30902721 is an odd 8-digits composite number following 30902720
and preceding 30902722 . In scientific notation, it is written as 3.0902721 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 19517472 positive integers (up to 30902721) that are relatively prime to 30902721.
30902721 has 8 divisors, whose sum is 43372320
The reverse of 30902721 is 12720903
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
thirty million nine hundred two thousand seven hundred twenty-one
Scientific notation
3.0902721 × 10^7
Engineering notation
3.0902721 × 10^6
Prime Factorization
3 × 19 × 542153
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30902721
Product of the distinct prime numbers
The prime factorization of 30902721 is 3 × 19 × 542153.
Since it has a total of 3 prime factors.
3 , 3 , 67 , 14 , 560 , 833 , 5588 , 64 , 44615 , 99723 , 804670 , 719644 , 9527259 , 1663737 , 27486156 , 7311595 , 308926794 , 270642922 , 3550222424 , 2293011228
n×2
61805442
n×3
92708163
n×4
123610884
n×5
154513605
n÷2
15451360.5
n÷3
10300907
n÷3
7725680.25
n÷5
6180544.2
n2
954978165203841
n3
2.9511423800386E+22
n4
9.1198329601609E+29
n5
2.8182765353446E+37
2 √n
5559.0215865744
3 √n
313.80912913406
4 √n
74.558846467568
5 √n
31.477435608275
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
-30902720
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 30902721 can be divided by 8 positive divisors.
The sum of these divisors (counting 30902721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110101111000100111000001
3
Ternary
2011011000120020
4
Quaternary
1311320213001
5
Quinary
30402341341
6
Senary
3022204053
8
Octal
165704701
10
Decimal
30902721
12
Duodecimal
a423629
16
Hexadecimal
1d789c1
20
Vigesimal
9d2gg1
36
Base36
iecox
md5
66db88f182accf7b088c7d0c040b64be
sha1
759263f0fb1da2b33966184613fcebcca1b9c876
sha256
61429c7cc97fd9eca35727b9f004002769b152346e2d063aec3670c2d942ea63
sha512
cf298565ae82a78c6bad29fdb622d63a3ca8a589fb45df5bb13e382918f4514e5e150fc021efb11aa5e9903758aeadbd4d638ddba0513cc528fcaf96b556c1dc
ripemd-160
95a8ac19e022085a6a3d1fcedcb8ef5c135c481a
Diameter
61805442
Circumference
194167522.53907
Area
3.000152388143E+15
Volume
1.2361716294436E+23
Surface area
1.2000609552572E+16
Circumference
194167522.53907
Perimeter
123610884
Area
954978165203841
Diagonal
43703047.152432
Surface area
5729868991223046
Volume
2.9511423800386E+22
Space diagonal
53525082.864126
Perimeter
92708163
Area
4.1351767556299E+14
Altitude
26762541.432063
Surface area
4.1351767556299E+14
Volume
3.4779546486205E+21
Height
14567682.384144