861363978 is an even 9-digits composite number following 861363977
and preceding 861363979 . In scientific notation, it is written as 8.61363978 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 287121324 positive integers (up to 861363978) that are relatively prime to 861363978.
861363978 has 8 divisors, whose sum is 1722727968
The reverse of 861363978 is 879363168
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 51
Digital Root 6
Name
eight hundred sixty-one million three hundred sixty-three thousand nine hundred seventy-eight
Scientific notation
8.61363978 × 10^8
Engineering notation
8.61363978 × 10^6
Prime Factorization
2 × 3 × 143560663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
861363978
Product of the distinct prime numbers
The prime factorization of 861363978 is 2 × 3 × 143560663.
Since it has a total of 3 prime factors.
6 , 10 , 7 , 45 , 577 , 777 , 2672 , 4310 , 97324 , 75552 , 465163 , 670044 , 2593563 , 8974924 , 54460348 , 75594786 , 257550315 , 146196739 , 155049785 , 7478776682
n×2
1722727956
n×3
2584091934
n×4
3445455912
n×5
4306819890
n÷2
430681989
n÷3
287121326
n÷3
215340994.5
n÷5
172272795.6
n2
741947902595984484
n3
6.3908719684883E+26
n4
5.5048669016658E+35
n5
4.7416940527794E+44
2 √n
29349.003015435
3 √n
951.47102775153
4 √n
171.31550722405
5 √n
61.24030445899
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
-861363977
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 861363978 can be divided by 8 positive divisors.
The sum of these divisors (counting 861363978) is 1, the average is 0.125.
Base
System
Value
2
Binary
110011010101110101111100001010
3
Ternary
2020000210211020120
4
Quaternary
303111311330022
5
Quinary
3231002121403
6
Senary
221250004110
8
Octal
6325657412
10
Decimal
861363978
12
Duodecimal
200576636
16
Hexadecimal
33575f0a
20
Vigesimal
d93a9ii
36
Base36
e8u0p6
md5
f950fdaaaa987f322569f5f30ae9b2fb
sha1
aa646293cc05a6902394cb484ce549e882803ff0
sha256
6e5582b770b95f384a9244c38a398de51f19bdff477499bae00f86e434020272
sha512
969f50329d8bc963bb8cd8f628a91ae5eb50ee3f882f43364db673b257a93e009e4e2d5d694bc3b4d6e749d751f97f1b44087cf3a9a10419f77abf774e273fa9
ripemd-160
8a7bf60db8384d2ffb90b76390a1e5d6d9fc12ca
Diameter
1722727956
Circumference
5412109490.7034
Area
2.3308980801419E+18
Volume
2.6770021901648E+27
Surface area
9.3235923205676E+18
Circumference
5412109490.7034
Perimeter
3445455912
Area
741947902595984484
Diagonal
1218152619.8272
Surface area
4451687415575906904
Volume
6.3908719684883E+26
Space diagonal
1491926173.7056
Perimeter
2584091934
Area
3.2127286596635E+17
Altitude
745963086.85282
Surface area
3.2127286596635E+17
Volume
7.5317148443552E+25
Height
406050873.27575