85508721 is an odd 8-digits composite number following 85508720
and preceding 85508722 . In scientific notation, it is written as 8.5508721 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 53460000 positive integers (up to 85508721) that are relatively prime to 85508721.
85508721 has 24 divisors, whose sum is 131327040
The reverse of 85508721 is 12780558
Previous prime number is 101
Is Prime? no Number parity odd Number length 8 Sum of Digits 36 Digital Root 9
Name
eighty-five million five hundred eight thousand seven hundred twenty-one
Scientific notation
8.5508721 × 10^7
Engineering notation
8.5508721 × 10^6
Prime Factorization
3 × 3 × 19 × 101 × 4951
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
28502907 Product of the distinct prime numbers
The prime factorization of 85508721 is 3 × 3 × 19 × 101 × 4951.
Since it has a total of 5 prime factors.
2 , 1 , 94 , 97 , 845 , 983 , 9921 , 4239 , 95504 , 21940 , 253701 , 430589 , 2308427 , 5377712 , 40883949 , 18441736 , 27243174 , 401661203 , 9753694644 , 9864952746
n×2
171017442
n×3
256526163
n×4
342034884
n×5
427543605
n÷2
42754360.5
n÷3
28502907
n÷3
21377180.25
n÷5
17101744.2
n2
7311741367055841
n3
6.2521765257974E+23
n4
5.3461561818716E+31
n5
4.5714297737808E+39
2 √n9247.0925701001
3 √n440.55838371207
4 √n96.161804112132
5 √n38.583540967895
1 , 3 , 9 , 19 , 57 , 101 , 171 , 303 , 909 , 1919 , 4951 , 5757 , 14853 , 17271 , 44559 , 94069 , 282207 , 500051 , 846621 , 1500153 , 4500459 , 9500969 , 28502907 , 85508721
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
-85508720 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 85508721 can be divided by 24 positive divisors.
The sum of these divisors (counting 85508721) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101000110001100001001110001
3
Ternary
12221220021220200
4
Quaternary
11012030021301
5
Quinary
133342234341
6
Senary
12252425413
8
Octal
506141161
10
Decimal
85508721
12
Duodecimal
24778269
16
Hexadecimal
518c271
20
Vigesimal
16e8bg1
36
Base36
1ewqy9
md5
397b69df3d39bc6596da753792547ab9
sha1
f3903e815c758ec3a287eda2a77b82263aa5d901
sha256
e422d55635a1dc22d4b7584ab65bed6b3460c679acef859d215bc228fda467bb
sha512
0f2fdeb5ec379a2d92ff9a55401359d92eabf921ccd7b1edb2d957367f61b8e68f134a3aedfce1833d82bef30ef0fb749c2dfe884192547aaf4cae9b9713ba61
ripemd-160
fb0f41822c608b5e288d31682a3142149ed80107
Diameter
171017442
Circumference
537267139.42292
Area
2.2970512963691E+16
Volume
2.6189055789855E+24
Surface area
9.1882051854765E+16
Circumference
537267139.42292
Perimeter
342034884
Area
7311741367055841
Diagonal
120927592.93938
Surface area
43870448202335046
Volume
6.2521765257974E+23
Space diagonal
148105449.26223
Perimeter
256526163
Area
3.166076884886E+15
Altitude
74052724.631116
Surface area
3.166076884886E+15
Volume
7.3682606976111E+22
Height
40309197.646459