9870129072

Names of 9870129072

• Cardinal: 9870129072 can be written as Nine billion, eight hundred seventy million, one hundred twenty-nine thousand and seventy-two.

Scientific notation

• Scientific notation: 9.870129072 × 10⁹

Factors of 9870129072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 66195

Divisors of 9870129072

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 347 432 694 1041 1388 2082 2776 3123 4164 5552 6246 8328 9369 12492 16656 18738 24984 37476 49968 65843 74952 131686 149904 197529 263372 395058 526744 592587 790116 1053488 1185174 1580232 1777761 2370348 3160464 3555522 4740696 7111044 9481392 14222088 22847521 28444176 45695042 68542563 91390084 137085126 182780168 205627689 274170252 365560336 411255378 548340504 616883067 822510756 1096681008 1233766134 1645021512 2467532268 3290043024 4935064536 9870129072
• Sum of all divisors σ(n): 28413002880
• Sum of proper divisors (its aliquot sum) s(n): 18542873808
• 9870129072 is an abundant number, because the sum of its proper divisors (18542873808) is greater than itself. Its abundance is 8672744736

Bases of 9870129072

• Binary: 1001001100010011100011011110110000₂
• Hexadecimal: 0x24C4E37B0
• Base-36: 4J8F4C0

Squares and roots of 9870129072

• 9870129072 squared (9870129072²) is 97419447897939581184
• 9870129072 cubed (9870129072³) is 961542524875642749143702581248
• The square root of 9870129072 is 99348.5232502225
• The cube root of 9870129072 is 2145.0674065569

Scales and comparisons

• 9,870,129,072 seconds is equal to 313 years, 43 weeks, 4 days, 14 hours, 31 minutes, 12 seconds.
• To count from 1 to 9,870,129,072 would take you about six hundred twenty-seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 9870129072 cubic inches would be around 178.8 feet tall.

Recreational maths with 9870129072

• 9870129072 backwards is 2709210789
• The number of decimal digits it has is: 10
• The sum of 9870129072's digits is 45
• More coming soon!