70981909 is an odd 8-digits composite number following 70981908
and preceding 70981910 . In scientific notation, it is written as 7.0981909 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 68692140 positive integers (up to 70981909) that are relatively prime to 70981909.
70981909 has 4 divisors, whose sum is 73271680
The reverse of 70981909 is 90918907
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy million nine hundred eighty-one thousand nine hundred nine
Scientific notation
7.0981909 × 10^7
Engineering notation
7.0981909 × 10^6
Prime Factorization
31 × 2289739
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
70981909
Product of the distinct prime numbers
The prime factorization of 70981909 is 31 × 2289739.
Since it has a total of 2 prime factors.
6 , 6 , 4 , 55 , 543 , 819 , 7646 , 9351 , 20023 , 89456 , 838668 , 749232 , 888227 , 3993147 , 1267889 , 1586285 , 355062999 , 882483442 , 2147182592 , 2975246184
n×2
141963818
n×3
212945727
n×4
283927636
n×5
354909545
n÷2
35490954.5
n÷3
23660636.333333
n÷3
17745477.25
n÷5
14196381.8
n2
5038431405284281
n3
3.5763747951263E+23
n4
2.5385791025755E+31
n5
1.8019319084832E+39
2 √n
8425.0762014358
3 √n
414.04660222052
4 √n
91.788213848161
5 √n
37.173164626263
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-70981908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 70981909 can be divided by 4 positive divisors.
The sum of these divisors (counting 70981909) is 1, the average is 0.25.
Base
System
Value
2
Binary
100001110110001100100010101
3
Ternary
11221120020212121
4
Quaternary
10032301210111
5
Quinary
121132410114
6
Senary
11013215541
8
Octal
416614425
10
Decimal
70981909
12
Duodecimal
1b9315b1
16
Hexadecimal
43b1915
20
Vigesimal
123cef9
36
Base36
169dzp
md5
120952c11dbc1d785d56a40c5d01925c
sha1
43ef243c56c82e5361e2cd527a57118b290e2ff2
sha256
2f1cfa645ce924929d2652a773f8b84485ff7e8c347efe064b8111e79522ec1d
sha512
320c93e60e51e8f2aa5a0626e52b779c6ba8a52ea7e4f5fa8bfd4a04613cb901531bdf4641102acaade11138e316d9fda3bc01e40280f335e11db086f2b02e92
ripemd-160
973943a849062d5aba4e470409a913876bb0f4d9
Diameter
141963818
Circumference
445992487.70436
Area
1.5828699088457E+16
Volume
1.498068371047E+24
Surface area
6.3314796353829E+16
Circumference
445992487.70436
Perimeter
283927636
Area
5038431405284281
Diagonal
100383578.39093
Surface area
30230588431705686
Volume
3.5763747951263E+23
Space diagonal
122944272.80623
Perimeter
212945727
Area
2.1817047961008E+15
Altitude
61472136.403115
Surface area
2.1817047961008E+15
Volume
4.2147981161641E+22
Height
33461192.796978