1990494811 is an odd 10-digits composite number following 1990494810
and preceding 1990494812 . In scientific notation, it is written as 1.990494811 × 10^9.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 1944204192 positive integers (up to 1990494811) that are relatively prime to 1990494811.
1990494811 has 4 divisors, whose sum is 2036785432
The reverse of 1990494811 is 1184940991
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 46
Digital Root 1
Name
one billion nine hundred ninety million four hundred ninety-four thousand eight hundred eleven
Scientific notation
1.990494811 × 10^9
Engineering notation
1.990494811 × 10^9
Prime Factorization
43 × 46290577
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1990494811
Product of the distinct prime numbers
The prime factorization of 1990494811 is 43 × 46290577.
Since it has a total of 2 prime factors.
10 , 5 , 39 , 46 , 676 , 322 , 2542 , 2604 , 36170 , 9654 , 401468 , 521455 , 6952773 , 7014342 , 95855875 , 60019275 , 410935270 , 107663375 , 2302296611 , 7402322942
n×2
3980989622
n×3
5971484433
n×4
7961979244
n×5
9952474055
n÷2
995247405.5
n÷3
663498270.33333
n÷3
497623702.75
n÷5
398098962.2
n2
3962069592617925721
n3
7.8864789649269E+27
n4
1.5697995456748E+37
n5
3.1246778499758E+46
2 √n
44614.961739309
3 √n
1257.9219148987
4 √n
211.22254079361
5 √n
72.408943350519
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990494810
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990494811 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990494811) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101001001000101001011011
3
Ternary
12010201110121120001
4
Quaternary
1312221020221123
5
Quinary
13034031313221
6
Senary
525303113431
8
Octal
16651105133
10
Decimal
1990494811
12
Duodecimal
476742877
16
Hexadecimal
76a48a5b
20
Vigesimal
1b20bh0b
36
Base36
wx37mj
md5
11187f229e3d6c806e3a7e8b7aff85e2
sha1
5135d01abe3801c16a414d35246fa762a6c03822
sha256
f9f97bd7b5e1bb79ad7b64570ff6d900b46412d4a0b03954e5620c73f8c39b8a
sha512
0c16f2b707a39e5225396ea276c44c59d60e71708612b3d89299085dd0acd784c46dc37f91c4cce99b3def21eed08d73262e64daee67e913630e72cc1c4eadd5
ripemd-160
e81648551ec4952ce37733fa679e31754fda55fe
Diameter
3980989622
Circumference
12506647750.492
Area
1.244720872518E+19
Volume
3.303480583854E+28
Surface area
4.978883490072E+19
Circumference
12506647750.492
Perimeter
7961979244
Area
3962069592617925721
Diagonal
2814984757.5495
Surface area
2.3772417555708E+19
Volume
7.8864789649269E+27
Space diagonal
3447638144.8542
Perimeter
5971484433
Area
1.7156264593845E+18
Altitude
1723819072.4271
Surface area
1.7156264593845E+18
Volume
9.2943045929748E+26
Height
938328252.51649