71978251 is an odd 8-digits composite number following 71978250
and preceding 71978252 . In scientific notation, it is written as 7.1978251 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 68189904 positive integers (up to 71978251) that are relatively prime to 71978251.
71978251 has 4 divisors, whose sum is 75766600
The reverse of 71978251 is 15287917
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-one million nine hundred seventy-eight thousand two hundred fifty-one
Scientific notation
7.1978251 × 10^7
Engineering notation
7.1978251 × 10^6
Prime Factorization
19 × 3788329
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71978251
Product of the distinct prime numbers
The prime factorization of 71978251 is 19 × 3788329.
Since it has a total of 2 prime factors.
1 , 1 , 3 , 56 , 556 , 70 , 2340 , 2578 , 89577 , 15353 , 38083 , 612843 , 9263136 , 8606299 , 11926172 , 50356242 , 7497440 , 522947763 , 3916061100 , 429374702
n×2
143956502
n×3
215934753
n×4
287913004
n×5
359891255
n÷2
35989125.5
n÷3
23992750.333333
n÷3
17994562.75
n÷5
14395650.2
n2
5180868617019001
n3
3.7290986171382E+23
n4
2.6841399626812E+31
n5
1.93199699953E+39
2 √n
8483.9997053277
3 √n
415.97487174092
4 √n
92.108629917764
5 √n
37.276940278731
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
-71978250
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 71978251 can be divided by 4 positive divisors.
The sum of these divisors (counting 71978251) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010010100100110100001011
3
Ternary
12000102212121011
4
Quaternary
10102210310023
5
Quinary
121411301001
6
Senary
11050424351
8
Octal
422446413
10
Decimal
71978251
12
Duodecimal
201320b7
16
Hexadecimal
44a4d0b
20
Vigesimal
129h5cb
36
Base36
16uqrv
md5
7b3bc259ea63c819ea245946240279bb
sha1
24b24665923b9294ceafbaddc2a77919ea242680
sha256
c60a488dd874579ae4103e73356788524e52ca2b5cc221bbe06ddb03dbfa4d95
sha512
5a9d6fcdd459161b7a1456f66552abe2a20bffd2778885d29ad20c28e0146dda891ff6b8504f062516272e05f17f7fd23db49e03dbc327881bac81411112df05
ripemd-160
5615faeb678079cf9b5bac9078e19884601b5f1b
Diameter
143956502
Circumference
452252689.11968
Area
1.6276178786441E+16
Volume
1.5620411760151E+24
Surface area
6.5104715145763E+16
Circumference
452252689.11968
Perimeter
287913004
Area
5180868617019001
Diagonal
101792618.76009
Surface area
31085211702114006
Volume
3.7290986171382E+23
Space diagonal
124669987.77195
Perimeter
215934753
Area
2.243381918004E+15
Altitude
62334993.885973
Surface area
2.243381918004E+15
Volume
4.3947848664863E+22
Height
33930872.920032