71387998 is an even 8-digits composite number following 71387997
and preceding 71387999 . In scientific notation, it is written as 7.1387998 × 10^7.
The sum of its digits is 52. It has a total of 5 prime factors and 32 positive divisors.
There are 28385280 positive integers (up to 71387998) that are relatively prime to 71387998.
71387998 has 32 divisors, whose sum is 117079776
The reverse of 71387998 is 89978317
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
seventy-one million three hundred eighty-seven thousand nine hundred ninety-eight
Scientific notation
7.1387998 × 10^7
Engineering notation
7.1387998 × 10^6
Prime Factorization
2 × 253 × 17 × 43 × 193
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
71387998
Product of the distinct prime numbers
The prime factorization of 71387998 is 2 × 253 × 17 × 43 × 193.
Since it has a total of 5 prime factors.
9 , 2 , 55 , 76 , 333 , 71 , 1583 , 3379 , 7898 , 26014 , 536574 , 614451 , 495481 , 7732580 , 34049579 , 4240699 , 866475988 , 724747081 , 9784379442 , 5131601534
n×2
142775996
n×3
214163994
n×4
285551992
n×5
356939990
n÷2
35693999
n÷3
23795999.333333
n÷3
17846999.5
n÷5
14277599.6
n2
5096246258448004
n3
3.6381081770559E+23
n4
2.5971725926745E+31
n5
1.854069518515E+39
2 √n
8449.1418499159
3 √n
414.83469101917
4 √n
91.91921371463
5 √n
37.215601316512
1 , 2 , 17 , 34 , 43 , 86 , 193 , 253 , 386 , 506 , 731 , 1462 , 3281 , 4301 , 6562 , 8299 , 8602 , 10879 , 16598 , 21758 , 48829 , 97658 , 141083 , 184943 , 282166 , 369886 , 830093 , 1660186 , 2099647 , 4199294 , 35693999 , 71387998
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
-71387997
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 71387998 can be divided by 32 positive divisors.
The sum of these divisors (counting 71387998) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010000010100101101011110
3
Ternary
11222022212220221
4
Quaternary
10100110231132
5
Quinary
121233403443
6
Senary
11030031554
8
Octal
420245536
10
Decimal
71387998
12
Duodecimal
1baa85ba
16
Hexadecimal
4414b5e
20
Vigesimal
12639ji
36
Base36
16i3by
md5
3834664627b2ab0151293c4324faef57
sha1
f2e6272c491c78282cc105b332e54f231fa08b7c
sha256
ab3dac7270ed78b990ccae190de48437d157a717892c9e912236848cdf0fbceb
sha512
9bfd7a303553970bb906113212ea5d3aa4a6eef106fc4bc29b8aa2ea779795fed3e83b11518d7acd46399cd35c089ca1552ba30647b22698ad07a8eb3628a060
ripemd-160
94b8d555a7cacc3f343c68b5f6caec4744ece0b2
Diameter
142775996
Circumference
448544020.14257
Area
1.6010329806425E+16
Volume
1.5239271896005E+24
Surface area
6.4041319225699E+16
Circumference
448544020.14257
Perimeter
285551992
Area
5096246258448004
Diagonal
100957874.96226
Surface area
30577477550688024
Volume
3.6381081770559E+23
Space diagonal
123647639.58663
Perimeter
214163994
Area
2.2067393618787E+15
Altitude
61823819.793313
Surface area
2.2067393618787E+15
Volume
4.2875516044775E+22
Height
33652624.987421