156931390 is an even 9-digits composite number following 156931389
and preceding 156931391 . In scientific notation, it is written as 1.56931390 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 48913440 positive integers (up to 156931390) that are relatively prime to 156931390.
156931390 has 16 divisors, whose sum is 286146432
The reverse of 156931390 is 093139651
Previous prime number is 77
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred fifty-six million nine hundred thirty-one thousand three hundred ninety
Scientific notation
1.56931390 × 10^8
Engineering notation
1.56931390 × 10^6
Prime Factorization
2 × 5 × 77 × 203807
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
156931390
Product of the distinct prime numbers
The prime factorization of 156931390 is 2 × 5 × 77 × 203807.
Since it has a total of 4 prime factors.
8 , 5 , 85 , 39 , 465 , 477 , 5335 , 2112 , 14390 , 52175 , 161565 , 433236 , 6222709 , 632682 , 13783855 , 42703390 , 139525212 , 256911134 , 3842946516 , 3692285754
n×2
313862780
n×3
470794170
n×4
627725560
n×5
784656950
n÷2
78465695
n÷3
52310463.333333
n÷3
39232847.5
n÷5
31386278
n2
24627461167332100
n3
3.8648217131604E+24
n4
6.0651184354845E+32
n5
9.5180746659521E+40
2 √n
12527.225949906
3 √n
539.39047595423
4 √n
111.92509079695
5 √n
43.565425919764
1 , 2 , 5 , 10 , 77 , 154 , 385 , 770 , 203807 , 407614 , 1019035 , 2038070 , 15693139 , 31386278 , 78465695 , 156931390
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-156931389
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 156931390 can be divided by 16 positive divisors.
The sum of these divisors (counting 156931390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010110101001010100111110
3
Ternary
101221021221101201
4
Quaternary
21112221110332
5
Quinary
310133301030
6
Senary
23323330114
8
Octal
1126512476
10
Decimal
156931390
12
Duodecimal
4468093a
16
Hexadecimal
95a953e
20
Vigesimal
290g89a
36
Base36
2lfl1a
md5
5ee0f6144aa5f13f77d5869d39d0c933
sha1
bf65f6907342274e5a583072e1789f2fd17e892a
sha256
2022bc0db742ca51682642585157abb3068e48ac4ff1f333e89ec497c5f96a97
sha512
c94d3221dc3ffc559129b37b62df78e5a03072339f0abb74a4dd19b3f978d010f63fb0463fd91199bc887191a5f819d703524c786a6bccba81cdd89d9f92d030
ripemd-160
324d74404cd4d776b734b01cb7b4219096dc03dd
Diameter
313862780
Circumference
986029003.88327
Area
7.7369451079858E+16
Volume
1.6188927335332E+25
Surface area
3.0947780431943E+17
Circumference
986029003.88327
Perimeter
627725560
Area
24627461167332100
Diagonal
221934500.10006
Surface area
147764767003992600
Volume
3.8648217131604E+24
Space diagonal
271813140.78241
Perimeter
470794170
Area
1.0664003500812E+16
Altitude
135906570.3912
Surface area
1.0664003500812E+16
Volume
4.5547360690879E+23
Height
73978166.700021