80644987 is an odd 8-digits composite number following 80644986
and preceding 80644988 . In scientific notation, it is written as 8.0644987 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 76400496 positive integers (up to 80644987) that are relatively prime to 80644987.
80644987 has 4 divisors, whose sum is 84889480
The reverse of 80644987 is 78944608
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighty million six hundred forty-four thousand nine hundred eighty-seven
Scientific notation
8.0644987 × 10^7
Engineering notation
8.0644987 × 10^6
Prime Factorization
19 × 4244473
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
80644987
Product of the distinct prime numbers
The prime factorization of 80644987 is 19 × 4244473.
Since it has a total of 2 prime factors.
10 , 2 , 17 , 94 , 963 , 896 , 4500 , 1451 , 53848 , 66069 , 128510 , 257380 , 2539499 , 257105 , 15880390 , 89845009 , 387542620 , 797678609 , 6782311109 , 1545065013
n×2
161289974
n×3
241934961
n×4
322579948
n×5
403224935
n÷2
40322493.5
n÷3
26881662.333333
n÷3
20161246.75
n÷5
16128997.4
n2
6503613928230169
n3
5.2448386069514E+23
n4
4.2296994127469E+31
n5
3.4110405415489E+39
2 √n
8980.255397259
3 √n
432.04182515428
4 √n
94.764209474142
5 √n
38.134273344895
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
-80644986
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 80644987 can be divided by 4 positive divisors.
The sum of these divisors (counting 80644987) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110011101000101101111011
3
Ternary
12121202012010101
4
Quaternary
10303220231323
5
Quinary
131121114422
6
Senary
12000300231
8
Octal
463505573
10
Decimal
80644987
12
Duodecimal
23011677
16
Hexadecimal
4ce8b7b
20
Vigesimal
1540c97
36
Base36
1c0i2j
md5
85847496fb3e2600cc8b81735784b100
sha1
fe9f9247d6db2fe1a26a1eb7ff86d4b14c0488cb
sha256
cc6613b488b220b539680a97a51a6518c212fb64bf6a6779cfd93a271dda76dc
sha512
ddaaa9173eac57782d8d77b71c77a49140b5ba8ec9ccfc1d6b3d58ae71ac44eb25fc5b465b9682fd807987eb3a218d4620d4566cfa17d970d97b5e6cc505d6d7
ripemd-160
89aa35d18de4f83993702558d0ecf38319d9ed45
Diameter
161289974
Circumference
506707397.41609
Area
2.0431705738712E+16
Volume
2.1969528582484E+24
Surface area
8.1726822954849E+16
Circumference
506707397.41609
Perimeter
322579948
Area
6503613928230169
Diagonal
114049234.3528
Surface area
39021683569381014
Volume
5.2448386069514E+23
Space diagonal
139681214.85973
Perimeter
241934961
Area
2.8161474391268E+15
Altitude
69840607.429866
Surface area
2.8161474391268E+15
Volume
6.1811015753406E+22
Height
38016411.450934