81473977 is an odd 8-digits composite number following 81473976
and preceding 81473978 . In scientific notation, it is written as 8.1473977 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 75014400 positive integers (up to 81473977) that are relatively prime to 81473977.
81473977 has 8 divisors, whose sum is 87965640
The reverse of 81473977 is 77937418
Previous prime number is 401
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighty-one million four hundred seventy-three thousand nine hundred seventy-seven
Scientific notation
8.1473977 × 10^7
Engineering notation
8.1473977 × 10^6
Prime Factorization
13 × 401 × 15629
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81473977
Product of the distinct prime numbers
The prime factorization of 81473977 is 13 × 401 × 15629.
Since it has a total of 3 prime factors.
2 , 6 , 15 , 76 , 598 , 121 , 1656 , 2514 , 8447 , 23126 , 826126 , 633338 , 62380 , 4617528 , 76257072 , 34848688 , 329355833 , 478338521 , 1502339291 , 4245615808
n×2
162947954
n×3
244421931
n×4
325895908
n×5
407369885
n÷2
40736988.5
n÷3
27157992.333333
n÷3
20368494.25
n÷5
16294795.4
n2
6638008928196529
n3
5.4082498674168E+23
n4
4.4063162530817E+31
n5
3.590001090583E+39
2 √n
9026.2936468963
3 √n
433.51717242368
4 √n
95.006808423903
5 √n
38.212353191873
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
-81473976
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 81473977 can be divided by 8 positive divisors.
The sum of these divisors (counting 81473977) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110110011000110111001
3
Ternary
12200022022021201
4
Quaternary
10312303012321
5
Quinary
131324131402
6
Senary
12030134201
8
Octal
466630671
10
Decimal
81473977
12
Duodecimal
23351361
16
Hexadecimal
4db31b9
20
Vigesimal
15944ih
36
Base36
1ci9q1
md5
01e7169c04d69537d4f35d18302a2380
sha1
44405ba05ec2f2228d496dfc1ef6713c8776e254
sha256
a52244647469de8a95f2ab4de9f53b9a2afd885c1ed3b783ea4a6189de77a069
sha512
5570f8995732a82b008602dc8ff9acf584c8deebd22f98f3d89e770bc48107f8bd7513e3b8538c1df0dbd06cd6fc6776b6b272c1171b1e7e33ec302bab2b60ad
ripemd-160
a6fe0b45e17f5bf15d48f752fe9c0f0d19b4844e
Diameter
162947954
Circumference
511916095.20389
Area
2.0853920083286E+16
Volume
2.2654024069673E+24
Surface area
8.3415680333143E+16
Circumference
511916095.20389
Perimeter
325895908
Area
6638008928196529
Diagonal
115221603.25387
Surface area
39828053569179174
Volume
5.4082498674168E+23
Space diagonal
141117067.6587
Perimeter
244421931
Area
2.8743421811831E+15
Altitude
70558533.829349
Surface area
2.8743421811831E+15
Volume
6.3736835926694E+22
Height
38407201.084625