71531640 is an even 8-digits composite number following 71531639
and preceding 71531641 . In scientific notation, it is written as 7.1531640 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors.
There are 18866304 positive integers (up to 71531640) that are relatively prime to 71531640.
71531640 has 32 divisors, whose sum is 136598400
The reverse of 71531640 is 04613517
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
seventy-one million five hundred thirty-one thousand six hundred forty
Scientific notation
7.1531640 × 10^7
Engineering notation
7.1531640 × 10^6
Prime Factorization
2 × 2 × 2 × 135 × 107 × 619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
17882910
Product of the distinct prime numbers
The prime factorization of 71531640 is 2 × 2 × 2 × 135 × 107 × 619.
Since it has a total of 6 prime factors.
1 , 2 , 44 , 49 , 670 , 914 , 7186 , 8312 , 22793 , 27630 , 413112 , 281447 , 2983216 , 3835935 , 69989282 , 96747880 , 680449372 , 988650826 , 8900316240 , 3062923311
n×2
143063280
n×3
214594920
n×4
286126560
n×5
357658200
n÷2
35765820
n÷3
23843880
n÷3
17882910
n÷5
14306328
n2
5116775521089600
n3
3.6601134453539E+23
n4
2.6181391733222E+31
n5
1.8727978881598E+39
2 √n
8457.6379681327
3 √n
415.11273851967
4 √n
91.965417240029
5 √n
37.230565809768
1 , 2 , 4 , 8 , 107 , 135 , 214 , 270 , 428 , 540 , 619 , 856 , 1080 , 1238 , 2476 , 4952 , 14445 , 28890 , 57780 , 66233 , 83565 , 115560 , 132466 , 167130 , 264932 , 334260 , 529864 , 668520 , 8941455 , 17882910 , 35765820 , 71531640
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71531639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71531640 can be divided by 32 positive divisors.
The sum of these divisors (counting 71531640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010000110111110001111000
3
Ternary
11222121011222000
4
Quaternary
10100313301320
5
Quinary
121303003030
6
Senary
11033101000
8
Octal
420676170
10
Decimal
71531640
12
Duodecimal
1bb57760
16
Hexadecimal
4437c78
20
Vigesimal
1271920
36
Base36
16l660
md5
3e05112ebe0f03d84815042134809ad7
sha1
c2452d2e503752d245a940e53f6a0a855b8eac32
sha256
37d8a8a09e8cd8dab18fead0ecbb0a8e3bd24e791a098483d0e9d2fc7dfb06c6
sha512
fe140f2292626da962de574de480f1c472648db1101b81c6de9362e50d630c6685a7cd681ba637f2e6267f5744fd42fd8d26b232cf3949848330a3b7bb611fe8
ripemd-160
287551babfd2dd45d419b3060072ce1a31a9ea14
Diameter
143063280
Circumference
449446549.44646
Area
1.6074824387123E+16
Volume
1.5331447348306E+24
Surface area
6.4299297548493E+16
Circumference
449446549.44646
Perimeter
286126560
Area
5116775521089600
Diagonal
101161015.42679
Surface area
30700653126537600
Volume
3.6601134453539E+23
Space diagonal
123896434.82873
Perimeter
214594920
Area
2.215628793363E+15
Altitude
61948217.414363
Surface area
2.215628793363E+15
Volume
4.3134850618697E+22
Height
33720338.475597