20818508970

Names of 20818508970

• Cardinal: 20818508970 can be written as Twenty billion, eight hundred eighteen million, five hundred eight thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 2.081850897 × 10¹⁰

Factors of 20818508970

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 179365

Divisors of 20818508970

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 79 98 105 147 158 210 237 245 294 395 474 490 553 735 790 1106 1185 1470 1659 2370 2765 3318 3871 5530 7742 8295 11613 16590 19355 23226 38710 58065 116130 179269 358538 537807 896345 1075614 1254883 1792690 2509766 2689035 3764649 5378070 6274415 7529298 8784181 12548830 14162251 17568362 18823245 26352543 28324502 37646490 42486753 43920905 52705086 70811255 84973506 87841810 99135757 131762715 141622510 198271514 212433765 263525430 297407271 424867530 495678785 594814542 693950299 991357570 1387900598 1487036355 2081850897 2974072710 3469751495 4163701794 6939502990 10409254485 20818508970
• Sum of all divisors σ(n): 58857926400
• Sum of proper divisors (its aliquot sum) s(n): 38039417430
• 20818508970 is an abundant number, because the sum of its proper divisors (38039417430) is greater than itself. Its abundance is 17220908460

Bases of 20818508970

• Binary: 10011011000111000010011110010101010₂
• Hexadecimal: 0x4D8E13CAA
• Base-36: 9KASWBU

Squares and roots of 20818508970

• 20818508970 squared (20818508970²) is 433410315733970460900
• 20818508970 cubed (20818508970³) is 9022956545798196173961684273000
• The square root of 20818508970 is 144286.2050578641
• The cube root of 20818508970 is 2750.9532329585

Scales and comparisons

• 20,818,508,970 seconds is equal to 661 years, 50 weeks, 23 hours, 9 minutes, 30 seconds.
• To count from 1 to 20,818,508,970 would take you about one thousand, three hundred twenty-three 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 20818508970 cubic inches would be around 229.2 feet tall.

Recreational maths with 20818508970

• 20818508970 backwards is 07980581802
• The number of decimal digits it has is: 11
• The sum of 20818508970's digits is 48
• More coming soon!