71978689 is an odd 8-digits composite number following 71978688
and preceding 71978690 . In scientific notation, it is written as 7.1978689 × 10^7.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 70304724 positive integers (up to 71978689) that are relatively prime to 71978689.
71978689 has 4 divisors, whose sum is 73652656
The reverse of 71978689 is 98687917
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
seventy-one million nine hundred seventy-eight thousand six hundred eighty-nine
Scientific notation
7.1978689 × 10^7
Engineering notation
7.1978689 × 10^6
Prime Factorization
43 × 1673923
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71978689
Product of the distinct prime numbers
The prime factorization of 71978689 is 43 × 1673923.
Since it has a total of 2 prime factors.
8 , 3 , 14 , 7 , 696 , 681 , 1477 , 3042 , 5966 , 39152 , 896288 , 197139 , 9318481 , 2684477 , 48857723 , 65181272 , 932420028 , 959744889 , 2723150114 , 5045567991
n×2
143957378
n×3
215936067
n×4
287914756
n×5
359893445
n÷2
35989344.5
n÷3
23992896.333333
n÷3
17994672.25
n÷5
14395737.8
n2
5180931670158721
n3
3.7291666941661E+23
n4
2.6842052970854E+31
n5
1.9320557829106E+39
2 √n
8484.0255185849
3 √n
415.97571549869
4 √n
92.108770041646
5 √n
37.276985645935
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71978688
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71978689 can be divided by 4 positive divisors.
The sum of these divisors (counting 71978689) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010010100100111011000001
3
Ternary
12000102220012101
4
Quaternary
10102210323001
5
Quinary
121411304224
6
Senary
11050430401
8
Octal
422447301
10
Decimal
71978689
12
Duodecimal
20132401
16
Hexadecimal
44a4ec1
20
Vigesimal
129h6e9
36
Base36
16ur41
md5
83919db52aca0d83f10d3987a81a4878
sha1
d34355861d5745cdaf8d4f5f1592f74e5372a2de
sha256
3d149f9cf40242dc372d99d32e160c9fb225634814f24cce6994a754d5319bc3
sha512
a636f5d1d25778974b8176c52d67afb3f668c277dcd0de3cb23179b6ed67085dfb2364a460dc5a128536349a320801f7795a0bf8c58037d336a6be6c55a10aab
ripemd-160
651f31fb47d548042aa1dbda004e77c811d9a3bc
Diameter
143957378
Circumference
452255441.15485
Area
1.6276376873721E+16
Volume
1.5620696920538E+24
Surface area
6.5105507494885E+16
Circumference
452255441.15485
Perimeter
287914756
Area
5180931670158721
Diagonal
101793238.18564
Surface area
31085590020952326
Volume
3.7291666941661E+23
Space diagonal
124670746.4102
Perimeter
215936067
Area
2.2434092208144E+15
Altitude
62335373.2051
Surface area
2.2434092208144E+15
Volume
4.3948650960331E+22
Height
33931079.395212