1990253645 is an odd 10-digits composite number following 1990253644
and preceding 1990253646 . In scientific notation, it is written as 1.990253645 × 10^9.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 1591687504 positive integers (up to 1990253645) that are relatively prime to 1990253645.
1990253645 has 8 divisors, whose sum is 2389077504
The reverse of 1990253645 is 5463520991
Previous prime number is 3167
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion nine hundred ninety million two hundred fifty-three thousand six hundred forty-five
Scientific notation
1.990253645 × 10^9
Engineering notation
1.990253645 × 10^9
Prime Factorization
5 × 3167 × 125687
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1990253645
Product of the distinct prime numbers
The prime factorization of 1990253645 is 5 × 3167 × 125687.
Since it has a total of 3 prime factors.
6 , 2 , 57 , 72 , 626 , 239 , 2840 , 8406 , 85768 , 20876 , 531787 , 888103 , 8792312 , 8754938 , 89315134 , 70933185 , 487413262 , 471582913 , 4509203548 , 8181043474
n×2
3980507290
n×3
5970760935
n×4
7961014580
n×5
9951268225
n÷2
995126822.5
n÷3
663417881.66667
n÷3
497563411.25
n÷5
398050729
n2
3961109571435786025
n3
7.8836127627945E+27
n4
1.569038903692E+37
n5
3.1227853972198E+46
2 √n
44612.258909407
3 √n
1257.8711100691
4 √n
211.21614263452
5 √n
72.40718866907
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
-1990253644
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 1990253645 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990253645) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101000001101110001001101
3
Ternary
12010201000100201222
4
Quaternary
1312220031301031
5
Quinary
13034001104040
6
Senary
525254013125
8
Octal
16650156115
10
Decimal
1990253645
12
Duodecimal
4766471a5
16
Hexadecimal
76a0dc4d
20
Vigesimal
1b1j1e25
36
Base36
wwy1jh
md5
a87105dc7b172b650efc1ef0ff6d238e
sha1
33223efbaae2203fed947e9f8aeb700d86f29da6
sha256
7fe68f3919f5e199245328ed34ccff8d3a793562550ecccacb0fb50a239c2d18
sha512
09787ab685723fd764a0c27a7e087ed4c85c465a31051300eaafe2fddae07edef3a661c2c891ab2338c6e682ecf7ebf0f5e232d84d3f980f8127dab9762d5ed9
ripemd-160
4e66e57ba05891370a6699f741c8958ad154add5
Diameter
3980507290
Circumference
12505132459.825
Area
1.2444192729687E+19
Volume
3.3022799919122E+28
Surface area
4.9776770918748E+19
Circumference
12505132459.825
Perimeter
7961014580
Area
3961109571435786025
Diagonal
2814643697.3215
Surface area
2.3766657428615E+19
Volume
7.8836127627945E+27
Space diagonal
3447220433.0892
Perimeter
5970760935
Area
1.7152107580185E+18
Altitude
1723610216.5446
Surface area
1.7152107580185E+18
Volume
9.290926741368E+26
Height
938214565.77383