1990657980 is an even 10-digits composite number following 1990657979
and preceding 1990657981 . In scientific notation, it is written as 1.990657980 × 10^9.
The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors.
There are 530482176 positive integers (up to 1990657980) that are relatively prime to 1990657980.
1990657980 has 24 divisors, whose sum is 3563481264
The reverse of 1990657980 is 0897560991
Previous prime number is 2017
Is Prime? no
Number parity even
Number length 10
Sum of Digits 54
Digital Root 9
Name
one billion nine hundred ninety million six hundred fifty-seven thousand nine hundred eighty
Scientific notation
1.990657980 × 10^9
Engineering notation
1.990657980 × 10^9
Prime Factorization
2 × 2 × 45 × 2017 × 5483
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
995328990
Product of the distinct prime numbers
The prime factorization of 1990657980 is 2 × 2 × 45 × 2017 × 5483.
Since it has a total of 5 prime factors.
7 , 3 , 94 , 67 , 920 , 604 , 6121 , 5307 , 32133 , 69010 , 720464 , 98 , 340315 , 2896769 , 27762521 , 18108263 , 846772967 , 872536879 , 7177474617 , 2655682548
n×2
3981315960
n×3
5971973940
n×4
7962631920
n×5
9953289900
n÷2
995328990
n÷3
663552660
n÷3
497664495
n÷5
398131596
n2
3962719193337680400
n3
7.8884185847168E+27
n4
1.5703143405247E+37
n5
3.1259587730739E+46
2 √n
44616.790337271
3 √n
1257.9562862941
4 √n
211.22686935442
5 √n
72.410130443037
1 , 2 , 4 , 45 , 90 , 180 , 2017 , 4034 , 5483 , 8068 , 10966 , 21932 , 90765 , 181530 , 246735 , 363060 , 493470 , 986940 , 11059211 , 22118422 , 44236844 , 497664495 , 995328990 , 1990657980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990657979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990657980 can be divided by 24 positive divisors.
The sum of these divisors (counting 1990657980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110101001110000011110111100
3
Ternary
12010201202220101100
4
Quaternary
1312221300132330
5
Quinary
13034102023410
6
Senary
525310413100
8
Octal
16651603674
10
Decimal
1990657980
12
Duodecimal
476801190
16
Hexadecimal
76a707bc
20
Vigesimal
1b21c4j0
36
Base36
wx6pj0
md5
c9c3406ca6d36f9e9b2a4f100295427e
sha1
220d54f4556ab3b350287d172956e9f5c978b3de
sha256
479f1533630b88e1d15a16cdd3318fcd0ac6470c2683826d9a28aa2854e48aef
sha512
36a63dd7b6737ea4f2595c392a71c888d49cf165f4c4628ced666c981a89bbe71f246716eb0dda6ae750d1155e5c90ad058e78f43131ff6ad9aecbd8041891bb
ripemd-160
8d1f5f4d480fd1936f514898fe574f7bda5cb636
Diameter
3981315960
Circumference
12507672971.556
Area
1.2449249506029E+19
Volume
3.3042930498917E+28
Surface area
4.9796998024116E+19
Circumference
12507672971.556
Perimeter
7962631920
Area
3962719193337680400
Diagonal
2815215513.3622
Surface area
2.3776315160026E+19
Volume
7.8884185847168E+27
Space diagonal
3447920761.8524
Perimeter
5971973940
Area
1.7159077447473E+18
Altitude
1723960380.9262
Surface area
1.7159077447473E+18
Volume
9.2965904568187E+26
Height
938405171.12074