71978690 is an even 8-digits composite number following 71978689
and preceding 71978691 . In scientific notation, it is written as 7.1978690 × 10^7.
The sum of its digits is 47. It has a total of 5 prime factors and 32 positive divisors.
There are 24010560 positive integers (up to 71978690) that are relatively prime to 71978690.
71978690 has 32 divisors, whose sum is 152077824
The reverse of 71978690 is 09687917
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-one million nine hundred seventy-eight thousand six hundred ninety
Scientific notation
7.1978690 × 10^7
Engineering notation
7.1978690 × 10^6
Prime Factorization
2 × 5 × 37 × 7 × 27791
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
71978690
Product of the distinct prime numbers
The prime factorization of 71978690 is 2 × 5 × 37 × 7 × 27791.
Since it has a total of 5 prime factors.
2 , 2 , 96 , 77 , 627 , 547 , 8720 , 5934 , 64344 , 74955 , 402770 , 518347 , 6208781 , 5099625 , 71100283 , 48243985 , 532002502 , 287300242 , 9330852722 , 7939336052
n×2
143957380
n×3
215936070
n×4
287914760
n×5
359893450
n÷2
35989345
n÷3
23992896.666667
n÷3
17994672.5
n÷5
14395738
n2
5180931814116100
n3
3.729166849594E+23
n4
2.684205446252E+31
n5
1.9320559171209E+39
2 √n
8484.0255775192
3 √n
415.97571742507
4 √n
92.108770361563
5 √n
37.276985749513
1 , 2 , 5 , 7 , 10 , 14 , 35 , 37 , 70 , 74 , 185 , 259 , 370 , 518 , 1295 , 2590 , 27791 , 55582 , 138955 , 194537 , 277910 , 389074 , 972685 , 1028267 , 1945370 , 2056534 , 5141335 , 7197869 , 10282670 , 14395738 , 35989345 , 71978690
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
-71978689
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 71978690 can be divided by 32 positive divisors.
The sum of these divisors (counting 71978690) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010010100100111011000010
3
Ternary
12000102220012102
4
Quaternary
10102210323002
5
Quinary
121411304230
6
Senary
11050430402
8
Octal
422447302
10
Decimal
71978690
12
Duodecimal
20132402
16
Hexadecimal
44a4ec2
20
Vigesimal
129h6ea
36
Base36
16ur42
md5
c9a5f208389ed3d87fbde6add17f84f6
sha1
3b791f88fe6efa1032f84ab7570982a6adb00001
sha256
624688f192ed5f4834d35cf939cc42426305c144b56e935fdcbfc803f6414ffb
sha512
8f92bcac9951f9d7fb54a467a0ea16a25deba1295534a2b36bf1bbd6c14175d333a2140b77bfa783cf09086ed1b6c1491ef0a167f5142ab31164a7a4ad279353
ripemd-160
947a81135ed8be4f6ed8e11620729462fbb7386f
Diameter
143957380
Circumference
452255447.43803
Area
1.6276377325977E+16
Volume
1.5620697571593E+24
Surface area
6.5105509303907E+16
Circumference
452255447.43803
Perimeter
287914760
Area
5180931814116100
Diagonal
101793239.59985
Surface area
31085590884696600
Volume
3.729166849594E+23
Space diagonal
124670748.14225
Perimeter
215936070
Area
2.2434092831498E+15
Altitude
62335374.071125
Surface area
2.2434092831498E+15
Volume
4.3948652792067E+22
Height
33931079.866616