71387751 is an odd 8-digits composite number following 71387750
and preceding 71387752 . In scientific notation, it is written as 7.1387751 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 46811520 positive integers (up to 71387751) that are relatively prime to 71387751.
71387751 has 8 divisors, whose sum is 96744304
The reverse of 71387751 is 15778317
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-one million three hundred eighty-seven thousand seven hundred fifty-one
Scientific notation
7.1387751 × 10^7
Engineering notation
7.1387751 × 10^6
Prime Factorization
3 × 61 × 390097
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71387751
Product of the distinct prime numbers
The prime factorization of 71387751 is 3 × 61 × 390097.
Since it has a total of 3 prime factors.
3 , 4 , 79 , 21 , 916 , 184 , 5872 , 6983 , 25644 , 13396 , 726146 , 191462 , 1645094 , 3648714 , 84807112 , 28134038 , 215603501 , 852704136 , 5552532929 , 2148235802
n×2
142775502
n×3
214163253
n×4
285551004
n×5
356938755
n÷2
35693875.5
n÷3
23795917
n÷3
17846937.75
n÷5
14277550.2
n2
5096210992838001
n3
3.6380704140018E+23
n4
2.5971366483523E+31
n5
1.8540374436555E+39
2 √n
8449.1272330342
3 √n
414.83421258073
4 √n
91.919134205203
5 √n
37.215575563538
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71387750
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71387751 can be divided by 8 positive divisors.
The sum of these divisors (counting 71387751) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010100101001100111
3
Ternary
11222022212120210
4
Quaternary
10100110221213
5
Quinary
121233402001
6
Senary
11030030503
8
Octal
420245147
10
Decimal
71387751
12
Duodecimal
1baa8433
16
Hexadecimal
4414a67
20
Vigesimal
126397b
36
Base36
16i353
md5
5f7ac77caa896e58893547aebbd4640b
sha1
989736c19563e51231ee6bc45514073ff0b76a8c
sha256
80246ce6598670e5354d00e96e693733e3c2c820c1f75a29e5f6aea59865fb6f
sha512
4d24580eb41393b9897d43df36e5e16aa9ac0d0b6cd14f422522a39ca1a5b4007b35e85b9dc3935f02cda8f073af2fee52937663ff31ac9020be123315185a31
ripemd-160
5a246b0c86ca001e9fdde10cdcb7a1f4d4d25b68
Diameter
142775502
Circumference
448542468.19579
Area
1.6010219016243E+16
Volume
1.5239113714494E+24
Surface area
6.4040876064974E+16
Circumference
448542468.19579
Perimeter
285551004
Area
5096210992838001
Diagonal
100957525.65151
Surface area
30577265957028006
Volume
3.6380704140018E+23
Space diagonal
123647211.77008
Perimeter
214163253
Area
2.2067240914216E+15
Altitude
61823605.885038
Surface area
2.2067240914216E+15
Volume
4.2875071002914E+22
Height
33652508.550504