81237101 is an odd 8-digits composite number following 81237100
and preceding 81237102 . In scientific notation, it is written as 8.1237101 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 68428800 positive integers (up to 81237101) that are relatively prime to 81237101.
81237101 has 16 divisors, whose sum is 90483648
The reverse of 81237101 is 10173218
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
eighty-one million two hundred thirty-seven thousand one hundred one
Scientific notation
8.1237101 × 10^7
Engineering notation
8.1237101 × 10^6
Prime Factorization
187 × 11 × 73 × 541
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81237101
Product of the distinct prime numbers
The prime factorization of 81237101 is 187 × 11 × 73 × 541.
Since it has a total of 4 prime factors.
1 , 4 , 38 , 92 , 986 , 943 , 9545 , 2461 , 46013 , 58518 , 894457 , 609109 , 6107118 , 3637355 , 17083721 , 2987018 , 547994089 , 781819351 , 6661548114 , 5262418939
n×2
162474202
n×3
243711303
n×4
324948404
n×5
406185505
n÷2
40618550.5
n÷3
27079033.666667
n÷3
20309275.25
n÷5
16247420.2
n2
6599466578884201
n3
5.3612153301494E+23
n4
4.355295912581E+31
n5
3.5381161393523E+39
2 √n
9013.1626524767
3 √n
433.09663121493
4 √n
94.93767772848
5 √n
38.190107722385
1 , 11 , 73 , 187 , 541 , 803 , 2057 , 5951 , 13651 , 39493 , 101167 , 150161 , 434423 , 1112837 , 7385191 , 81237101
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81237100
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81237101 can be divided by 16 positive divisors.
The sum of these divisors (counting 81237101) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101111001010001101101
3
Ternary
12122212021100112
4
Quaternary
10311321101231
5
Quinary
131244041401
6
Senary
12021105405
8
Octal
465712155
10
Decimal
81237101
12
Duodecimal
23258265
16
Hexadecimal
4d7946d
20
Vigesimal
157ecf1
36
Base36
1cd6y5
md5
277f3b5af439e0cf163dc6b3af4c906c
sha1
68dea066404d557fe8d3a8e25c25f10e669af239
sha256
36bf164032e778d1ed86a5c933f8466c6333b92105d7d58b49a9e9aa4987ff62
sha512
e4352d79f42140b59214b638e770c1e20918f11d32e639dae1dd70503054956f4eea60e863ed1c12dd25b5cb43a0172ac537f34415b6aa4aa391932a9f53f594
ripemd-160
ed531a42e84e20d911baee26c33e9448303c409c
Diameter
162474202
Circumference
510427759.40106
Area
2.0732835721834E+16
Volume
2.245700626068E+24
Surface area
8.2931342887336E+16
Circumference
510427759.40106
Perimeter
324948404
Area
6599466578884201
Diagonal
114886610.00207
Surface area
39596799473305206
Volume
5.3612153301494E+23
Space diagonal
140706786.3916
Perimeter
243711303
Area
2.85765285437E+15
Altitude
70353393.195802
Surface area
2.85765285437E+15
Volume
6.3182528589165E+22
Height
38295536.667358