30813215 is an odd 8-digits composite number following 30813214
and preceding 30813216 . In scientific notation, it is written as 3.0813215 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 23578720 positive integers (up to 30813215) that are relatively prime to 30813215.
30813215 has 8 divisors, whose sum is 38583648
The reverse of 30813215 is 51231803
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
thirty million eight hundred thirteen thousand two hundred fifteen
Scientific notation
3.0813215 × 10^7
Engineering notation
3.0813215 × 10^6
Prime Factorization
5 × 23 × 267941
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30813215
Product of the distinct prime numbers
The prime factorization of 30813215 is 5 × 23 × 267941.
Since it has a total of 3 prime factors.
5 , 6 , 37 , 9 , 301 , 87 , 1102 , 4740 , 46935 , 17531 , 790858 , 700515 , 4261609 , 4341058 , 58238666 , 3587079 , 659181508 , 904652143 , 5855208099 , 8026048686
n×2
61626430
n×3
92439645
n×4
123252860
n×5
154066075
n÷2
15406607.5
n÷3
10271071.666667
n÷3
7703303.75
n÷5
6162643
n2
949454218636225
n3
2.9255736971495E+22
n4
9.0146331328612E+29
n5
2.7776982886898E+37
2 √n
5550.9652313809
3 √n
313.50586607326
4 √n
74.504800055976
5 √n
31.459180328026
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
-30813214
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 30813215 can be divided by 8 positive divisors.
The sum of these divisors (counting 30813215) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110101100010110000011111
3
Ternary
2010222110210012
4
Quaternary
1311202300133
5
Quinary
30342010330
6
Senary
3020233435
8
Octal
165426037
10
Decimal
30813215
12
Duodecimal
a39b87b
16
Hexadecimal
1d62c1f
20
Vigesimal
9cbd0f
36
Base36
icfmn
md5
1aa89682eef15957845b384f5b900ef8
sha1
5a6be303f85882fabf3cea8a93dc9483ee3d6f13
sha256
e85fbe48a4ac0af31669ef040150d1443901239c7b16a3e0f8d675186273a9b6
sha512
76c12fcf267f3f29518a854b88046847a4dca885bebba80e3de48f28a8feeacf9a39f15cbe5cb90d2781247e52b53879b59d746a5c58e98f1d35148595f39aa4
ripemd-160
5496cd29afd66ea94eaba52c10581e901ef117dd
Diameter
61626430
Circumference
193605139.75497
Area
2.9827983981874E+15
Volume
1.2254614446001E+23
Surface area
1.193119359275E+16
Circumference
193605139.75497
Perimeter
123252860
Area
949454218636225
Diagonal
43576466.553318
Surface area
5696725311817350
Volume
2.9255736971495E+22
Space diagonal
53370053.924543
Perimeter
92439645
Area
4.1112573653464E+14
Altitude
26685026.962272
Surface area
4.1112573653464E+14
Volume
3.447821666859E+21
Height
14525488.851106