71387994 is an even 8-digits composite number following 71387993
and preceding 71387995 . In scientific notation, it is written as 7.1387994 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 23392560 positive integers (up to 71387994) that are relatively prime to 71387994.
71387994 has 16 divisors, whose sum is 145196640
The reverse of 71387994 is 49978317
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-one million three hundred eighty-seven thousand nine hundred ninety-four
Scientific notation
7.1387994 × 10^7
Engineering notation
7.1387994 × 10^6
Prime Factorization
2 × 3 × 59 × 201661
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71387994
Product of the distinct prime numbers
The prime factorization of 71387994 is 2 × 3 × 59 × 201661.
Since it has a total of 4 prime factors.
3 , 6 , 32 , 18 , 398 , 747 , 6390 , 6515 , 65193 , 16745 , 199341 , 376983 , 7340714 , 9526453 , 28494063 , 66230717 , 830622896 , 684433623 , 5594691505 , 9036317550
n×2
142775988
n×3
214163982
n×4
285551976
n×5
356939970
n÷2
35693997
n÷3
23795998
n÷3
17846998.5
n÷5
14277598.8
n2
5096245687344036
n3
3.6381075655064E+23
n4
2.5971720105773E+31
n5
1.8540689990806E+39
2 √n
8449.1416132055
3 √n
414.83468327119
4 √n
91.91921242703
5 √n
37.215600899461
1 , 2 , 3 , 6 , 59 , 118 , 177 , 354 , 201661 , 403322 , 604983 , 1209966 , 11897999 , 23795998 , 35693997 , 71387994
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
-71387993
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 71387994 can be divided by 16 positive divisors.
The sum of these divisors (counting 71387994) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010100101101011010
3
Ternary
11222022212220210
4
Quaternary
10100110231122
5
Quinary
121233403434
6
Senary
11030031550
8
Octal
420245532
10
Decimal
71387994
12
Duodecimal
1baa85b6
16
Hexadecimal
4414b5a
20
Vigesimal
12639je
36
Base36
16i3bu
md5
8bf02f6c387e04f7fe65ea402a4b735e
sha1
26dde0d9fd15aa698b3ea1ba5bb190aa4385f5cc
sha256
23b0bf911dd15e1ea0f4a6a621b7e91fc7dc57dee16a9659da83ffba29d60269
sha512
56f6b48b7e4bc5d9a5731e6f6aff34317407e75c185220c30da8e9f6b50e3f20852504b9b0a9553a05f0d4f0686f3e365fcb72f5f79ca28ce5a3a6041d5e7d6e
ripemd-160
9e879290e5c12d8039662fd87f24983caa8bcfd7
Diameter
142775988
Circumference
448543995.00982
Area
1.6010328012249E+16
Volume
1.5239269334353E+24
Surface area
6.4041312048995E+16
Circumference
448543995.00982
Perimeter
285551976
Area
5096245687344036
Diagonal
100957869.30541
Surface area
30577474124064216
Volume
3.6381075655064E+23
Space diagonal
123647632.65842
Perimeter
214163982
Area
2.2067391145834E+15
Altitude
61823816.329211
Surface area
2.2067391145834E+15
Volume
4.2875508837595E+22
Height
33652623.101803