121872213912

Names of 121872213912

• Cardinal: 121872213912 can be written as One hundred twenty-one billion, eight hundred seventy-two million, two hundred thirteen thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.21872213912 × 10¹¹

Factors of 121872213912

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3073

Divisors of 121872213912

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 12 19 24 38 57 76 114 152 167 228 334 456 501 668 751 1002 1336 1502 2004 2131 2253 3004 3173 4008 4262 4506 6008 6346 6393 8524 9012 9519 12692 12786 14269 17048 18024 19038 25384 25572 28538 38076 40489 42807 51144 57076 76152 80978 85614 114152 121467 125417 161956 171228 242934 250834 323912 342456 355877 376251 485868 501668 711754 752502 971736 1003336 1067631 1423508 1505004 1600381 2135262 2382923 2847016 3010008 3200762 4270524 4765846 4801143 6401524 6761663 7148769 8541048 9531692 9602286 12803048 13523326 14297538 19063384 19204572 20284989 27046652 28595076 30407239 38409144 40569978 54093304 57190152 60814478 81139956 91221717 121628956 162279912 182443434 243257912 267263627 364886868 534527254 729773736 801790881 1069054508 1603581762 2138109016 3207163524 5078008913 6414327048 10156017826 15234026739 20312035652 30468053478 40624071304 60936106956 121872213912
• Sum of all divisors σ(n): 323218022400
• Sum of proper divisors (its aliquot sum) s(n): 201345808488
• 121872213912 is an abundant number, because the sum of its proper divisors (201345808488) is greater than itself. Its abundance is 79473594576

Bases of 121872213912

• Binary: 1110001100000001001100110011110011000₂
• Hexadecimal: 0x1C60266798
• Base-36: 1JZJKI3C

Squares and roots of 121872213912

• 121872213912 squared (121872213912²) is 14852836523812286343744
• 121872213912 cubed (121872213912³) is 1810148070030017443018565130966528
• The square root of 121872213912 is 349102.0107533043
• The cube root of 121872213912 is 4957.9434262513

Scales and comparisons

• 121,872,213,912 seconds is equal to 3,875 years, 8 weeks, 2 days, 45 minutes, 12 seconds.
• To count from 1 to 121,872,213,912 would take you about seven thousand, seven hundred fifty 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 121872213912 cubic inches would be around 413.2 feet tall.

Recreational maths with 121872213912

• 121872213912 backwards is 219312278121
• The number of decimal digits it has is: 12
• The sum of 121872213912's digits is 39
• More coming soon!