71661870 is an even 8-digits composite number following 71661869
and preceding 71661871 . In scientific notation, it is written as 7.1661870 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 16379712 positive integers (up to 71661870) that are relatively prime to 71661870.
71661870 has 16 divisors, whose sum is 120120000
The reverse of 71661870 is 07816617
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-one million six hundred sixty-one thousand eight hundred seventy
Scientific notation
7.1661870 × 10^7
Engineering notation
7.1661870 × 10^6
Prime Factorization
2 × 15 × 21 × 113749
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71661870
Product of the distinct prime numbers
The prime factorization of 71661870 is 2 × 15 × 21 × 113749.
Since it has a total of 4 prime factors.
9 , 1 , 27 , 85 , 355 , 795 , 7983 , 1837 , 86190 , 16490 , 412993 , 2778 , 5395507 , 8364295 , 13361079 , 78121459 , 464924980 , 867395523 , 7306402170 , 644575611
n×2
143323740
n×3
214985610
n×4
286647480
n×5
358309350
n÷2
35830935
n÷3
23887290
n÷3
17915467.5
n÷5
14332374
n2
5135423611896900
n3
3.6801405927069E+23
n4
2.6372575673628E+31
n5
1.8899080894887E+39
2 √n
8465.3334252113
3 √n
415.364502904
4 √n
92.007246590751
5 √n
37.244112289488
1 , 2 , 15 , 21 , 30 , 42 , 315 , 630 , 113749 , 227498 , 1706235 , 2388729 , 3412470 , 4777458 , 35830935 , 71661870
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
-71661869
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 71661870 can be divided by 16 positive divisors.
The sum of these divisors (counting 71661870) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010001010111100100101110
3
Ternary
11222211210121100
4
Quaternary
10101113210232
5
Quinary
121321134440
6
Senary
11035543530
8
Octal
421274456
10
Decimal
71661870
12
Duodecimal
1bbbaba6
16
Hexadecimal
445792e
20
Vigesimal
127heda
36
Base36
16nyni
md5
5e540b7669f0a9f25cac3d94658d1711
sha1
d726939de2762dcdf915b30631f11fea59c46a8e
sha256
eb61a37a3a84431776262197422556e312a3d2de90fdca3cd0cdf7b39c7fe31a
sha512
32b82f4200e3f43734dab17a975d6107ddefde73a73737a6ae1cd912f372478c5aaaeb71436420de76c5d3e9b676c16aa710ff1353b1abac776a136c0b03a0ca
ripemd-160
c6e0c82db3a95d07d04734d261690225d4cf82db
Diameter
143323740
Circumference
450264808.66901
Area
1.6133409092207E+16
Volume
1.5415336866967E+24
Surface area
6.4533636368827E+16
Circumference
450264808.66901
Perimeter
286647480
Area
5135423611896900
Diagonal
101345188.45902
Surface area
30812541671381400
Volume
3.6801405927069E+23
Space diagonal
124121999.8054
Perimeter
214985610
Area
2.2237036535486E+15
Altitude
62060999.902698
Surface area
2.2237036535486E+15
Volume
4.3370872813715E+22
Height
33781729.486339