121429895769

Names of 121429895769

• Cardinal: 121429895769 can be written as One hundred twenty-one billion, four hundred twenty-nine million, eight hundred ninety-five thousand, seven hundred sixty-nine.

Scientific notation

• Scientific notation: 1.21429895769 × 10¹¹

Factors of 121429895769

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7626

Divisors of 121429895769

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 9 13 21 27 39 61 63 91 109 117 183 189 273 327 351 427 549 763 793 819 981 1281 1417 1647 2289 2379 2457 2943 3843 4251 5551 6649 6867 7137 7433 9919 11529 12753 16653 19947 20601 21411 22299 29757 38259 46543 49959 52031 59841 66897 86437 89271 96629 139629 149877 156093 179523 200691 259311 267813 289887 418887 453413 468279 605059 676403 777933 810197 869661 1256661 1360239 1404837 1815177 2029209 2333799 2430591 2608983 3173891 4080717 5445531 5671379 5894369 6087627 7291773 9521673 10532561 12242151 16336593 17014137 17683107 18262881 21875319 28565019 31597683 41260583 49422017 51042411 53049321 73727927 85695057 94793049 123781749 148266051 153127233 159147963 221183781 284379147 345954119 371345247 444798153 642486221 663551343 1037862357 1114035741 1334394459 1927458663 1990654029 3113587071 4497403547 5782375989 9340761213 13492210641 17347127967 40476631923 121429895769
• Sum of all divisors σ(n): 227135462400
• Sum of proper divisors (its aliquot sum) s(n): 105705566631
• 121429895769 is a deficient number, because the sum of its proper divisors (105705566631) is less than itself. Its deficiency is 15724329138

Bases of 121429895769

• Binary: 1110001000101110010010010101001011001₂
• Hexadecimal: 0x1C45C92A59
• Base-36: 1JS88389

Squares and roots of 121429895769

• 121429895769 squared (121429895769²) is 14745219586470204101361
• 121429895769 cubed (121429895769³) is 1790510477476094166652422541041609
• The square root of 121429895769 is 348467.9264566539
• The cube root of 121429895769 is 4951.9381013041

Scales and comparisons

• 121,429,895,769 seconds is equal to 3,861 years, 4 weeks, 6 days, 14 hours, 36 minutes, 9 seconds.
• To count from 1 to 121,429,895,769 would take you about seven thousand, seven hundred twenty-two 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 121429895769 cubic inches would be around 412.7 feet tall.

Recreational maths with 121429895769

• 121429895769 backwards is 967598924121
• 121429895769 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121429895769's digits is 63
• More coming soon!