71978984 is an even 8-digits composite number following 71978983
and preceding 71978985 . In scientific notation, it is written as 7.1978984 × 10^7.
The sum of its digits is 53. It has a total of 6 prime factors and 32 positive divisors.
There are 28043520 positive integers (up to 71978984) that are relatively prime to 71978984.
71978984 has 32 divisors, whose sum is 168264000
The reverse of 71978984 is 48987917
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
seventy-one million nine hundred seventy-eight thousand nine hundred eighty-four
Scientific notation
7.1978984 × 10^7
Engineering notation
7.1978984 × 10^6
Prime Factorization
2 × 2 × 2 × 11 × 7 × 116849
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
17994746
Product of the distinct prime numbers
The prime factorization of 71978984 is 2 × 2 × 2 × 11 × 7 × 116849.
Since it has a total of 6 prime factors.
8 , 9 , 72 , 13 , 45 , 110 , 6918 , 2160 , 22326 , 23366 , 332059 , 36016 , 981625 , 4101545 , 50471969 , 46666550 , 114987099 , 368528158 , 242369872 , 6217539031
n×2
143957968
n×3
215936952
n×4
287915936
n×5
359894920
n÷2
35989492
n÷3
23992994.666667
n÷3
17994746
n÷5
14395796.8
n2
5180974137672256
n3
3.7292125455993E+23
n4
2.6842493015229E+31
n5
1.9320953752633E+39
2 √n
8484.0429041819
3 √n
415.9762837811
4 √n
92.10886441696
5 √n
37.277016201348
1 , 2 , 4 , 7 , 8 , 11 , 14 , 22 , 28 , 44 , 56 , 77 , 88 , 154 , 308 , 616 , 116849 , 233698 , 467396 , 817943 , 934792 , 1285339 , 1635886 , 2570678 , 3271772 , 5141356 , 6543544 , 8997373 , 10282712 , 17994746 , 35989492 , 71978984
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71978983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71978984 can be divided by 32 positive divisors.
The sum of these divisors (counting 71978984) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010010100100111111101000
3
Ternary
12000102220121022
4
Quaternary
10102210333220
5
Quinary
121411311414
6
Senary
11050432012
8
Octal
422447750
10
Decimal
71978984
12
Duodecimal
20132608
16
Hexadecimal
44a4fe8
20
Vigesimal
129h794
36
Base36
16urc8
md5
cec4c601470b16a89f9fca72dfe4be89
sha1
9555eae1b49b483faf49ad0c7a3f79fb361a4947
sha256
f84572994f81e4beecb870b2173d5d1e5c4e79dab03e9f40ce7a10f53f5c923f
sha512
4f98c995e6e34644c504228052107d3d264a56caeaf4751a88fc1de709db44552ab2aff2a7926aced0883c9eeb1721ca441811a052a8a5bff20ca7b5f7d0a89c
ripemd-160
e51de46bd08adfe618deeea11e83af568c5d3162
Diameter
143957968
Circumference
452257294.69451
Area
1.627651028935E+16
Volume
1.5620888982573E+24
Surface area
6.5106041157399E+16
Circumference
452257294.69451
Perimeter
287915936
Area
5180974137672256
Diagonal
101793655.37864
Surface area
31085844826033536
Volume
3.7292125455993E+23
Space diagonal
124671257.36519
Perimeter
215936952
Area
2.2434276097872E+15
Altitude
62335628.682594
Surface area
2.2434276097872E+15
Volume
4.3949191324653E+22
Height
33931218.459545