71649249 is an odd 8-digits composite number following 71649248
and preceding 71649250 . In scientific notation, it is written as 7.1649249 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 40896720 positive integers (up to 71649249) that are relatively prime to 71649249.
71649249 has 8 divisors, whose sum is 75144960
The reverse of 71649249 is 94294617
Previous prime number is 2371
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-one million six hundred forty-nine thousand two hundred forty-nine
Scientific notation
7.1649249 × 10^7
Engineering notation
7.1649249 × 10^6
Prime Factorization
21 × 2371 × 1439
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71649249
Product of the distinct prime numbers
The prime factorization of 71649249 is 21 × 2371 × 1439.
Since it has a total of 3 prime factors.
4 , 7 , 57 , 88 , 551 , 807 , 9590 , 7709 , 23448 , 20662 , 537915 , 229282 , 667781 , 3219371 , 85974022 , 79342667 , 488706448 , 603538032 , 1194384277 , 7167593969
n×2
143298498
n×3
214947747
n×4
286596996
n×5
358246245
n÷2
35824624.5
n÷3
23883083
n÷3
17912312.25
n÷5
14329849.8
n2
5133614882264001
n3
3.6781965096944E+23
n4
2.6354001759402E+31
n5
1.8882444342059E+39
2 √n
8464.5879403548
3 √n
415.34011697799
4 √n
92.003195272527
5 √n
37.242800319652
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
-71649248
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 71649249 can be divided by 8 positive divisors.
The sum of these divisors (counting 71649249) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010001010100011111100001
3
Ternary
11222211011021220
4
Quaternary
10101110133201
5
Quinary
121320233444
6
Senary
11035405253
8
Octal
421243741
10
Decimal
71649249
12
Duodecimal
1bbb3829
16
Hexadecimal
44547e1
20
Vigesimal
127g329
36
Base36
16nowx
md5
7cc04ddc01514507826a602293997c35
sha1
fdcb1ffc81e4520ec98592133622aed52055be21
sha256
524c2dcea94eee855611ce90b7bbf658a0183de27ada03498ed3451e5abf0446
sha512
1f10e4c33795f75298cb1f53c268b3909c3cd145ded74a5e3bb64d754fb0e0af82915fa7ef7d06daabb6041a5e55bd38a7a28a2bc082e829e9b5a0236d05257c
ripemd-160
08b3f4d15484346a137a3d7eb95b213c47faa63d
Diameter
143298498
Circumference
450185508.58725
Area
1.612772680048E+16
Volume
1.5407193511087E+24
Surface area
6.4510907201919E+16
Circumference
450185508.58725
Perimeter
286596996
Area
5133614882264001
Diagonal
101327339.66965
Surface area
30801689293584006
Volume
3.6781965096944E+23
Space diagonal
124100139.59215
Perimeter
214947747
Area
2.2229204506432E+15
Altitude
62050069.796077
Surface area
2.2229204506432E+15
Volume
4.3347961575693E+22
Height
33775779.889882