81532007 is an odd 8-digits composite number following 81532006
and preceding 81532008 . In scientific notation, it is written as 8.1532007 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 81487896 positive integers (up to 81532007) that are relatively prime to 81532007.
81532007 has 4 divisors, whose sum is 81576120
The reverse of 81532007 is 70023518
Previous prime number is 1933
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million five hundred thirty-two thousand seven
Scientific notation
8.1532007 × 10^7
Engineering notation
8.1532007 × 10^6
Prime Factorization
1933 × 42179
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81532007
Product of the distinct prime numbers
The prime factorization of 81532007 is 1933 × 42179.
Since it has a total of 2 prime factors.
8 , 2 , 59 , 19 , 912 , 377 , 9931 , 2133 , 44954 , 92480 , 451928 , 454487 , 4059931 , 7217857 , 23111769 , 28549292 , 371793327 , 591028186 , 2125593715 , 6589282107
n×2
163064014
n×3
244596021
n×4
326128028
n×5
407660035
n÷2
40766003.5
n÷3
27177335.666667
n÷3
20383001.75
n÷5
16306401.4
n2
6647468165448049
n3
5.4198142099759E+23
n4
4.4188833010645E+31
n5
3.6028042423458E+39
2 √n
9029.5075723984
3 √n
433.62007248288
4 √n
95.023721103724
5 √n
38.217795006426
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81532006
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81532007 can be divided by 4 positive divisors.
The sum of these divisors (counting 81532007) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111000001010001100111
3
Ternary
12200102020212222
4
Quaternary
10313001101213
5
Quinary
131333011012
6
Senary
12031302555
8
Octal
467012147
10
Decimal
81532007
12
Duodecimal
2337aa5b
16
Hexadecimal
4dc1467
20
Vigesimal
159ba07
36
Base36
1cjihz
md5
9fdd712c71919d3e0f6cd2e2b902e698
sha1
19ff1da3db238b3f1196c10a7125537dd140431e
sha256
6fb3e11241be086813e76e5f5cc0063e9fe876262727807fa4bba858130b9bb2
sha512
8c5cbcec2f0beaa5286b93456a39f7e9b391b0001a5258f556ef6665804cfecc70d36bb14c4726c18669915852fbcc30395d08ed78ddd8752b88c7081bff61a1
ripemd-160
87f6a6d3ae9d220ec140374483893b482b8034d3
Diameter
163064014
Circumference
512280708.44726
Area
2.0883637153544E+16
Volume
2.2702464674509E+24
Surface area
8.3534548614174E+16
Circumference
512280708.44726
Perimeter
326128028
Area
6647468165448049
Diagonal
115303670.0669
Surface area
39884808992688294
Volume
5.4198142099759E+23
Space diagonal
141217578.56706
Perimeter
244596021
Area
2.8784381510632E+15
Altitude
70608789.283531
Surface area
2.8784381510632E+15
Volume
6.3873123010753E+22
Height
38434556.688966