81377900 is an even 8-digits composite number following 81377899
and preceding 81377901 . In scientific notation, it is written as 8.1377900 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 32136000 positive integers (up to 81377900) that are relatively prime to 81377900.
81377900 has 24 divisors, whose sum is 149997120
The reverse of 81377900 is 00977318
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million three hundred seventy-seven thousand nine hundred
Scientific notation
8.1377900 × 10^7
Engineering notation
8.1377900 × 10^6
Prime Factorization
2 × 2 × 25 × 79 × 10301
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40688950
Product of the distinct prime numbers
The prime factorization of 81377900 is 2 × 2 × 25 × 79 × 10301.
Since it has a total of 5 prime factors.
8 , 7 , 100 , 69 , 112 , 168 , 1527 , 7163 , 44193 , 64434 , 285441 , 702422 , 173863 , 2899697 , 91102697 , 2282368 , 977920476 , 403553948 , 8339113178 , 2710269592
n×2
162755800
n×3
244133700
n×4
325511600
n×5
406889500
n÷2
40688950
n÷3
27125966.666667
n÷3
20344475
n÷5
16275580
n2
6622362608410000
n3
5.3891396211093E+23
n4
4.3855686517267E+31
n5
3.5688836718335E+39
2 √n
9020.970014361
3 √n
433.34669912752
4 √n
94.978787180933
5 √n
38.203336665706
1 , 2 , 4 , 25 , 50 , 79 , 100 , 158 , 316 , 1975 , 3950 , 7900 , 10301 , 20602 , 41204 , 257525 , 515050 , 813779 , 1030100 , 1627558 , 3255116 , 20344475 , 40688950 , 81377900
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81377899
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81377900 can be divided by 24 positive divisors.
The sum of these divisors (counting 81377900) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110011011101001101100
3
Ternary
12200010102111022
4
Quaternary
10312123221230
5
Quinary
131313043100
6
Senary
12024113312
8
Octal
466335154
10
Decimal
81377900
12
Duodecimal
23305838
16
Hexadecimal
4d9ba6c
20
Vigesimal
158c4f0
36
Base36
1cg7l8
md5
13e9e0f578143e6495cda7b60d1e3af5
sha1
168aacb86ccc3fdcff0c7e7ff083c834cd74a3c2
sha256
626eb8cb308f37b5ed2f9e23012b2581915f7f01eaacefad5d910c52dd3834f3
sha512
397a14c0148b9b15cd254fc7adab37d99acebe29b90aeaebbe22d091750f3e176b31d3d471dd49d0beb265dce5cd60fb7b598d113780979c6858731c39f39b20
ripemd-160
593058b260513da87bd7eb399b70c91e24a60460
Diameter
162755800
Circumference
511312425.60913
Area
2.0804765719989E+16
Volume
2.2573975257129E+24
Surface area
8.3219062879954E+16
Circumference
511312425.60913
Perimeter
325511600
Area
6622362608410000
Diagonal
115085729.85744
Surface area
39734175650460000
Volume
5.3891396211093E+23
Space diagonal
140950657.41326
Perimeter
244133700
Area
2.8675671259776E+15
Altitude
70475328.70663
Surface area
2.8675671259776E+15
Volume
6.3511619514125E+22
Height
38361909.952481