71978539 is an odd 8-digits prime number following 71978538
and preceding 71978540 . In scientific notation, it is written as 7.1978539 × 10^7.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 71978538 positive integers (up to 71978539) that are relatively prime to 71978539.
71978539 has 2 divisors, whose sum is 71978540
The reverse of 71978539 is 93587917
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 49 Digital Root 4
Name
seventy-one million nine hundred seventy-eight thousand five hundred thirty-nine
Scientific notation
7.1978539 × 10^7
Engineering notation
7.1978539 × 10^6
Prime Factorization
71978539
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
71978539 Product of the distinct prime numbers
The prime factorization of 71978539 is 71978539.
Since it has a total of 1 prime factors.
3 , 3 , 86 , 51 , 813 , 126 , 4664 , 7377 , 84973 , 12390 , 14751 , 110865 , 6417255 , 1661534 , 70441495 , 49143740 , 117260887 , 81966440 , 4853142970 , 252905287
n×2
143957078
n×3
215935617
n×4
287914156
n×5
359892695
n÷2
35989269.5
n÷3
23992846.333333
n÷3
17994634.75
n÷5
14395707.8
n2
5180910076574521
n3
3.7291433800221E+23
n4
2.6841829221551E+31
n5
1.9320356514548E+39
2 √n8484.0166784372
3 √n415.97542654093
4 √n92.108722054088
5 √n37.276970109246
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
71978540 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
35989270 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8484.0167373715 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999722139 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71978539 can be divided by 2 positive divisors.
The sum of these divisors (counting 71978539) is 71978540, the average is 35989270.
Base
System
Value
2
Binary
100010010100100111000101011
3
Ternary
12000102212222211
4
Quaternary
10102210320223
5
Quinary
121411303124
6
Senary
11050425551
8
Octal
422447053
10
Decimal
71978539
12
Duodecimal
201322b7
16
Hexadecimal
44a4e2b
20
Vigesimal
129h66j
36
Base36
16uqzv
md5
e3c9d7dfedc64c997016f064d5027c89
sha1
59c37155360c855107629c803469991bc56bae13
sha256
f47618f3bf76cb1490d0c6ab238df9a3a56d1a6afa039c8f4d189dcdb8adf6bc
sha512
9e2620d195eebd618dc077df2901582b30ded9e086f92c12c9120541bf074670489c2f2c120833798d9a1fc4c125b5b5390e04f6de2ee4570ecfe64d507ed643
ripemd-160
29d1471985781aec72992dc389cd0048450a1765
Diameter
143957078
Circumference
452254498.67705
Area
1.6276309035476E+16
Volume
1.5620599262481E+24
Surface area
6.5105236141903E+16
Circumference
452254498.67705
Perimeter
287914156
Area
5180910076574521
Diagonal
101793026.0536
Surface area
31085460459447126
Volume
3.7291433800221E+23
Space diagonal
124670486.60258
Perimeter
215935617
Area
2.2433998705182E+15
Altitude
62335243.301289
Surface area
2.2433998705182E+15
Volume
4.3948376200509E+22
Height
33931008.684534