1990446761 is an odd 10-digits prime number following 1990446760
and preceding 1990446762 . In scientific notation, it is written as 1.990446761 × 10^9.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 1990446760 positive integers (up to 1990446761) that are relatively prime to 1990446761.
1990446761 has 2 divisors, whose sum is 1990446762
The reverse of 1990446761 is 1676440991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion nine hundred ninety million four hundred forty-six thousand seven hundred sixty-one
Scientific notation
1.990446761 × 10^9
Engineering notation
1.990446761 × 10^9
Prime Factorization
1990446761
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1990446761
Product of the distinct prime numbers
The prime factorization of 1990446761 is 1990446761.
Since it has a total of 1 prime factors.
10 , 4 , 81 , 21 , 895 , 715 , 6057 , 664 , 90411 , 16433 , 611528 , 515581 , 8419817 , 7404368 , 99053836 , 49128478 , 943546718 , 946264587 , 9761951238 , 650490477
n×2
3980893522
n×3
5971340283
n×4
7961787044
n×5
9952233805
n÷2
995223380.5
n÷3
663482253.66667
n÷3
497611690.25
n÷5
398089352.2
n2
3961878308375391121
n3
7.885907846382E+27
n4
1.5696479730375E+37
n5
3.1243007238428E+46
2 √n
44614.423239576
3 √n
1257.9117928537
4 √n
211.22126606849
5 √n
72.408593760728
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1990446762
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
995223381
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
44614.423250783
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999989952
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990446761 can be divided by 2 positive divisors.
The sum of these divisors (counting 1990446761) is 1990446762, the average is 995223381.
Base
System
Value
2
Binary
1110110101000111100111010101001
3
Ternary
12010201101011122102
4
Quaternary
1312220330322221
5
Quinary
13034023244021
6
Senary
525302103145
8
Octal
16650747251
10
Decimal
1990446761
12
Duodecimal
47671aab5
16
Hexadecimal
76a3cea9
20
Vigesimal
1b205gi1
36
Base36
wx26jt
md5
3d8f290a44c0b644a6a1174d93fb84b5
sha1
df48f88a42bb88b2887354c371922a29e1559884
sha256
c97c6e9fc7caf58ed512f6af785159df22f3d0c9acbe10c576b55a86561e33f9
sha512
c423dee9cea98692b14fbdefd6de2e37f9a48cb3e5fabe3b31a10c918ca33d9e04560bf176dbe20b72f9f88ab1046e9e9c7a6bd271ee6fe6b5d6fefb0f94d872
ripemd-160
59bf7b6b61453cd270cc973a331e097c04143f74
Diameter
3980893522
Circumference
12506345843.438
Area
1.2446607788009E+19
Volume
3.3032413542773E+28
Surface area
4.9786431152036E+19
Circumference
12506345843.438
Perimeter
7961787044
Area
3961878308375391121
Diagonal
2814916804.5878
Surface area
2.3771269850252E+19
Volume
7.885907846382E+27
Space diagonal
3447554919.8129
Perimeter
5971340283
Area
1.7155436308778E+18
Altitude
1723777459.9065
Surface area
1.7155436308778E+18
Volume
9.2936315233148E+26
Height
938305601.52927