156978268 is an even 9-digits composite number following 156978267
and preceding 156978269 . In scientific notation, it is written as 1.56978268 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors.
There are 78090320 positive integers (up to 156978268) that are relatively prime to 156978268.
156978268 has 12 divisors, whose sum is 276107832
The reverse of 156978268 is 862879651
Previous prime number is 197
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred fifty-six million nine hundred seventy-eight thousand two hundred sixty-eight
Scientific notation
1.56978268 × 10^8
Engineering notation
1.56978268 × 10^6
Prime Factorization
2 × 2 × 197 × 199211
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78489134
Product of the distinct prime numbers
The prime factorization of 156978268 is 2 × 2 × 197 × 199211.
Since it has a total of 4 prime factors.
10 , 8 , 91 , 81 , 912 , 783 , 7952 , 6623 , 52910 , 87011 , 394588 , 211218 , 5493039 , 4388230 , 82560639 , 22602261 , 178453925 , 882151749 , 8894931301 , 7148202655
n×2
313956536
n×3
470934804
n×4
627913072
n×5
784891340
n÷2
78489134
n÷3
52326089.333333
n÷3
39244567
n÷5
31395653.6
n2
24642176624279824
n3
3.8682862062295E+24
n4
6.072368687822E+32
n5
9.5322991927174E+40
2 √n
12529.096854921
3 √n
539.44417889072
4 √n
111.93344832945
5 √n
43.568028351383
1 , 2 , 4 , 197 , 394 , 788 , 199211 , 398422 , 796844 , 39244567 , 78489134 , 156978268
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-156978267
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 156978268 can be divided by 12 positive divisors.
The sum of these divisors (counting 156978268) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001010110110100110001011100
3
Ternary
101221101022200221
4
Quaternary
21112310301130
5
Quinary
310141301033
6
Senary
23324331124
8
Octal
1126646134
10
Decimal
156978268
12
Duodecimal
446a3aa4
16
Hexadecimal
95b4c5c
20
Vigesimal
29125d8
36
Base36
2lgl7g
md5
2659877aaa1a9521e0be7d0714eccef6
sha1
1aaae37358d8bf24b333ed2333ecf5eb76f1eadd
sha256
4caebcd7c4560cd9fe493ed1a52a35306428c320a3ed47c845966aab3e31d3e4
sha512
e5736fe9b983429ddf8922bc7ae3b9758d0391ef87428c90db6e5679b01bfa8500b550da0cfc97cc81f9032600254d74f3a896968e9b4fb6a273d291273d0671
ripemd-160
07937b0ec740415132c565055e5122783410b10a
Diameter
313956536
Circumference
986323547.0441
Area
7.74156810513E+16
Volume
1.6203439369965E+25
Surface area
3.096627242052E+17
Circumference
986323547.0441
Perimeter
627913072
Area
24642176624279824
Diagonal
222000795.60344
Surface area
147853059745678944
Volume
3.8682862062295E+24
Space diagonal
271894335.86016
Perimeter
470934804
Area
1.0670375480585E+16
Altitude
135947167.93008
Surface area
1.0670375480585E+16
Volume
4.5588190133255E+23
Height
74000265.201146