81377608 is an even 8-digits composite number following 81377607
and preceding 81377609 . In scientific notation, it is written as 8.1377608 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 32 positive divisors.
There are 35581248 positive integers (up to 81377608) that are relatively prime to 81377608.
81377608 has 32 divisors, whose sum is 172972800
The reverse of 81377608 is 80677318
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million three hundred seventy-seven thousand six hundred eight
Scientific notation
8.1377608 × 10^7
Engineering notation
8.1377608 × 10^6
Prime Factorization
2 × 2 × 2 × 13 × 19 × 41183
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20344402
Product of the distinct prime numbers
The prime factorization of 81377608 is 2 × 2 × 2 × 13 × 19 × 41183.
Since it has a total of 6 prime factors.
10 , 3 , 83 , 95 , 882 , 557 , 7037 , 4282 , 71801 , 36426 , 649837 , 179117 , 804659 , 9825834 , 39096421 , 65624408 , 230370932 , 760769644 , 5760229108 , 2444673229
n×2
162755216
n×3
244132824
n×4
325510432
n×5
406888040
n÷2
40688804
n÷3
27125869.333333
n÷3
20344402
n÷5
16275521.6
n2
6622315083801664
n3
5.389081609421E+23
n4
4.3855057069147E+31
n5
3.5688196429907E+39
2 √n
9020.9538298342
3 √n
433.34618081567
4 √n
94.97870198015
5 √n
38.203309249441
1 , 2 , 4 , 8 , 13 , 19 , 26 , 38 , 52 , 76 , 104 , 152 , 247 , 494 , 988 , 1976 , 41183 , 82366 , 164732 , 329464 , 535379 , 782477 , 1070758 , 1564954 , 2141516 , 3129908 , 4283032 , 6259816 , 10172201 , 20344402 , 40688804 , 81377608
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81377607
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81377608 can be divided by 32 positive divisors.
The sum of these divisors (counting 81377608) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110011011100101001000
3
Ternary
12200010102002111
4
Quaternary
10312123211020
5
Quinary
131313040413
6
Senary
12024112104
8
Octal
466334510
10
Decimal
81377608
12
Duodecimal
23305634
16
Hexadecimal
4d9b948
20
Vigesimal
158c408
36
Base36
1cg7d4
md5
1cf57bc0f1baad427214177a9539a55f
sha1
68bcd3733d7f09ea079116c984e172ecbb37379e
sha256
bf4ad0f30a623b94ed30f875b66066da752d6b98f06e866a208d009481b2f6c0
sha512
4b158f3dbd46348effd0c8d2669d395c752ae6ab0d3c763542091cccf421b2279009a3433730d4dc75f52f7406948aced44b27e60373dae3dc0e42fbf7ee80a7
ripemd-160
e7901dba621030510deb9646022bbcd7c4d2b27a
Diameter
162755216
Circumference
511310590.91902
Area
2.0804616417028E+16
Volume
2.2573732258337E+24
Surface area
8.3218465668113E+16
Circumference
511310590.91902
Perimeter
325510432
Area
6622315083801664
Diagonal
115085316.90708
Surface area
39733890502809984
Volume
5.389081609421E+23
Space diagonal
140950151.65442
Perimeter
244132824
Area
2.8675465472186E+15
Altitude
70475075.827212
Surface area
2.8675465472186E+15
Volume
6.3510935839822E+22
Height
38361772.30236