1978889742 is an even 10-digits composite number following 1978889741
and preceding 1978889743 . In scientific notation, it is written as 1.978889742 × 10^9.
The sum of its digits is 63. It has a total of 4 prime factors and 12 positive divisors.
There are 659629908 positive integers (up to 1978889742) that are relatively prime to 1978889742.
1978889742 has 12 divisors, whose sum is 4287594480
The reverse of 1978889742 is 2479888791
Previous prime number is 3
Is Prime? no Number parity even Number length 10 Sum of Digits 63 Digital Root 9
Name
one billion nine hundred seventy-eight million eight hundred eighty-nine thousand seven hundred forty-two
Scientific notation
1.978889742 × 10^9
Engineering notation
1.978889742 × 10^9
Prime Factorization
2 × 3 × 3 × 109938319
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
659629914 Product of the distinct prime numbers
The prime factorization of 1978889742 is 2 × 3 × 3 × 109938319.
Since it has a total of 4 prime factors.
9 , 2 , 3 , 54 , 170 , 208 , 1996 , 2656 , 10207 , 37535 , 962809 , 349272 , 9364446 , 8168387 , 56753189 , 34954969 , 873921652 , 719632187 , 9282623455 , 3381454337
n×2
3957779484
n×3
5936669226
n×4
7915558968
n×5
9894448710
n÷2
989444871
n÷3
659629914
n÷3
494722435.5
n÷5
395777948.4
n2
3916004610992826564
n3
7.7493413543184E+27
n4
1.5335092113317E+37
n5
3.0346456475668E+46
2 √n44484.713576688
3 √n1255.4724848576
4 √n210.91399568708
5 √n72.324313403328
1 , 2 , 3 , 6 , 9 , 18 , 109938319 , 219876638 , 329814957 , 659629914 , 989444871 , 1978889742
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1978889741 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1978889742 can be divided by 12 positive divisors.
The sum of these divisors (counting 1978889742) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110101111100110111011000001110
3
Ternary
12002220122000101200
4
Quaternary
1311330313120032
5
Quinary
13023043432432
6
Senary
524210250330
8
Octal
16574673016
10
Decimal
1978889742
12
Duodecimal
4728869a6
16
Hexadecimal
75f3760e
20
Vigesimal
1ai81472
36
Base36
wq6h3i
md5
743566100d8132dc7fd56943c6fff290
sha1
900ff0df859bd268585b62e5ad3a7bdee2a0f8fb
sha256
cb75f906a814e27343e25a8ddc858ecece84674e11a54d54e5eb20733ea61e80
sha512
0344c40f8f8eb440ffe1eb537f33b9c25b37d17a1c898b02554c5543ed641917cdd544a1b979a351df6326aa2ae2ddcd8fd8752cbd2ce918323a823e9cc731d8
ripemd-160
b02735014c4fe38b014de246ee2297027218d8f7
Diameter
3957779484
Circumference
12433730951.463
Area
1.2302491317319E+19
Volume
3.2460365158515E+28
Surface area
4.9209965269275E+19
Circumference
12433730951.463
Perimeter
7915558968
Area
3916004610992826564
Diagonal
2798572711.5774
Surface area
2.3496027665957E+19
Volume
7.7493413543184E+27
Space diagonal
3427537575.7209
Perimeter
5936669226
Area
1.6956797372284E+18
Altitude
1713768787.8604
Surface area
1.6956797372284E+18
Volume
9.1326863689465E+26
Height
932857570.5258