9901921821 is an odd 10-digits composite number following 9901921820
and preceding 9901921822 . In scientific notation, it is written as 9.901921821 × 10^9.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 5967635120 positive integers (up to 9901921821) that are relatively prime to 9901921821.
9901921821 has 16 divisors, whose sum is 14483266560
The reverse of 9901921821 is 1281291099
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 42
Digital Root 6
Name
nine billion nine hundred one million nine hundred twenty-one thousand eight hundred twenty-one
Scientific notation
9.901921821 × 10^9
Engineering notation
9.901921821 × 10^9
Prime Factorization
3 × 11 × 179 × 1676303
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9901921821
Product of the distinct prime numbers
The prime factorization of 9901921821 is 3 × 11 × 179 × 1676303.
Since it has a total of 4 prime factors.
9 , 2 , 17 , 48 , 534 , 234 , 5917 , 3453 , 28725 , 15239 , 632118 , 168981 , 4766037 , 1071257 , 23528514 , 30879772 , 574307873 , 737973693 , 820491445 , 4555784496
n×2
19803843642
n×3
29705765463
n×4
39607687284
n×5
49509609105
n÷2
4950960910.5
n÷3
3300640607
n÷3
2475480455.25
n÷5
1980384364.2
n2
9.8048055749196E+19
n3
9.7086418272959E+29
n4
9.6134212361974E+39
n5
9.5191345513168E+49
2 √n
99508.400755916
3 √n
2147.3681024572
4 √n
315.44952172402
5 √n
99.803069535798
1 , 3 , 11 , 33 , 179 , 537 , 1969 , 5907 , 1676303 , 5028909 , 18439333 , 55317999 , 300058237 , 900174711 , 3300640607 , 9901921821
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
-9901921820
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 9901921821 can be divided by 16 positive divisors.
The sum of these divisors (counting 9901921821) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001001110001100110101011000011101
3
Ternary
221120002012202011020
4
Quaternary
21032030311120131
5
Quinary
130234342444241
6
Senary
4314320314353
8
Octal
111614653035
10
Decimal
9901921821
12
Duodecimal
1b041729b9
16
Hexadecimal
24e33561d
20
Vigesimal
7ee704b1
36
Base36
4jrcjrx
md5
528bdabb8eeef24dd11785954acad188
sha1
ae59b90d7630ed6e29c18d2144d8d5613b57b852
sha256
4c16bcfd100bcdec32ee6e5299cd5b5873f814886e4101bc71d8c03ec4fa8bee
sha512
79896e798c6a91522d6d1ef119b59619254072ad81eb33a491af73ea67e05313737e7a2698477f6859eea2152782b27154683a27a03adb0a94a4c74e3abd4f65
ripemd-160
4d263c010921d9ee30ba3a79669d9fdd4a8f3487
Diameter
19803843642
Circumference
62215609698.548
Area
3.0802705164044E+20
Volume
4.0667463787956E+30
Surface area
1.2321082065617E+21
Circumference
62215609698.548
Perimeter
39607687284
Area
9.8048055749196E+19
Diagonal
14003432132.816
Surface area
5.8828833449518E+20
Volume
9.7086418272959E+29
Space diagonal
17150631686.547
Perimeter
29705765463
Area
4.2456053535238E+19
Altitude
8575315843.2735
Surface area
4.2456053535238E+19
Volume
1.144174412032E+29
Height
4667810710.9388