71978258 is an even 8-digits composite number following 71978257
and preceding 71978259 . In scientific notation, it is written as 7.1978258 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 32410560 positive integers (up to 71978258) that are relatively prime to 71978258.
71978258 has 16 divisors, whose sum is 118887264
The reverse of 71978258 is 85287917
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-one million nine hundred seventy-eight thousand two hundred fifty-eight
Scientific notation
7.1978258 × 10^7
Engineering notation
7.1978258 × 10^6
Prime Factorization
2 × 11 × 107 × 30577
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71978258
Product of the distinct prime numbers
The prime factorization of 71978258 is 2 × 11 × 107 × 30577.
Since it has a total of 4 prime factors.
8 , 7 , 21 , 87 , 371 , 682 , 1287 , 2776 , 4066 , 22263 , 844225 , 815411 , 1624382 , 3102991 , 13720099 , 27497997 , 50181201 , 750856686 , 8134116845 , 5277634601
n×2
143956516
n×3
215934774
n×4
287913032
n×5
359891290
n÷2
35989129
n÷3
23992752.666667
n÷3
17994564.5
n÷5
14395651.6
n2
5180869624714564
n3
3.7290997051207E+23
n4
2.684141006829E+31
n5
1.9319979389792E+39
2 √n
8484.0001178689
3 √n
415.97488522566
4 √n
92.108632157192
5 √n
37.276941003779
1 , 2 , 11 , 22 , 107 , 214 , 1177 , 2354 , 30577 , 61154 , 336347 , 672694 , 3271739 , 6543478 , 35989129 , 71978258
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
-71978257
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 71978258 can be divided by 16 positive divisors.
The sum of these divisors (counting 71978258) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010010100100110100010010
3
Ternary
12000102212121102
4
Quaternary
10102210310102
5
Quinary
121411301013
6
Senary
11050424402
8
Octal
422446422
10
Decimal
71978258
12
Duodecimal
20132102
16
Hexadecimal
44a4d12
20
Vigesimal
129h5ci
36
Base36
16uqs2
md5
36cf1afc90b2470370d474a71c4fb3b0
sha1
3ac02a0345d1b2a949150d031edd5cb7150299bd
sha256
1820825463668b8f9d9c1e7a27f1149101cfd5a3f21d33dc7aa2891a6f236bcf
sha512
21973a24e7180be0a3a08f5f8fd0c0e283fdb6d84bea1aad898d5dc5ce82e55e0ccc7ac2ed89e6a9bed252faf6c7620d6b06eadbfb0403e9ca8194172519b036
ripemd-160
7ee2edfdcd26d028acf3b20ae44fa2df259f98f3
Diameter
143956516
Circumference
452252733.10198
Area
1.627618195221E+16
Volume
1.5620416317481E+24
Surface area
6.5104727808839E+16
Circumference
452252733.10198
Perimeter
287913032
Area
5180869624714564
Diagonal
101792628.65959
Surface area
31085217748287384
Volume
3.7290997051207E+23
Space diagonal
124669999.8963
Perimeter
215934774
Area
2.243382354349E+15
Altitude
62334999.948151
Surface area
2.243382354349E+15
Volume
4.394786148686E+22
Height
33930876.219863