80811961 is an odd 8-digits composite number following 80811960
and preceding 80811962 . In scientific notation, it is written as 8.0811961 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 79554048 positive integers (up to 80811961) that are relatively prime to 80811961.
80811961 has 8 divisors, whose sum is 82078920
The reverse of 80811961 is 16911808
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty million eight hundred eleven thousand nine hundred sixty-one
Scientific notation
8.0811961 × 10^7
Engineering notation
8.0811961 × 10^6
Prime Factorization
197 × 97 × 4229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80811961
Product of the distinct prime numbers
The prime factorization of 80811961 is 197 × 97 × 4229.
Since it has a total of 3 prime factors.
7 , 10 , 24 , 77 , 484 , 437 , 655 , 6510 , 79327 , 99979 , 11696 , 843205 , 420224 , 3281756 , 23997516 , 1870489 , 27932042 , 891024372 , 4328588062 , 2011678454
n×2
161623922
n×3
242435883
n×4
323247844
n×5
404059805
n÷2
40405980.5
n÷3
26937320.333333
n÷3
20202990.25
n÷5
16162392.2
n2
6530573040665521
n3
5.2774841386991E+23
n4
4.2648384239467E+31
n5
3.4464995638728E+39
2 √n
8989.54731897
3 √n
432.33979788458
4 √n
94.813223333931
5 √n
38.150051548784
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80811960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80811961 can be divided by 8 positive divisors.
The sum of these divisors (counting 80811961) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110100010001011110111001
3
Ternary
12122001200011121
4
Quaternary
10310101132321
5
Quinary
131141440321
6
Senary
12004025241
8
Octal
464213671
10
Decimal
80811961
12
Duodecimal
23092221
16
Hexadecimal
4d117b9
20
Vigesimal
15519i1
36
Base36
1c42wp
md5
d8a59c52bf83a4bb14ce4837e0421df7
sha1
aa395b7dd6a4d30914c73dce1e7f9a4a999608dc
sha256
9b106ff1f23d8a1b955c0c9cb05e6a441c3ee59d109a89770a2a5b98a9771ceb
sha512
12876e76cb691e822682c3a059ff7d63b751be6fa6530a2bbf3e985785e5b31c26410aa644beac362d23075370761cedc4f984163d61edd331ba3533a4eb9bc1
ripemd-160
523652d4e24051f63e80f5eccba3e4e4e81fc90d
Diameter
161623922
Circumference
507756525.99957
Area
2.0516400288286E+16
Volume
2.2106273866098E+24
Surface area
8.2065601153145E+16
Circumference
507756525.99957
Perimeter
323247844
Area
6530573040665521
Diagonal
114285371.24817
Surface area
39183438243993126
Volume
5.2774841386991E+23
Space diagonal
139970422.31127
Perimeter
242435883
Area
2.8278210772431E+15
Altitude
69985211.155637
Surface area
2.8278210772431E+15
Volume
6.2195747034643E+22
Height
38095123.749389