81125003 is an odd 8-digits composite number following 81125002
and preceding 81125004 . In scientific notation, it is written as 8.1125003 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors.
There are 72328896 positive integers (up to 81125003) that are relatively prime to 81125003.
81125003 has 12 divisors, whose sum is 90662760
The reverse of 81125003 is 30052118
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
eighty-one million one hundred twenty-five thousand three
Scientific notation
8.1125003 × 10^7
Engineering notation
8.1125003 × 10^6
Prime Factorization
17 × 19 × 19 × 13219
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4269737
Product of the distinct prime numbers
The prime factorization of 81125003 is 17 × 19 × 19 × 13219.
Since it has a total of 4 prime factors.
6 , 8 , 38 , 32 , 145 , 483 , 2265 , 8921 , 13408 , 59307 , 757992 , 935876 , 1529718 , 1962966 , 51410967 , 31698211 , 851787563 , 579752461 , 762739658 , 5758304518
n×2
162250006
n×3
243375009
n×4
324500012
n×5
405625015
n÷2
40562501.5
n÷3
27041667.666667
n÷3
20281250.75
n÷5
16225000.6
n2
6581266111750009
n3
5.3390523305952E+23
n4
4.3313063633669E+31
n5
3.5137724172206E+39
2 √n
9006.9419338641
3 √n
432.89733141417
4 √n
94.904909956567
5 √n
38.179562295386
1 , 17 , 19 , 323 , 361 , 6137 , 13219 , 224723 , 251161 , 4269737 , 4772059 , 81125003
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81125002
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81125003 can be divided by 12 positive divisors.
The sum of these divisors (counting 81125003) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110101011101111010001011
3
Ternary
12122122120120202
4
Quaternary
10311131322023
5
Quinary
131232000003
6
Senary
12014442415
8
Octal
465357213
10
Decimal
81125003
12
Duodecimal
2320340b
16
Hexadecimal
4d5de8b
20
Vigesimal
1570ca3
36
Base36
1casgb
md5
b38486ba20892e0a59e5bacf653b3353
sha1
4f1129311e00fcf619355c171210e0bfec21d964
sha256
97e96ffe48a268c35caa4f06cd26d5964a0c06b096d97b4a75ad613386b0fc22
sha512
c152edde10e0b1dc76ff3940e483434da39924fa31fc2837ce2da485f5e4235f37cca36b45366ea4d8b6b6fbde869e873451f2d082888f4dc077a02bbbb711b8
ripemd-160
55b84f301ddb6c01e751547a9e487eab946bdc4d
Diameter
162250006
Circumference
509723426.8945
Area
2.0675657267993E+16
Volume
2.2364170105239E+24
Surface area
8.2702629071973E+16
Circumference
509723426.8945
Perimeter
324500012
Area
6581266111750009
Diagonal
114728079.49016
Surface area
39487596670500054
Volume
5.3390523305952E+23
Space diagonal
140512626.96018
Perimeter
243375009
Area
2.8497718209206E+15
Altitude
70256313.480089
Surface area
2.8497718209206E+15
Volume
6.2921335134562E+22
Height
38242693.163386