1680976978 is an even 10-digits composite number following 1680976977
and preceding 1680976979 . In scientific notation, it is written as 1.680976978 × 10^9.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 840488488 positive integers (up to 1680976978) that are relatively prime to 1680976978.
1680976978 has 4 divisors, whose sum is 2521465470
The reverse of 1680976978 is 8796790861
Previous prime number is 2
Is Prime? no Number parity even Number length 10 Sum of Digits 61 Digital Root 7
Name
one billion six hundred eighty million nine hundred seventy-six thousand nine hundred seventy-eight
Scientific notation
1.680976978 × 10^9
Engineering notation
1.680976978 × 10^9
Prime Factorization
2 × 840488489
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1680976978 Product of the distinct prime numbers
The prime factorization of 1680976978 is 2 × 840488489.
Since it has a total of 2 prime factors.
1 , 5 , 28 , 86 , 716 , 49 , 6244 , 625 , 4538 , 36757 , 228884 , 382605 , 744091 , 7276305 , 21179513 , 51198640 , 728326702 , 114307932 , 8119675334 , 5643741439
n×2
3361953956
n×3
5042930934
n×4
6723907912
n×5
8404884890
n÷2
840488489
n÷3
560325659.33333
n÷3
420244244.5
n÷5
336195395.6
n2
2825683600566012484
n3
4.7499090796636E+27
n4
7.9844878105077E+36
n5
1.3421740190585E+46
2 √n40999.719242941
3 √n1189.014785619
4 √n202.48387403184
5 √n70.002307036597
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
-1680976977 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 1680976978 can be divided by 4 positive divisors.
The sum of these divisors (counting 1680976978) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100100001100011010110001010010
3
Ternary
11100011001110220121
4
Quaternary
1210030122301102
5
Quinary
11420312230403
6
Senary
434445100454
8
Octal
14414326122
10
Decimal
1680976978
12
Duodecimal
3aab5772a
16
Hexadecimal
6431ac52
20
Vigesimal
1656228i
36
Base36
rst64y
md5
d7d5d2cac3febfe2f93a135658f7cc52
sha1
24b34ae17d5c67d96f794a1e7c553495655acaf2
sha256
21a9b9961f7c2bd779598fea79f5600a3f83f239dd8b150c634a7af5cae1be61
sha512
933bdb0d33c9ce30b8f5d7c3011d0e758b944057a23eae9b5fdfb12b593445f96337b0eeb2e23ed51f4096e5c102d592568ed004bab4c8cd49f654410af57bbd
ripemd-160
948d86e265ec13fb1f044ba5c2933fad9c83c9df
Diameter
3361953956
Circumference
10561889849.877
Area
8.8771468409073E+18
Volume
1.9896372626521E+28
Surface area
3.5508587363629E+19
Circumference
10561889849.877
Perimeter
6723907912
Area
2825683600566012484
Diagonal
2377260440.3245
Surface area
1.6954101603396E+19
Volume
4.7499090796636E+27
Space diagonal
2911537532.2496
Perimeter
5042930934
Area
1.2235568905736E+18
Altitude
1455768766.1248
Surface area
1.2235568905736E+18
Volume
5.5978215337495E+26
Height
792420146.77485