668366978 is an even 9-digits composite number following 668366977
and preceding 668366979 . In scientific notation, it is written as 6.68366978 × 10^8.
The sum of its digits is 59. It has a total of 4 prime factors and 16 positive divisors.
There are 324570480 positive integers (up to 668366978) that are relatively prime to 668366978.
668366978 has 16 divisors, whose sum is 1031716224
The reverse of 668366978 is 879663866
Previous prime number is 131
Is Prime? no
Number parity even
Number length 9
Sum of Digits 59
Digital Root 5
Name
six hundred sixty-eight million three hundred sixty-six thousand nine hundred seventy-eight
Scientific notation
6.68366978 × 10^8
Engineering notation
6.68366978 × 10^6
Prime Factorization
2 × 47 × 131 × 54277
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668366978
Product of the distinct prime numbers
The prime factorization of 668366978 is 2 × 47 × 131 × 54277.
Since it has a total of 4 prime factors.
4 , 10 , 23 , 5 , 464 , 818 , 8135 , 1015 , 96305 , 18877 , 238517 , 100408 , 9455943 , 8139003 , 55326599 , 33719940 , 147372735 , 272199893 , 402436352 , 5863145170
n×2
1336733956
n×3
2005100934
n×4
2673467912
n×5
3341834890
n÷2
334183489
n÷3
222788992.66667
n÷3
167091744.5
n÷5
133673395.6
n2
446714417280852484
n3
2.9856916510703E+26
n4
1.9955377060657E+35
n5
1.3337515060882E+44
2 √n
25852.794394417
3 √n
874.32251361872
4 √n
160.78804182655
5 √n
58.210723467465
1 , 2 , 47 , 94 , 131 , 262 , 6157 , 12314 , 54277 , 108554 , 2551019 , 5102038 , 7110287 , 14220574 , 334183489 , 668366978
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668366977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668366978 can be divided by 16 positive divisors.
The sum of these divisors (counting 668366978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110101100111100010000010
3
Ternary
1201120122120010112
4
Quaternary
213311213202002
5
Quinary
2332100220403
6
Senary
150153231322
8
Octal
4765474202
10
Decimal
668366978
12
Duodecimal
167a02542
16
Hexadecimal
27d67882
20
Vigesimal
a8h5h8i
36
Base36
b1xf9e
md5
606f712eeade6b6ef7a981428d773c6d
sha1
5ce746af8096a34d3f45c37071eb7f6d6f96e546
sha256
b5a53879df054eaf68d12360352b1286eeba98d0492cdd77ceea6e9f50bfdf4e
sha512
854d4ce32e27fd7f1642121ab0b838c26016222fc02d2ec1d801a238fc76467339cff3c9745ac12f72215030fec7c1c974c91e338dc341b017b56506735726be
ripemd-160
90a87575a1ca232caf11de15653dfe34b2e5d819
Diameter
1336733956
Circumference
4199473575.9736
Area
1.4033947315822E+18
Volume
1.2506435942516E+27
Surface area
5.6135789263287E+18
Circumference
4199473575.9736
Perimeter
2673467912
Area
446714417280852484
Diagonal
945213644.92992
Surface area
2680286503685114904
Volume
2.9856916510703E+26
Space diagonal
1157645563.9973
Perimeter
2005100934
Area
1.9343301680099E+17
Altitude
578822781.99863
Surface area
1.9343301680099E+17
Volume
3.5186713550065E+25
Height
315071214.97664