85707921 is an odd 8-digits composite number following 85707920
and preceding 85707922 . In scientific notation, it is written as 8.5707921 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 52656576 positive integers (up to 85707921) that are relatively prime to 85707921.
85707921 has 16 divisors, whose sum is 123270336
The reverse of 85707921 is 12970758
Previous prime number is 773
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-five million seven hundred seven thousand nine hundred twenty-one
Scientific notation
8.5707921 × 10^7
Engineering notation
8.5707921 × 10^6
Prime Factorization
3 × 13 × 773 × 2843
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
85707921
Product of the distinct prime numbers
The prime factorization of 85707921 is 3 × 13 × 773 × 2843.
Since it has a total of 4 prime factors.
8 , 8 , 33 , 11 , 386 , 772 , 8212 , 7380 , 4370 , 56657 , 675782 , 294590 , 4694806 , 3248082 , 28061639 , 53949776 , 47605353 , 922372113 , 4175294526 , 8891375771
n×2
171415842
n×3
257123763
n×4
342831684
n×5
428539605
n÷2
42853960.5
n÷3
28569307
n÷3
21426980.25
n÷5
17141584.2
n2
7345847722142241
n3
6.295973362474E+23
n4
5.3961478756902E+31
n5
4.6249261583398E+39
2 √n
9257.8572574867
3 √n
440.90022475271
4 √n
96.217759574243
5 √n
38.601500982572
1 , 3 , 13 , 39 , 773 , 2319 , 2843 , 8529 , 10049 , 30147 , 36959 , 110877 , 2197639 , 6592917 , 28569307 , 85707921
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
-85707920
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 85707921 can be divided by 16 positive divisors.
The sum of these divisors (counting 85707921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000110111100110010010001
3
Ternary
12222021102011110
4
Quaternary
11012330302101
5
Quinary
133420123141
6
Senary
12301003533
8
Octal
506746221
10
Decimal
85707921
12
Duodecimal
248535a9
16
Hexadecimal
51bcc91
20
Vigesimal
16fd9g1
36
Base36
1f10nl
md5
c92e544c10342b25a75e60a066ed86ed
sha1
33c6b3ecea82294dc103525eb8bc3447f39ca75e
sha256
7056aca840e4438f26a44f20bbc41684a21403ee62fd1318f2b94331fcc87b6e
sha512
0710052ec3a40db2b812eee17e5e5fa4cca80133f0b7e53f2ebdc11ad5d7591a9ff69b9c0be9d565513366340b135b9a74bbd5acc05d6c3e92f98a4d6be6924d
ripemd-160
84d589d5f95486d49df993f797b1d2c01b62d660
Diameter
171415842
Circumference
538518749.93611
Area
2.3077661238271E+16
Volume
2.6372511550327E+24
Surface area
9.2310644953086E+16
Circumference
538518749.93611
Perimeter
342831684
Area
7345847722142241
Diagonal
121209304.281
Surface area
44075086332853446
Volume
6.295973362474E+23
Space diagonal
148450473.7831
Perimeter
257123763
Area
3.1808453698536E+15
Altitude
74225236.89155
Surface area
3.1808453698536E+15
Volume
7.4198757646254E+22
Height
40403101.427001