71385990 is an even 8-digits composite number following 71385989
and preceding 71385991 . In scientific notation, it is written as 7.1385990 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 17571840 positive integers (up to 71385990) that are relatively prime to 71385990.
71385990 has 16 divisors, whose sum is 131790240
The reverse of 71385990 is 09958317
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-one million three hundred eighty-five thousand nine hundred ninety
Scientific notation
7.1385990 × 10^7
Engineering notation
7.1385990 × 10^6
Prime Factorization
2 × 39 × 5 × 183041
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71385990
Product of the distinct prime numbers
The prime factorization of 71385990 is 2 × 39 × 5 × 183041.
Since it has a total of 4 prime factors.
3 , 9 , 23 , 39 , 622 , 105 , 9922 , 7896 , 249 , 56372 , 327632 , 4119 , 3707732 , 7706629 , 90051957 , 43061579 , 823604120 , 709482104 , 1453515820 , 9270722364
n×2
142771980
n×3
214157970
n×4
285543960
n×5
356929950
n÷2
35692995
n÷3
23795330
n÷3
17846497.5
n÷5
14277198
n2
5095959568280100
n3
3.6378011878165E+23
n4
2.5968803921546E+31
n5
1.8538087770554E+39
2 √n
8449.0230204444
3 √n
414.83080149575
4 √n
91.918567332419
5 √n
37.215391954238
1 , 2 , 5 , 10 , 39 , 78 , 195 , 390 , 183041 , 366082 , 915205 , 1830410 , 7138599 , 14277198 , 35692995 , 71385990
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
-71385989
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 71385990 can be divided by 16 positive divisors.
The sum of these divisors (counting 71385990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010100001110000110
3
Ternary
11222022210011120
4
Quaternary
10100110032012
5
Quinary
121233322430
6
Senary
11030014410
8
Octal
420241606
10
Decimal
71385990
12
Duodecimal
1baa7406
16
Hexadecimal
4414386
20
Vigesimal
12634ja
36
Base36
16i1s6
md5
3e574042c0d8c4926100398a0d590335
sha1
044c383e7c93d5f456d733e3b0c98c621b0f14e5
sha256
fc7cb1b8236cf810d4c0b4e70e64df4ca0a4e51989a29d21b5ca550cc45c9adf
sha512
f5fb43f6f3c3c243384764b0b80c1916f4117d73fa4f48450f6cff484dcd6121851f88bb01a07ea60935d2553dc76c7ec02fbf60d79fb4ba88b46b1358ac3fa8
ripemd-160
ec3eaa5b595236a5608a99611bc0f1d90cfcd1a1
Diameter
142771980
Circumference
448531403.50647
Area
1.6009429142699E+16
Volume
1.5237985982486E+24
Surface area
6.4037716570798E+16
Circumference
448531403.50647
Perimeter
285543960
Area
5095959568280100
Diagonal
100955035.22143
Surface area
30575757409680600
Volume
3.6378011878165E+23
Space diagonal
123644161.6286
Perimeter
214157970
Area
2.2066152213945E+15
Altitude
61822080.814302
Surface area
2.2066152213945E+15
Volume
4.2871898141892E+22
Height
33651678.407143