71398537 is an odd 8-digits composite number following 71398536
and preceding 71398538 . In scientific notation, it is written as 7.1398537 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 20 positive divisors.
There are 60464040 positive integers (up to 71398537) that are relatively prime to 71398537.
71398537 has 20 divisors, whose sum is 84298896
The reverse of 71398537 is 73589317
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-one million three hundred ninety-eight thousand five hundred thirty-seven
Scientific notation
7.1398537 × 10^7
Engineering notation
7.1398537 × 10^6
Prime Factorization
7 × 7 × 227 × 49 × 131
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10199791
Product of the distinct prime numbers
The prime factorization of 71398537 is 7 × 7 × 227 × 49 × 131.
Since it has a total of 5 prime factors.
9 , 8 , 2 , 21 , 947 , 628 , 5050 , 2860 , 92399 , 77243 , 661623 , 962764 , 2099659 , 112704 , 49169994 , 60197568 , 460458038 , 577201288 , 6790503772 , 2149073825
n×2
142797074
n×3
214195611
n×4
285594148
n×5
356992685
n÷2
35699268.5
n÷3
23799512.333333
n÷3
17849634.25
n÷5
14279707.4
n2
5097751085740369
n3
3.6397196951202E+23
n4
2.5987066132167E+31
n5
1.855438502759E+39
2 √n
8449.7654997047
3 √n
414.85510401017
4 √n
91.922606031948
5 √n
37.216700078417
1 , 7 , 49 , 131 , 227 , 343 , 917 , 1589 , 2401 , 6419 , 11123 , 29737 , 44933 , 77861 , 208159 , 314531 , 545027 , 1457113 , 10199791 , 71398537
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71398536
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71398537 can be divided by 20 positive divisors.
The sum of these divisors (counting 71398537) is 1, the average is 0.05.
Base
System
Value
2
Binary
100010000010111010010001001
3
Ternary
11222100102101021
4
Quaternary
10100113102021
5
Quinary
121234223122
6
Senary
11030152441
8
Octal
420272211
10
Decimal
71398537
12
Duodecimal
1bab2721
16
Hexadecimal
4417489
20
Vigesimal
1264g6h
36
Base36
16ibgp
md5
70311d5318da23893c935a3fcb3787fd
sha1
314076dd053a24367ccdc4d015205692c80637b4
sha256
38db68ba27b46919d2b11bd8d7b8588a8e2203420ea36d1b8d504842a84fc60a
sha512
834d540dde52928b3a3984d993177aacbca54ff4158a680f58dddd3c08bdefdb16ec010087e2ad2d2849938addb4ba2e690e5bd52926d561d5e2c6602ad3e9f8
ripemd-160
47f70fcab37518ba7c5d4bb44b79ff853494a0ed
Diameter
142797074
Circumference
448610238.63252
Area
1.6015057360791E+16
Volume
1.5246022207088E+24
Surface area
6.4060229443165E+16
Circumference
448610238.63252
Perimeter
285594148
Area
5097751085740369
Diagonal
100972779.359
Surface area
30586506514442214
Volume
3.6397196951202E+23
Space diagonal
123665893.67009
Perimeter
214195611
Area
2.2073909712104E+15
Altitude
61832946.835043
Surface area
2.2073909712104E+15
Volume
4.2894507967296E+22
Height
33657593.119666