30698979 is an odd 8-digits composite number following 30698978
and preceding 30698980 . In scientific notation, it is written as 3.0698979 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 20423976 positive integers (up to 30698979) that are relatively prime to 30698979.
30698979 has 8 divisors, whose sum is 41016000
The reverse of 30698979 is 97989603
Previous prime number is 499
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
thirty million six hundred ninety-eight thousand nine hundred seventy-nine
Scientific notation
3.0698979 × 10^7
Engineering notation
3.0698979 × 10^6
Prime Factorization
3 × 499 × 20507
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30698979
Product of the distinct prime numbers
The prime factorization of 30698979 is 3 × 499 × 20507.
Since it has a total of 3 prime factors.
3 , 10 , 29 , 76 , 923 , 973 , 2069 , 286 , 81863 , 61380 , 239531 , 385516 , 4239268 , 1858939 , 45153515 , 56029298 , 126060833 , 537560379 , 2619981307 , 3715394713
n×2
61397958
n×3
92096937
n×4
122795916
n×5
153494895
n÷2
15349489.5
n÷3
10232993
n÷3
7674744.75
n÷5
6139795.8
n2
942427311642441
n3
2.8931556249138E+22
n4
8.881692377296E+29
n5
2.7265888777507E+37
2 √n
5540.665934705
3 √n
313.11795885378
4 √n
74.435649622375
5 √n
31.435819492842
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
-30698978
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 30698979 can be divided by 8 positive divisors.
The sum of these divisors (counting 30698979) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110101000110110111100011
3
Ternary
2010202200002020
4
Quaternary
1311012313203
5
Quinary
30324331404
6
Senary
3013552523
8
Octal
165066743
10
Decimal
30698979
12
Duodecimal
a345743
16
Hexadecimal
1d46de3
20
Vigesimal
9bh78j
36
Base36
i9zhf
md5
b7fa433c224c8eb7b2a9731b0127cd3d
sha1
1a37e4282a468c24e01e42f8372fc42d2b09149e
sha256
5b0e7638a93dd4a637bf9bf3903ce1502eb854335dafd37e18d42bd299845efe
sha512
cafd6ad4ffc6d6a4a7795c067edceb35d83f48c9436b497c3ec9378332270da87eaac206346703d026ca6e3f2a8b19ebe6b15f62329b4195cd01dd5014745f57
ripemd-160
8afbb6d0cd136fe4247a8f540c4e84ca02d3a2ed
Diameter
61397958
Circumference
192887373.79821
Area
2.9607227187983E+15
Volume
1.2118821942561E+23
Surface area
1.1842890875193E+16
Circumference
192887373.79821
Perimeter
122795916
Area
942427311642441
Diagonal
43414912.452807
Surface area
5654563869854646
Volume
2.8931556249138E+22
Space diagonal
53172191.36849
Perimeter
92096937
Area
4.0808299655131E+14
Altitude
26586095.684245
Surface area
4.0808299655131E+14
Volume
3.4096166023409E+21
Height
14471637.484269