81489077 is an odd 8-digits prime number following 81489076
and preceding 81489078 . In scientific notation, it is written as 8.1489077 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 81489076 positive integers (up to 81489077) that are relatively prime to 81489077.
81489077 has 2 divisors, whose sum is 81489078
The reverse of 81489077 is 77098418
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty-one million four hundred eighty-nine thousand seventy-seven
Scientific notation
8.1489077 × 10^7
Engineering notation
8.1489077 × 10^6
Prime Factorization
81489077
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81489077
Product of the distinct prime numbers
The prime factorization of 81489077 is 81489077.
Since it has a total of 1 prime factors.
5 , 1 , 62 , 71 , 619 , 358 , 6274 , 5895 , 47590 , 52811 , 777058 , 401184 , 3090639 , 4988070 , 76511055 , 95248562 , 570259428 , 445991669 , 5714918058 , 2842571110
n×2
162978154
n×3
244467231
n×4
325956308
n×5
407445385
n÷2
40744538.5
n÷3
27163025.666667
n÷3
20372269.25
n÷5
16297815.4
n2
6640469670311929
n3
5.4112574428021E+23
n4
4.4095837442333E+31
n5
3.5933290927177E+39
2 √n
9027.1300533448
3 √n
433.543952774
4 √n
95.01121014567
5 √n
38.213769506096
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81489078
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40744539
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9027.1301087333
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999754568
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81489077 can be divided by 2 positive divisors.
The sum of these divisors (counting 81489077) is 81489078, the average is 40744539.
Base
System
Value
2
Binary
100110110110110110010110101
3
Ternary
12200100001222222
4
Quaternary
10312312302311
5
Quinary
131330122302
6
Senary
12030332125
8
Octal
466666265
10
Decimal
81489077
12
Duodecimal
2335a045
16
Hexadecimal
4db6cb5
20
Vigesimal
15962dh
36
Base36
1cildh
md5
a6dae7b18fa798b66fdfec55d50eedea
sha1
06481fc023c5d320bbfb091f990b0c01a8b3eab2
sha256
b2d76ff2821fe7834665a5c1602db95b56a2c216e36768ac7f83a742d6e2dc68
sha512
cf01441e18d84a95961c7b03bda2ff96de80b10952e6f53fb0056d3e6c61812cb0c29a772509a2a10ae34fc0e67b0b08f07481d0c995740a5520b8983a9314f2
ripemd-160
847db360c91145b1bd8e6a603e4db32d3d2536b5
Diameter
162978154
Circumference
512010971.30203
Area
2.0861650732638E+16
Volume
2.2666622171987E+24
Surface area
8.3446602930551E+16
Circumference
512010971.30203
Perimeter
325956308
Area
6640469670311929
Diagonal
115242957.87867
Surface area
39842818021871574
Volume
5.4112574428021E+23
Space diagonal
141143221.62589
Perimeter
244467231
Area
2.8754077137751E+15
Altitude
70571610.812946
Surface area
2.8754077137751E+15
Volume
6.3772280542526E+22
Height
38414319.292888