99971521 is an odd 8-digits composite number following 99971520
and preceding 99971522 . In scientific notation, it is written as 9.9971521 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 85053888 positive integers (up to 99971521) that are relatively prime to 99971521.
99971521 has 8 divisors, whose sum is 107824640
The reverse of 99971521 is 12517999
Previous prime number is 703
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
ninety-nine million nine hundred seventy-one thousand five hundred twenty-one
Scientific notation
9.9971521 × 10^7
Engineering notation
9.9971521 × 10^6
Prime Factorization
13 × 703 × 10939
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
99971521
Product of the distinct prime numbers
The prime factorization of 99971521 is 13 × 703 × 10939.
Since it has a total of 3 prime factors.
10 , 3 , 71 , 94 , 142 , 24 , 7027 , 7356 , 13616 , 81032 , 852366 , 649514 , 3798642 , 3788009 , 41196507 , 68022374 , 608544433 , 27742239 , 4702568061 , 2863688700
n×2
199943042
n×3
299914563
n×4
399886084
n×5
499857605
n÷2
49985760.5
n÷3
33323840.333333
n÷3
24992880.25
n÷5
19994304.2
n2
9994305011053441
n3
9.9914587329293E+23
n4
9.9886132653968E+31
n5
9.9857686082249E+39
2 √n
9998.5759486039
3 √n
464.11481657496
4 √n
99.992879489511
5 √n
39.808449258175
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
-99971520
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 99971521 can be divided by 8 positive divisors.
The sum of these divisors (counting 99971521) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111101010111000111000001
3
Ternary
20222010002010221
4
Quaternary
11331113013001
5
Quinary
201043042041
6
Senary
13530423041
8
Octal
575270701
10
Decimal
99971521
12
Duodecimal
29591a81
16
Hexadecimal
5f571c1
20
Vigesimal
1b4g8g1
36
Base36
1niqip
md5
df227de907f75a0204b5f878e1fd5cc4
sha1
7fb473b068ffe12383233056b3c3f3a6a154e49b
sha256
d6bb3e730881de997b5798a262a9a96a394896e56cc7ab0dd550ccdf1f3d9736
sha512
46d1f78da5769e3ceaeec93376bb4bcec461856fed7f82240bdfae801b9c74d44affec1e2457b72efb55f185ce5ccf10e9a6f47140b4885e3e1be77cc0bc4f25
ripemd-160
bf339d5896946f0418cb2d4a330252525d65684e
Diameter
199943042
Circumference
628139591.8836
Area
3.1398035200461E+16
Volume
4.1852124472022E+24
Surface area
1.2559214080184E+17
Circumference
628139591.8836
Perimeter
399886084
Area
9994305011053441
Diagonal
141381080.84927
Surface area
59965830066320646
Volume
9.9914587329293E+23
Space diagonal
173155753.68194
Perimeter
299914563
Area
4.3276610163712E+15
Altitude
86577876.840969
Surface area
4.3276610163712E+15
Volume
1.177504704E+23
Height
47127026.949756