81573397 is an odd 8-digits prime number following 81573396
and preceding 81573398 . In scientific notation, it is written as 8.1573397 × 10^7.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 81573396 positive integers (up to 81573397) that are relatively prime to 81573397.
81573397 has 2 divisors, whose sum is 81573398
The reverse of 81573397 is 79337518
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 43 Digital Root 7
Name
eighty-one million five hundred seventy-three thousand three hundred ninety-seven
Scientific notation
8.1573397 × 10^7
Engineering notation
8.1573397 × 10^6
Prime Factorization
81573397
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
81573397 Product of the distinct prime numbers
The prime factorization of 81573397 is 81573397.
Since it has a total of 1 prime factors.
2 , 10 , 52 , 36 , 231 , 949 , 5826 , 5540 , 32655 , 21542 , 735104 , 214565 , 886266 , 1572173 , 66528460 , 15147851 , 848895363 , 558478022 , 5568940080 , 9313728300
n×2
163146794
n×3
244720191
n×4
326293588
n×5
407866985
n÷2
40786698.5
n÷3
27191132.333333
n÷3
20393349.25
n÷5
16314679.4
n2
6654219098119609
n3
5.4280725621589E+23
n4
4.427863180578E+31
n5
3.6119584109097E+39
2 √n9031.7992116743
3 √n433.69343630352
4 √n95.035778587195
5 √n38.221674497394
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
81573398 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
40786699 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
9031.7992670342 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999754822 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81573397 can be divided by 2 positive divisors.
The sum of these divisors (counting 81573397) is 81573398, the average is 40786699.
Base
System
Value
2
Binary
100110111001011011000010101
3
Ternary
12200111100122221
4
Quaternary
10313023120111
5
Quinary
131340322042
6
Senary
12032222341
8
Octal
467133025
10
Decimal
81573397
12
Duodecimal
2339a9b1
16
Hexadecimal
4dcb615
20
Vigesimal
159gd9h
36
Base36
1ckefp
md5
6f96bc672efee7f0a8329f79e83f513d
sha1
c5d395504b8c020fe20cc3cbc32040ed773bc702
sha256
c495d9af5bf2755f9ea9f0737c42ab4be2d175228ce0ade348ce25f1de086181
sha512
84d624d315393b826d8d553bfa6b139c9a09c593f4490e4f48e00b61ce806bb6aa4cfadfb47fc3355961e59c2dd2385a155b235212f9561f09b08c8188c659b5
ripemd-160
2d7516687f509cebea97b4fadbdddcb0b5c6ea02
Diameter
163146794
Circumference
512540769.48713
Area
2.0904845834029E+16
Volume
2.2737057179241E+24
Surface area
8.3619383336118E+16
Circumference
512540769.48713
Perimeter
326293588
Area
6654219098119609
Diagonal
115362204.36624
Surface area
39925314588717654
Volume
5.4280725621589E+23
Space diagonal
141289268.14999
Perimeter
244720191
Area
2.8813613906596E+15
Altitude
70644634.074993
Surface area
2.8813613906596E+15
Volume
6.3970448624587E+22
Height
38454068.122082