566b863211aa89e623ff563035a0306d4e134c0
ripemd-160
5be419a90255bdf619e7f17c9d9b41d254f2af0a
Diameter
3981435382
Circumference
12508048146.834
Area
1.2449996362891E+19
Volume
3.3045904016656E+28
Surface area
4.9799985451563E+19
Circumference
12508048146.834
Perimeter
7962870764
Area
3962956925260371481
Diagonal
2815299957.4683
Surface area
2.3777741551562E+19
Volume
7.8891284597868E+27
Space diagonal
3448024184.3382
Perimeter
5972153073
Area
1.7160106856895E+18
Altitude
1724012092.1691
Surface area
1.7160106856895E+18
Volume
9.2974270526117E+26
Height
938433319.15608