12821907 is an odd 8-digits composite number following 12821906
and preceding 12821908 . In scientific notation, it is written as 1.2821907 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 7326792 positive integers (up to 12821907) that are relatively prime to 12821907.
12821907 has 8 divisors, whose sum is 19538176
The reverse of 12821907 is 70912821
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million eight hundred twenty-one thousand nine hundred seven
Scientific notation
1.2821907 × 10^7
Engineering notation
1.2821907 × 10^6
Prime Factorization
3 × 7 × 610567
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12821907
Product of the distinct prime numbers
The prime factorization of 12821907 is 3 × 7 × 610567.
Since it has a total of 3 prime factors.
9 , 2 , 47 , 16 , 886 , 882 , 5726 , 4595 , 86387 , 88873 , 997245 , 143933 , 9622006 , 4313593 , 37366143 , 90744975 , 687966711 , 429810100 , 7162637658 , 6775979304
n×2
25643814
n×3
38465721
n×4
51287628
n×5
64109535
n÷2
6410953.5
n÷3
4273969
n÷3
3205476.75
n÷5
2564381.4
n2
164401299116649
n3
2.1079381679529E+21
n4
2.7027787151242E+28
n5
3.4654777326902E+35
2 √n
3580.7690514748
3 √n
234.05479394749
4 √n
59.839527500431
5 √n
26.399185306369
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
-12821906
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 12821907 can be divided by 8 positive divisors.
The sum of these divisors (counting 12821907) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000111010010110010011
3
Ternary
220010102100110
4
Quaternary
300322112103
5
Quinary
11240300112
6
Senary
1134452403
8
Octal
60722623
10
Decimal
12821907
12
Duodecimal
4364103
16
Hexadecimal
c3a593
20
Vigesimal
402ef7
36
Base36
7mtg3
md5
2152e9bdf79f9e3869acd967f6e3a4be
sha1
88102262460ce4266e35d7044284b453b783143c
sha256
c366bfdd6467f962547354465a6f1e844bb8670c87073281247c15242f6621f5
sha512
4b1dc827a1c0f9d409f90088aa2a5c51bbf63bb964fd3568fd4a6a384d5523628889b353919a933c5005861584236d8847b2352fdb558460cd3a382f2ea602c7
ripemd-160
b5d6a25efc013e5dfee226e6c2b072de9c6c30ad
Diameter
25643814
Circumference
80562417.672423
Area
5.1648191354548E+14
Volume
8.8297107502163E+21
Surface area
2.0659276541819E+15
Circumference
80562417.672423
Perimeter
51287628
Area
164401299116649
Diagonal
18132914.774887
Surface area
986407794699894
Volume
2.1079381679529E+21
Space diagonal
22208194.373923
Perimeter
38465721
Area
71187850725091
Altitude
11104097.186962
Surface area
71187850725091
Volume
2.4842289548024E+20
Height
6044304.9249622