71978980 is an even 8-digits composite number following 71978979
and preceding 71978981 . In scientific notation, it is written as 7.1978980 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 28791584 positive integers (up to 71978980) that are relatively prime to 71978980.
71978980 has 12 divisors, whose sum is 151155900
The reverse of 71978980 is 08987917
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
seventy-one million nine hundred seventy-eight thousand nine hundred eighty
Scientific notation
7.1978980 × 10^7
Engineering notation
7.1978980 × 10^6
Prime Factorization
2 × 2 × 5 × 3598949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
35989490
Product of the distinct prime numbers
The prime factorization of 71978980 is 2 × 2 × 5 × 3598949.
Since it has a total of 4 prime factors.
9 , 6 , 19 , 22 , 900 , 674 , 5347 , 8737 , 88443 , 52960 , 945276 , 809106 , 179268 , 2356980 , 56498199 , 15266205 , 991303797 , 792861169 , 9793114412 , 1728625947
n×2
143957960
n×3
215936940
n×4
287915920
n×5
359894900
n÷2
35989490
n÷3
23992993.333333
n÷3
17994745
n÷5
14395796
n2
5180973561840400
n3
3.7292119238824E+23
n4
2.6842487048489E+31
n5
1.9320948384135E+39
2 √n
8484.0426684453
3 √n
415.97627607558
4 √n
92.108863137297
5 √n
37.277015787038
1 , 2 , 4 , 5 , 10 , 20 , 3598949 , 7197898 , 14395796 , 17994745 , 35989490 , 71978980
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
-71978979
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 71978980 can be divided by 12 positive divisors.
The sum of these divisors (counting 71978980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010010100100111111100100
3
Ternary
12000102220121011
4
Quaternary
10102210333210
5
Quinary
121411311410
6
Senary
11050432004
8
Octal
422447744
10
Decimal
71978980
12
Duodecimal
20132604
16
Hexadecimal
44a4fe4
20
Vigesimal
129h790
36
Base36
16urc4
md5
3926738bda6380bf5a25fe48d9e0fec0
sha1
306fdf36cf89ea2b77b4bea54735e9e00b25d899
sha256
247f274f3fc763acc9c826db1f256987de200fb7edd7fc11822bf8e965b77bab
sha512
13ffd2558a048e545d0d6b5839ef8eb3b2df7d509add966d45cc1f844c9a704d959e707da9e2df47cf3b806f326b7d6a639b39bb333f3db09f595ec177cdd860
ripemd-160
3f582eb7ce90327d641dd41c8c15376b9f336dcf
Diameter
143957960
Circumference
452257269.56177
Area
1.6276508480321E+16
Volume
1.5620886378331E+24
Surface area
6.5106033921283E+16
Circumference
452257269.56177
Perimeter
287915920
Area
5180973561840400
Diagonal
101793649.72178
Surface area
31085841371042400
Volume
3.7292119238824E+23
Space diagonal
124671250.43698
Perimeter
215936940
Area
2.2434273604447E+15
Altitude
62335625.218492
Surface area
2.2434273604447E+15
Volume
4.3949183997649E+22
Height
33931216.573927