81877072 is an even 8-digits composite number following 81877071
and preceding 81877073 . In scientific notation, it is written as 8.1877072 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 10 positive divisors.
There are 40938528 positive integers (up to 81877072) that are relatively prime to 81877072.
81877072 has 10 divisors, whose sum is 158636858
The reverse of 81877072 is 27077818
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million eight hundred seventy-seven thousand seventy-two
Scientific notation
8.1877072 × 10^7
Engineering notation
8.1877072 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5117317
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10234634
Product of the distinct prime numbers
The prime factorization of 81877072 is 2 × 2 × 2 × 2 × 5117317.
Since it has a total of 5 prime factors.
10 , 6 , 71 , 38 , 752 , 411 , 4257 , 5669 , 26786 , 21153 , 21851 , 662711 , 5889959 , 3567839 , 64302252 , 83447807 , 461932436 , 783756740 , 3905601531 , 2459991682
n×2
163754144
n×3
245631216
n×4
327508288
n×5
409385360
n÷2
40938536
n÷3
27292357.333333
n÷3
20469268
n÷5
16375414.4
n2
6703854919293184
n3
5.4889201190452E+23
n4
4.4941670778931E+31
n5
3.6796924141669E+39
2 √n
9048.5950290639
3 √n
434.23094308277
4 √n
95.124103302286
5 √n
38.250089941974
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81877071
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81877072 can be divided by 10 positive divisors.
The sum of these divisors (counting 81877072) is 1, the average is 0.1.
Base
System
Value
2
Binary
100111000010101100001010000
3
Ternary
12201001210020011
4
Quaternary
10320111201100
5
Quinary
131430031242
6
Senary
12042524304
8
Octal
470254120
10
Decimal
81877072
12
Duodecimal
23506694
16
Hexadecimal
4e15850
20
Vigesimal
15becdc
36
Base36
1cqwr4
md5
09e0fab0a6abd87bb10b50e8c94f7f06
sha1
1b12d97a23b933d887b95d4d660a1c51625cf822
sha256
f68a22d31b2348e33622fc6b8460a7926c22942be507a47f9b4d84d5faea7092
sha512
924b52fa2df6ab1932ca6be4178ae1445c3204293976e181610cccede25030da90cad38b4977c592ad099fa13be26b2842d3254c4c158eba97d723250b2c5e39
ripemd-160
9178c9a0e4faf36b9ea018e65a540a5b0e1b3eab
Diameter
163754144
Circumference
514448815.78529
Area
2.1060781365183E+16
Volume
2.2991934829512E+24
Surface area
8.4243125460733E+16
Circumference
514448815.78529
Perimeter
327508288
Area
6703854919293184
Diagonal
115791665.6698
Surface area
40223129515759104
Volume
5.4889201190452E+23
Space diagonal
141815248.67898
Perimeter
245631216
Area
2.9028543316966E+15
Altitude
70907624.339488
Surface area
2.9028543316966E+15
Volume
6.4687543959469E+22
Height
38597221.889933