1990296487 is an odd 10-digits composite number following 1990296486
and preceding 1990296488 . In scientific notation, it is written as 1.990296487 × 10^9.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 1986242440 positive integers (up to 1990296487) that are relatively prime to 1990296487.
1990296487 has 4 divisors, whose sum is 1994350536
The reverse of 1990296487 is 7846920991
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion nine hundred ninety million two hundred ninety-six thousand four hundred eighty-seven
Scientific notation
1.990296487 × 10^9
Engineering notation
1.990296487 × 10^9
Prime Factorization
491 × 4053557
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1990296487
Product of the distinct prime numbers
The prime factorization of 1990296487 is 491 × 4053557.
Since it has a total of 2 prime factors.
2 , 5 , 85 , 57 , 346 , 639 , 9167 , 356 , 84675 , 20655 , 176881 , 546237 , 9818333 , 231266 , 72984654 , 68495145 , 434784977 , 9619309 , 6668755594 , 5583332660
n×2
3980592974
n×3
5970889461
n×4
7961185948
n×5
9951482435
n÷2
995148243.5
n÷3
663432162.33333
n÷3
497574121.75
n÷5
398059297.4
n2
3961280106164541169
n3
7.8841218793223E+27
n4
1.5691740079495E+37
n5
3.1231215155136E+46
2 √n
44612.739066325
3 √n
1257.8801356067
4 √n
211.21727927971
5 √n
72.40750039236
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
-1990296486
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 1990296487 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990296487) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101000011000001110100111
3
Ternary
12010201002112111201
4
Quaternary
1312220120032213
5
Quinary
13034003441422
6
Senary
525254543331
8
Octal
16650301647
10
Decimal
1990296487
12
Duodecimal
476667b47
16
Hexadecimal
76a183a7
20
Vigesimal
1b1j7147
36
Base36
wwyylj
md5
a779e3883838e4915b86e6d9bf1a38cc
sha1
72e5a7a2647773933aee06d8b22c9dca697ea4bf
sha256
b7bb6663063a31f9f4b0b6880989a6f6d4391d14720408ea095f5786d950bc9d
sha512
b41b94fe3b124c5f58071d0f7078e945c32e37f71d681338a0fe724e9e9117336ed1d9ad1a2b108c96c6cfbd431d49d2f073c30a7aa063e7073f38ff4f6785a4
ripemd-160
695fcd5748ad9f3aa245dbfd9aff8f38485a25ea
Diameter
3980592974
Circumference
12505401644.05
Area
1.2444728480338E+19
Volume
3.3024932501447E+28
Surface area
4.9778913921352E+19
Circumference
12505401644.05
Perimeter
7961185948
Area
3961280106164541169
Diagonal
2814704285.0589
Surface area
2.3767680636987E+19
Volume
7.8841218793223E+27
Space diagonal
3447294637.6098
Perimeter
5970889461
Area
1.7152846017222E+18
Altitude
1723647318.8049
Surface area
1.7152846017222E+18
Volume
9.29152674095E+26
Height
938234761.68631