68571840 is an even 8-digits composite number following 68571839
and preceding 68571841 . In scientific notation, it is written as 6.8571840 × 10^7.
The sum of its digits is 39. It has a total of 8 prime factors and 28 positive divisors.
There are 18285568 positive integers (up to 68571840) that are relatively prime to 68571840.
68571840 has 28 divisors, whose sum is 145145760
The reverse of 68571840 is 04817586
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-eight million five hundred seventy-one thousand eight hundred forty
Scientific notation
6.8571840 × 10^7
Engineering notation
6.8571840 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 15 × 71429
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
2142870
Product of the distinct prime numbers
The prime factorization of 68571840 is 2 × 2 × 2 × 2 × 2 × 2 × 15 × 71429.
Since it has a total of 8 prime factors.
4 , 4 , 44 , 78 , 597 , 848 , 8789 , 3822 , 67769 , 19583 , 675857 , 697770 , 199231 , 6867759 , 79602838 , 72375038 , 652002493 , 403851257 , 1116914384 , 6515014315
n×2
137143680
n×3
205715520
n×4
274287360
n×5
342859200
n÷2
34285920
n÷3
22857280
n÷3
17142960
n÷5
13714368
n2
4702097240985600
n3
3.2243145967331E+23
n4
2.2109718463684E+31
n5
1.5161040769368E+39
2 √n
8280.8115544311
3 √n
409.30646184717
4 √n
90.998964578896
5 √n
36.917234534329
1 , 2 , 4 , 8 , 15 , 16 , 30 , 32 , 60 , 64 , 120 , 240 , 480 , 960 , 71429 , 142858 , 285716 , 571432 , 1071435 , 1142864 , 2142870 , 2285728 , 4285740 , 4571456 , 8571480 , 17142960 , 34285920 , 68571840
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68571839
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68571840 can be divided by 28 positive divisors.
The sum of these divisors (counting 68571840) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100000101100101001011000000
3
Ternary
11210000210212210
4
Quaternary
10011211023000
5
Quinary
120023244330
6
Senary
10445422120
8
Octal
405451300
10
Decimal
68571840
12
Duodecimal
1ab6a940
16
Hexadecimal
41652c0
20
Vigesimal
118b9c0
36
Base36
14tqdc
md5
2d61dcf2bdd773b6e221349939d19049
sha1
4e3673648bd0a9277a06797dfcc7d01f453abbeb
sha256
4ca89c42c4ce353eb08fe5bccf21241a94170a0d400a35098501b3321420b6d7
sha512
33c034b0338320d5e8d7454dea78976aba8bf2349402a759bcd0d49310b2d748aced35cda6083ea5f8d7c522a0aa50dfd253ca6d4f1b4fdac1de80849a0bedbc
ripemd-160
f2cb8d6c8e3dc9b6bcf734fc5dde77d245f352ac
Diameter
137143680
Circumference
430849577.57427
Area
1.4772074148745E+16
Volume
1.3505977399945E+24
Surface area
5.9088296594981E+16
Circumference
430849577.57427
Perimeter
274287360
Area
4702097240985600
Diagonal
96975226.124878
Surface area
28212583445913600
Volume
3.2243145967331E+23
Space diagonal
118769910.84848
Perimeter
205715520
Area
2.0360678308791E+15
Altitude
59384955.424242
Surface area
2.0360678308791E+15
Volume
3.7998911933812E+22
Height
32325075.374959