1990245841 is an odd 10-digits composite number following 1990245840
and preceding 1990245842 . In scientific notation, it is written as 1.990245841 × 10^9.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 1912090320 positive integers (up to 1990245841) that are relatively prime to 1990245841.
1990245841 has 8 divisors, whose sum is 2069919104
The reverse of 1990245841 is 1485420991
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 43
Digital Root 7
Name
one billion nine hundred ninety million two hundred forty-five thousand eight hundred forty-one
Scientific notation
1.990245841 × 10^9
Engineering notation
1.990245841 × 10^9
Prime Factorization
43 × 61 × 758767
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1990245841
Product of the distinct prime numbers
The prime factorization of 1990245841 is 43 × 61 × 758767.
Since it has a total of 3 prime factors.
1 , 2 , 40 , 19 , 716 , 925 , 8295 , 1557 , 22258 , 49742 , 278608 , 583046 , 2354193 , 1037018 , 60209736 , 94309393 , 243461837 , 287419749 , 8071284961 , 5370597773
n×2
3980491682
n×3
5970737523
n×4
7960983364
n×5
9951229205
n÷2
995122920.5
n÷3
663415280.33333
n÷3
497561460.25
n÷5
398049168.2
n2
3961078507617797281
n3
7.8835200256608E+27
n4
1.5690142943512E+37
n5
3.122724173802E+46
2 √n
44612.171444573
3 √n
1257.869465984
4 √n
211.21593558388
5 √n
72.407131885696
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
-1990245840
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 1990245841 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990245841) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101000001011110111010001
3
Ternary
12010200222222000221
4
Quaternary
1312220023313101
5
Quinary
13034000331331
6
Senary
525253513041
8
Octal
16650136721
10
Decimal
1990245841
12
Duodecimal
476642781
16
Hexadecimal
76a0bdd1
20
Vigesimal
1b1j0ec1
36
Base36
wwxvip
md5
a6c4f25066d9a20cf73b2704b53f0f34
sha1
551cf8658de66b69341c137559831278ddaa11e8
sha256
3ea459808b81846ac115faf293d1935ded6591952bd90a2c0dbbd27ad2e9724c
sha512
ef12c9b457805cb7ded1353910ed5bb668da11b08fc7443aa0e1f10c5a5a92966f089117ae132f75de51cd3bd54da71a47392c3c4ea86c1c8227abbf9a686510
ripemd-160
eeb7c2cfd70ade48f71cd69d8dab83b8b91f0bdd
Diameter
3980491682
Circumference
12505083425.846
Area
1.2444095139824E+19
Volume
3.3022411462725E+28
Surface area
4.9776380559298E+19
Circumference
12505083425.846
Perimeter
7960983364
Area
3961078507617797281
Diagonal
2814632660.7988
Surface area
2.3766471045707E+19
Volume
7.8835200256608E+27
Space diagonal
3447206916.1646
Perimeter
5970737523
Area
1.7151973069908E+18
Altitude
1723603458.0823
Surface area
1.7151973069908E+18
Volume
9.2908174496078E+26
Height
938210886.93295