30969987 is an odd 8-digits composite number following 30969986
and preceding 30969988 . In scientific notation, it is written as 3.0969987 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 20355720 positive integers (up to 30969987) that are relatively prime to 30969987.
30969987 has 8 divisors, whose sum is 41875200
The reverse of 30969987 is 78996903
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
thirty million nine hundred sixty-nine thousand nine hundred eighty-seven
Scientific notation
3.0969987 × 10^7
Engineering notation
3.0969987 × 10^6
Prime Factorization
3 × 71 × 145399
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30969987
Product of the distinct prime numbers
The prime factorization of 30969987 is 3 × 71 × 145399.
Since it has a total of 3 prime factors.
6 , 10 , 73 , 87 , 17 , 458 , 4009 , 3734 , 23980 , 21286 , 810894 , 802584 , 1167543 , 6354331 , 28001412 , 54489291 , 85006714 , 562189445 , 410066157 , 48478460
n×2
61939974
n×3
92909961
n×4
123879948
n×5
154849935
n÷2
15484993.5
n÷3
10323329
n÷3
7742496.75
n÷5
6193997.4
n2
959140094780169
n3
2.9704556266521E+22
n4
9.1994972141491E+29
n5
2.8490830912873E+37
2 √n
5565.0684631907
3 √n
314.036653733
4 √n
74.599386479989
5 √n
31.491127088985
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
-30969986
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 30969987 can be divided by 8 positive divisors.
The sum of these divisors (counting 30969987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110001001000010000011
3
Ternary
2011021102211120
4
Quaternary
1312021002003
5
Quinary
30412014422
6
Senary
3023443323
8
Octal
166110203
10
Decimal
30969987
12
Duodecimal
a456543
16
Hexadecimal
1d89083
20
Vigesimal
9db4j7
36
Base36
ifslf
md5
a02ac4d2647fe21fc0cf528ad83f997e
sha1
79d9a44897beb6bed9518b438b3156445957d783
sha256
bee19c94aefe7c500a334e32de53c39b30307e77d16f627e736a11e2aa0d6e6a
sha512
3d8b121629f30760f81e0ed32ae30cd2becdc35f1d60a49525ff956ba5b966992a0e83de1d3ece0b72405954a471ca2aa04b2cb032f5d8d6b0a2119696dd9631
ripemd-160
13c10c0dd82d62e3600a4e18c03a049b728a4691
Diameter
61939974
Circumference
194590167.28194
Area
3.0132274755248E+15
Volume
1.2442615432673E+23
Surface area
1.2052909902099E+16
Circumference
194590167.28194
Perimeter
123879948
Area
959140094780169
Diagonal
43798175.641918
Surface area
5754840568681014
Volume
2.9704556266521E+22
Space diagonal
53641590.993748
Perimeter
92909961
Area
4.1531984393392E+14
Altitude
26820795.496874
Surface area
4.1531984393392E+14
Volume
3.5007155280323E+21
Height
14599391.880639