121897213488

Names of 121897213488

• Cardinal: 121897213488 can be written as One hundred twenty-one billion, eight hundred ninety-seven million, two hundred thirteen thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 1.21897213488 × 10¹¹

Factors of 121897213488

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 212994

Divisors of 121897213488

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 41 48 72 82 97 123 144 164 194 246 291 328 369 388 492 582 656 738 776 873 984 1164 1476 1552 1746 1968 2328 2952 3492 3977 4656 5904 6984 7954 11931 13968 15908 23862 31816 35793 47724 63632 71586 95448 143172 190896 212851 286344 425702 572688 638553 851404 1277106 1702808 1915659 2554212 3405616 3831318 5108424 7662636 8726891 10216848 15325272 17453782 20646547 26180673 30650544 34907564 41293094 52361346 61939641 69815128 78542019 82586188 104722692 123879282 139630256 157084038 165172376 185818923 209445384 247758564 314168076 330344752 371637846 418890768 495517128 628336152 743275692 846508427 991034256 1256672304 1486551384 1693016854 2539525281 2973102768 3386033708 5079050562 6772067416 7618575843 10158101124 13544134832 15237151686 20316202248 30474303372 40632404496 60948606744 121897213488
• Sum of all divisors σ(n): 353067829296
• Sum of proper divisors (its aliquot sum) s(n): 231170615808
• 121897213488 is an abundant number, because the sum of its proper divisors (231170615808) is greater than itself. Its abundance is 109273402320

Bases of 121897213488

• Binary: 1110001100001101000111101111000110000₂
• Hexadecimal: 0x1C61A3DE30
• Base-36: 1JZYGBW0

Squares and roots of 121897213488

• 121897213488 squared (121897213488²) is 14858930656139049126144
• 121897213488 cubed (121897213488³) is 1811262242394769589142895010230272
• The square root of 121897213488 is 349137.8144629997
• The cube root of 121897213488 is 4958.2824097529

Scales and comparisons

• 121,897,213,488 seconds is equal to 3,875 years, 49 weeks, 4 days, 9 hours, 4 minutes, 48 seconds.
• To count from 1 to 121,897,213,488 would take you about seven thousand, seven hundred fifty-one 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 121897213488 cubic inches would be around 413.2 feet tall.

Recreational maths with 121897213488

• 121897213488 backwards is 884312798121
• The number of decimal digits it has is: 12
• The sum of 121897213488's digits is 54
• More coming soon!