71399985 is an odd 8-digits composite number following 71399984
and preceding 71399986 . In scientific notation, it is written as 7.1399985 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 38041920 positive integers (up to 71399985) that are relatively prime to 71399985.
71399985 has 16 divisors, whose sum is 114354240
The reverse of 71399985 is 58999317
Previous prime number is 1429
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
seventy-one million three hundred ninety-nine thousand nine hundred eighty-five
Scientific notation
7.1399985 × 10^7
Engineering notation
7.1399985 × 10^6
Prime Factorization
3 × 5 × 1429 × 3331
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71399985
Product of the distinct prime numbers
The prime factorization of 71399985 is 3 × 5 × 1429 × 3331.
Since it has a total of 4 prime factors.
8 , 6 , 62 , 24 , 815 , 172 , 6470 , 3391 , 93323 , 49755 , 77333 , 39479 , 30349 , 7236196 , 96026038 , 89955506 , 151706330 , 940993925 , 9833689081 , 8441225663
n×2
142799970
n×3
214199955
n×4
285599940
n×5
356999925
n÷2
35699992.5
n÷3
23799995
n÷3
17849996.25
n÷5
14279997
n2
5097957858000225
n3
3.6399411459185E+23
n4
2.5989174321946E+31
n5
1.8556266567493E+39
2 √n
8449.8511821215
3 √n
414.85790848468
4 √n
91.923072088141
5 √n
37.216851032055
1 , 3 , 5 , 15 , 1429 , 3331 , 4287 , 7145 , 9993 , 16655 , 21435 , 49965 , 4759999 , 14279997 , 23799995 , 71399985
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
-71399984
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 71399985 can be divided by 16 positive divisors.
The sum of these divisors (counting 71399985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010111101000110001
3
Ternary
11222100111100220
4
Quaternary
10100113220301
5
Quinary
121234244420
6
Senary
11030203253
8
Octal
420275061
10
Decimal
71399985
12
Duodecimal
1bab3529
16
Hexadecimal
4417a31
20
Vigesimal
1264jj5
36
Base36
16ickx
md5
6f5705a776e33b31534168bc99ab113a
sha1
d621d496e5872d41277da3cf075d1896aad249a5
sha256
1fac2d1186a2ad8ace6005cc596b72a23e36e316714440e6195c630a2abe1178
sha512
f85503acf558827de71d4d5e0ddd8e331a658018c2799e15cd567ff1b4a492acb1ebcd011c29a73e79d0166ad6f7ba4556f7851ca9f9117c73336beafed75b9a
ripemd-160
c0c63a963bbced20fed2c89d0061567c4ecc2c8c
Diameter
142799970
Circumference
448619336.68484
Area
1.6015706955004E+16
Volume
1.5246949818022E+24
Surface area
6.4062827820015E+16
Circumference
448619336.68484
Perimeter
285599940
Area
5097957858000225
Diagonal
100974827.14024
Surface area
30587747148001350
Volume
3.6399411459185E+23
Space diagonal
123668401.67966
Perimeter
214199955
Area
2.2074805062253E+15
Altitude
61834200.839828
Surface area
2.2074805062253E+15
Volume
4.2897117789982E+22
Height
33658275.713412