1990390057 is an odd 10-digits composite number following 1990390056
and preceding 1990390058 . In scientific notation, it is written as 1.990390057 × 10^9.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 1989187200 positive integers (up to 1990390057) that are relatively prime to 1990390057.
1990390057 has 4 divisors, whose sum is 1991592916
The reverse of 1990390057 is 7500930991
Previous prime number is 1657
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 43
Digital Root 7
Name
one billion nine hundred ninety million three hundred ninety thousand fifty-seven
Scientific notation
1.990390057 × 10^9
Engineering notation
1.990390057 × 10^9
Prime Factorization
1657 × 1201201
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1990390057
Product of the distinct prime numbers
The prime factorization of 1990390057 is 1657 × 1201201.
Since it has a total of 2 prime factors.
4 , 2 , 48 , 44 , 425 , 55 , 1014 , 2742 , 6804 , 29404 , 332561 , 494451 , 8711003 , 3915130 , 6122829 , 57871114 , 12745546 , 540680551 , 1499867561 , 908463660
n×2
3980780114
n×3
5971170171
n×4
7961560228
n×5
9951950285
n÷2
995195028.5
n÷3
663463352.33333
n÷3
497597514.25
n÷5
398078011.4
n2
3961652579004463249
n3
7.8852339025389E+27
n4
1.5694691156733E+37
n5
3.1238557226047E+46
2 √n
44613.787745494
3 √n
1257.8998475777
4 √n
211.21976173051
5 √n
72.408181199712
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
-1990390056
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 1990390057 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990390057) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101000101111000100101001
3
Ternary
12010201021021212021
4
Quaternary
1312220233010221
5
Quinary
13034014440212
6
Senary
525300544441
8
Octal
16650570451
10
Decimal
1990390057
12
Duodecimal
4766b2121
16
Hexadecimal
76a2f129
20
Vigesimal
1b1jif2h
36
Base36
wx0ysp
md5
a1570a58cffcd2243365e81b24b4fecb
sha1
58bead55d3f168090556e4cd8e0e1fe14b3e64a5
sha256
8ba3daf70f409b7aea5dfee6412bee34e351ce1aab53ff865c78db23b5605a8c
sha512
c229c4f002bfbe6adc52ba315cb23e80808ef8d3a06fdbb2900b388e4772e6032cfc6b420b352c016885e9f0e2e348698c42c4829dfbeb6c17e1e1473966e8e3
ripemd-160
9af9e2f2cf46f396d4c22256e7af5f979f51ae14
Diameter
3980780114
Circumference
12505989561.699
Area
1.2445898638275E+19
Volume
3.3029590533404E+28
Surface area
4.9783594553102E+19
Circumference
12505989561.699
Perimeter
7961560228
Area
3961652579004463249
Diagonal
2814836613.022
Surface area
2.3769915474027E+19
Volume
7.8852339025389E+27
Space diagonal
3447456705.6039
Perimeter
5971170171
Area
1.715445887193E+18
Altitude
1723728352.802
Surface area
1.715445887193E+18
Volume
9.2928372728789E+26
Height
938278871.00732