861361940 is an even 9-digits composite number following 861361939
and preceding 861361941 . In scientific notation, it is written as 8.61361940 × 10^8.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 340992000 positive integers (up to 861361940) that are relatively prime to 861361940.
861361940 has 24 divisors, whose sum is 1827512232
The reverse of 861361940 is 049163168
Previous prime number is 97
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
eight hundred sixty-one million three hundred sixty-one thousand nine hundred forty
Scientific notation
8.61361940 × 10^8
Engineering notation
8.61361940 × 10^6
Prime Factorization
2 × 2 × 5 × 97 × 444001
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
430680970
Product of the distinct prime numbers
The prime factorization of 861361940 is 2 × 2 × 5 × 97 × 444001.
Since it has a total of 5 prime factors.
8 , 9 , 59 , 26 , 531 , 555 , 3536 , 5313 , 88010 , 10224 , 39981 , 258696 , 912376 , 7679803 , 51041524 , 91350957 , 694376566 , 977017567 , 7368905236 , 6990738491
n×2
1722723880
n×3
2584085820
n×4
3445447760
n×5
4306809700
n÷2
430680970
n÷3
287120646.66667
n÷3
215340485
n÷5
172272388
n2
741944391680563600
n3
6.3908266059009E+26
n4
5.5048148034624E+35
n5
4.7416379584511E+44
2 √n
29348.968295325
3 √n
951.47027735273
4 √n
171.3154058902
5 √n
61.240275479868
1 , 2 , 4 , 5 , 10 , 20 , 97 , 194 , 388 , 485 , 970 , 1940 , 444001 , 888002 , 1776004 , 2220005 , 4440010 , 8880020 , 43068097 , 86136194 , 172272388 , 215340485 , 430680970 , 861361940
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
-861361939
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 861361940 can be divided by 24 positive divisors.
The sum of these divisors (counting 861361940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110011010101110101011100010100
3
Ternary
2020000210201110002
4
Quaternary
303111311130110
5
Quinary
3231002040230
6
Senary
221245550432
8
Octal
6325653424
10
Decimal
861361940
12
Duodecimal
200575418
16
Hexadecimal
33575714
20
Vigesimal
d93a4h0
36
Base36
e8tz4k
md5
5ef57515b33aac02454ca26ab6e0213e
sha1
745afb564c1c865daf74a1df010b271539a99779
sha256
671262a17639475b693ba9c5ee1f0d35477f6c47546814ea3ef16f860eebf1ed
sha512
5bae01b259555890348fd5ff7ebc9ce9899351589232f1fa4d2caf12276ce231090105682edfaf86e638d9da3804956a064abaf795a142b0a481002ad60bb845
ripemd-160
cf5009e7073d157fab238686da70b5a7e6e70ff0
Diameter
1722723880
Circumference
5412096685.5717
Area
2.3308870502758E+18
Volume
2.6769831887286E+27
Surface area
9.3235482011032E+18
Circumference
5412096685.5717
Perimeter
3445447760
Area
741944391680563600
Diagonal
1218149737.66
Surface area
4451666350083381600
Volume
6.3908266059009E+26
Space diagonal
1491922643.7861
Perimeter
2584085820
Area
3.2127134569538E+17
Altitude
745961321.89305
Surface area
3.2127134569538E+17
Volume
7.5316613840332E+25
Height
406049912.55333