71355921 is an odd 8-digits composite number following 71355920
and preceding 71355922 . In scientific notation, it is written as 7.1355921 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 36336384 positive integers (up to 71355921) that are relatively prime to 71355921.
71355921 has 16 divisors, whose sum is 83289360
The reverse of 71355921 is 12955317
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
seventy-one million three hundred fifty-five thousand nine hundred twenty-one
Scientific notation
7.1355921 × 10^7
Engineering notation
7.1355921 × 10^6
Prime Factorization
21 × 29 × 13 × 9013
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71355921
Product of the distinct prime numbers
The prime factorization of 71355921 is 21 × 29 × 13 × 9013.
Since it has a total of 4 prime factors.
2 , 10 , 77 , 60 , 626 , 512 , 8238 , 4210 , 19341 , 2902 , 495603 , 707473 , 7379047 , 1519650 , 7987909 , 49700036 , 214904727 , 77611873 , 5970059137 , 8501958644
n×2
142711842
n×3
214067763
n×4
285423684
n×5
356779605
n÷2
35677960.5
n÷3
23785307
n÷3
17838980.25
n÷5
14271184.2
n2
5091667461758241
n3
3.6332062115949E+23
n4
2.5925077541128E+31
n5
1.8499077849436E+39
2 √n
8447.243396517
3 √n
414.77254870629
4 √n
91.908886384925
5 √n
37.212256273945
1 , 13 , 21 , 29 , 273 , 377 , 609 , 7917 , 9013 , 117169 , 189273 , 261377 , 2460549 , 3397901 , 5488917 , 71355921
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
-71355920
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 71355921 can be divided by 16 positive divisors.
The sum of these divisors (counting 71355921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000001100111000010001
3
Ternary
11222021020220220
4
Quaternary
10100030320101
5
Quinary
121231342141
6
Senary
11025223253
8
Octal
420147021
10
Decimal
71355921
12
Duodecimal
1ba91b29
16
Hexadecimal
440ce11
20
Vigesimal
125j9g1
36
Base36
16hekx
md5
f4f0f5f4aa5c4417ad691e34fd2ec1da
sha1
cb3abe3364bff9134854a5ebef997bbd47e8a816
sha256
8b147faecd0f5b02cc67296e9677f0800c08d4523f3c37b35ef38e693d746070
sha512
2bf09803bb82ba56b378f6d79396748dc3cc75ed55cc4eba0c814cedc848650f084a91ed6fd7604b02797c40fc9012fe1774739d492778d164c536b65bd77571
ripemd-160
816889e2a7936d5e734640c4f159e9f874d945be
Diameter
142711842
Circumference
448342474.40747
Area
1.5995945092382E+16
Volume
1.5218738591098E+24
Surface area
6.3983780369528E+16
Circumference
448342474.40747
Perimeter
285423684
Area
5091667461758241
Diagonal
100912511.23382
Surface area
30550004770549446
Volume
3.6332062115949E+23
Space diagonal
123592080.59287
Perimeter
214067763
Area
2.2047566847526E+15
Altitude
61796040.296436
Surface area
2.2047566847526E+15
Volume
4.2817745827798E+22
Height
33637503.744608