121988550

Names of 121988550

• Cardinal: 121988550 can be written as One hundred twenty-one million, nine hundred eighty-eight thousand, five hundred fifty.

Scientific notation

• Scientific notation: 1.2198855 × 10⁸

Factors of 121988550

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1913

Divisors of 121988550

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 10 15 19 23 25 30 38 46 50 57 69 75 95 114 115 138 150 190 230 285 345 437 475 570 575 690 874 950 1150 1311 1425 1725 1861 2185 2622 2850 3450 3722 4370 5583 6555 9305 10925 11166 13110 18610 21850 27915 32775 35359 42803 46525 55830 65550 70718 85606 93050 106077 128409 139575 176795 212154 214015 256818 279150 353590 428030 530385 642045 813257 883975 1060770 1070075 1284090 1626514 1767950 2140150 2439771 2651925 3210225 4066285 4879542 5303850 6420450 8132570 12198855 20331425 24397710 40662850 60994275 121988550
• Sum of all divisors σ(n): 332478720
• Sum of proper divisors (its aliquot sum) s(n): 210490170
• 121988550 is an abundant number, because the sum of its proper divisors (210490170) is greater than itself. Its abundance is 88501620

Bases of 121988550

• Binary: 111010001010110010111000110₂
• Hexadecimal: 0x74565C6
• Base-36: 20MMYU

Squares and roots of 121988550

• 121988550 squared (121988550²) is 14881206331102500
• 121988550 cubed (121988550³) is 1815336782582013876375000
• The square root of 121988550 is 11044.8426878793
• The cube root of 121988550 is 495.9520499735

Scales and comparisons

• 121,988,550 seconds is equal to 3 years, 45 weeks, 4 days, 21 hours, 42 minutes, 30 seconds.
• To count from 1 to 121,988,550 would take you about five 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 121988550 cubic inches would be around 41.3 feet tall.

Recreational maths with 121988550

• 121988550 backwards is 055889121
• The number of decimal digits it has is: 9
• The sum of 121988550's digits is 39
• More coming soon!