71387690 is an even 8-digits composite number following 71387689
and preceding 71387691 . In scientific notation, it is written as 7.1387690 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 32 positive divisors.
There are 25531200 positive integers (up to 71387690) that are relatively prime to 71387690.
71387690 has 32 divisors, whose sum is 142490880
The reverse of 71387690 is 09678317
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-one million three hundred eighty-seven thousand six hundred ninety
Scientific notation
7.1387690 × 10^7
Engineering notation
7.1387690 × 10^6
Prime Factorization
2 × 11 × 5 × 61 × 10639
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
71387690
Product of the distinct prime numbers
The prime factorization of 71387690 is 2 × 11 × 5 × 61 × 10639.
Since it has a total of 5 prime factors.
4 , 9 , 81 , 20 , 730 , 57 , 490 , 7925 , 74409 , 13041 , 961726 , 255213 , 5558941 , 6533151 , 36651139 , 6991930 , 96178861 , 698149114 , 8779589928 , 7770744771
n×2
142775380
n×3
214163070
n×4
285550760
n×5
356938450
n÷2
35693845
n÷3
23795896.666667
n÷3
17846922.5
n÷5
14277538
n2
5096202283536100
n3
3.6380610879437E+23
n4
2.5971277714719E+31
n5
1.8540295224022E+39
2 √n
8449.1236231931
3 √n
414.8340944237
4 √n
91.91911456924
5 √n
37.215569203481
1 , 2 , 5 , 10 , 11 , 22 , 55 , 61 , 110 , 122 , 305 , 610 , 671 , 1342 , 3355 , 6710 , 10639 , 21278 , 53195 , 106390 , 117029 , 234058 , 585145 , 648979 , 1170290 , 1297958 , 3244895 , 6489790 , 7138769 , 14277538 , 35693845 , 71387690
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
-71387689
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 71387690 can be divided by 32 positive divisors.
The sum of these divisors (counting 71387690) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010000010100101000101010
3
Ternary
11222022212111112
4
Quaternary
10100110220222
5
Quinary
121233401230
6
Senary
11030030322
8
Octal
420245052
10
Decimal
71387690
12
Duodecimal
1baa83a2
16
Hexadecimal
4414a2a
20
Vigesimal
126394a
36
Base36
16i33e
md5
85961e9731cc8c00b32bf5a0355a979c
sha1
b73a92cff6fcb1b2a8cb8e2721c1a8a0d63afc3b
sha256
38dadaf02b51990a4765803a824bdf757cc9760f81a45e6cc7c6901d73a615f5
sha512
89889d3610a04d804ccda1911f02b88c0ab7fe65936bcabcb6d5d6aaa24b3ab44e009aa9adabd02fc441a712a77e53dcd1fb2f17de87ad375246155bcff415aa
ripemd-160
fdd0643b24075d13c5fe189f904da52b8ef95675
Diameter
142775380
Circumference
448542084.92149
Area
1.6010191655165E+16
Volume
1.5239074649593E+24
Surface area
6.4040766620658E+16
Circumference
448542084.92149
Perimeter
285550760
Area
5096202283536100
Diagonal
100957439.38449
Surface area
30577213701216600
Volume
3.6380610879437E+23
Space diagonal
123647106.11498
Perimeter
214163070
Area
2.2067203201833E+15
Altitude
61823553.057488
Surface area
2.2067203201833E+15
Volume
4.2874961094265E+22
Height
33652479.794829