85212909 is an odd 8-digits composite number following 85212908
and preceding 85212910 . In scientific notation, it is written as 8.5212909 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 56766600 positive integers (up to 85212909) that are relatively prime to 85212909.
85212909 has 12 divisors, whose sum is 123176352
The reverse of 85212909 is 90921258
Previous prime number is 5171
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-five million two hundred twelve thousand nine hundred nine
Scientific notation
8.5212909 × 10^7
Engineering notation
8.5212909 × 10^6
Prime Factorization
3 × 3 × 5171 × 1831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28404303
Product of the distinct prime numbers
The prime factorization of 85212909 is 3 × 3 × 5171 × 1831.
Since it has a total of 4 prime factors.
7 , 1 , 48 , 89 , 897 , 761 , 8677 , 7493 , 29943 , 30039 , 639615 , 919554 , 4695292 , 4755423 , 89241576 , 8202419 , 689529004 , 319615353 , 457257324 , 7031199814
n×2
170425818
n×3
255638727
n×4
340851636
n×5
426064545
n÷2
42606454.5
n÷3
28404303
n÷3
21303227.25
n÷5
17042581.8
n2
7261239860242281
n3
6.18751371438E+23
n4
5.2725604307971E+31
n5
4.4929021218652E+39
2 √n
9231.083847523
3 √n
440.04976881942
4 √n
96.078529586599
5 √n
38.556808487686
1 , 3 , 9 , 1831 , 5171 , 5493 , 15513 , 16479 , 46539 , 9468101 , 28404303 , 85212909
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-85212908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 85212909 can be divided by 12 positive divisors.
The sum of these divisors (counting 85212909) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101000101000011111011101101
3
Ternary
12221100021010200
4
Quaternary
11011003323231
5
Quinary
133303303114
6
Senary
12242224113
8
Octal
505037355
10
Decimal
85212909
12
Duodecimal
24655039
16
Hexadecimal
5143eed
20
Vigesimal
16cbc59
36
Base36
1eqep9
md5
4c6d29671106b03a4456e7ea416127e1
sha1
b34b37c3c6b11927cb2b3400d4962e7ac68f7bd6
sha256
2add663cf023eeb45858cad5de7267569f78a04faaa1e1f7763db2054bf5bdc0
sha512
9f0604babdd79cc6e26bc1ba81dac6829b3e659050a9c9b1f3b019a0a199d0485f3b271419354c6769631da8dd26f3957563982995f174ac27a5379578718a15
ripemd-160
cb1934d207e06d068b7213b4a10140e5e35e9563
Diameter
170425818
Circumference
535408497.81083
Area
2.2811857800891E+16
Volume
2.5918196838776E+24
Surface area
9.1247431203562E+16
Circumference
535408497.81083
Perimeter
340851636
Area
7261239860242281
Diagonal
120509251.59706
Surface area
43567439161453686
Volume
6.18751371438E+23
Space diagonal
147593087.84874
Perimeter
255638727
Area
3.144209090971E+15
Altitude
73796543.924372
Surface area
3.144209090971E+15
Volume
7.2920548435381E+22
Height
40169750.532355