71398986 is an even 8-digits composite number following 71398985
and preceding 71398987 . In scientific notation, it is written as 7.1398986 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 22978928 positive integers (up to 71398986) that are relatively prime to 71398986.
71398986 has 16 divisors, whose sum is 147722400
The reverse of 71398986 is 68989317
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
seventy-one million three hundred ninety-eight thousand nine hundred eighty-six
Scientific notation
7.1398986 × 10^7
Engineering notation
7.1398986 × 10^6
Prime Factorization
2 × 3 × 29 × 410339
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71398986
Product of the distinct prime numbers
The prime factorization of 71398986 is 2 × 3 × 29 × 410339.
Since it has a total of 4 prime factors.
9 , 1 , 62 , 74 , 561 , 193 , 6139 , 8596 , 7992 , 47534 , 908857 , 647743 , 1238931 , 2628511 , 27026148 , 11237748 , 114815345 , 246036715 , 1347589113 , 7566254277
n×2
142797972
n×3
214196958
n×4
285595944
n×5
356994930
n÷2
35699493
n÷3
23799662
n÷3
17849746.5
n÷5
14279797.2
n2
5097815201828196
n3
3.6397883622592E+23
n4
2.5987719831991E+31
n5
1.8554968444562E+39
2 √n
8449.7920684476
3 √n
414.85597363374
4 √n
91.922750548749
5 √n
37.216746886817
1 , 2 , 3 , 6 , 29 , 58 , 87 , 174 , 410339 , 820678 , 1231017 , 2462034 , 11899831 , 23799662 , 35699493 , 71398986
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71398985
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71398986 can be divided by 16 positive divisors.
The sum of these divisors (counting 71398986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010111011001001010
3
Ternary
11222100102222220
4
Quaternary
10100113121022
5
Quinary
121234231421
6
Senary
11030154510
8
Octal
420273112
10
Decimal
71398986
12
Duodecimal
1bab2a36
16
Hexadecimal
441764a
20
Vigesimal
1264h96
36
Base36
16ibt6
md5
1572ce4bca5a29a858e13b85fe33e26e
sha1
166c7df6e748b0163cb0889c083ebc22dfe8e252
sha256
64b87b6d3f28ba348312b7bbf8308f930f3ea92ccfa4290201f2fecb88879e37
sha512
d1dbbfd37e64868eabd80cd51e783bd725d5a40a91695e949e65b96def2f342d70482b3f57b47088df299dee9028fd30041c3d5f77ecd632d201d9b4700bf69d
ripemd-160
58ca89e24b2e9539c32011278d6a33ddc8985729
Diameter
142797972
Circumference
448613059.78272
Area
1.6015258787422E+16
Volume
1.5246309839327E+24
Surface area
6.4061035149687E+16
Circumference
448613059.78272
Perimeter
285595944
Area
5097815201828196
Diagonal
100973414.34089
Surface area
30586891210969176
Volume
3.6397883622592E+23
Space diagonal
123666671.3609
Perimeter
214196958
Area
2.2074187342909E+15
Altitude
61833335.680449
Surface area
2.2074187342909E+15
Volume
4.2895317217289E+22
Height
33657804.780296