121145689440

Names of 121145689440

• Cardinal: 121145689440 can be written as One hundred twenty-one billion, one hundred forty-five million, six hundred eighty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.2114568944 × 10¹¹

Factors of 121145689440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 141058

Divisors of 121145689440

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 599 720 1198 1440 1797 2396 2995 3594 4792 5391 5990 7188 8985 9584 10782 11980 14376 17970 19168 21564 23960 26955 28752 35940 43128 47920 53910 57504 71880 86256 95840 107820 140449 143760 172512 215640 280898 287520 421347 431280 561796 702245 842694 862560 1123592 1264041 1404490 1685388 2106735 2247184 2528082 2808980 3370776 4213470 4494368 5056164 5617960 6320205 6741552 8426940 10112328 11235920 12640410 13483104 16853880 20224656 22471840 25280820 33707760 40449312 50561640 67415520 84128951 101123280 168257902 202246560 252386853 336515804 420644755 504773706 673031608 757160559 841289510 1009547412 1261934265 1346063216 1514321118 1682579020 2019094824 2523868530 2692126432 3028642236 3365158040 3785802795 4038189648 5047737060 6057284472 6730316080 7571605590 8076379296 10095474120 12114568944 13460632160 15143211180 20190948240 24229137888 30286422360 40381896480 60572844720 121145689440
• Sum of all divisors σ(n): 414102780000
• Sum of proper divisors (its aliquot sum) s(n): 292957090560
• 121145689440 is an abundant number, because the sum of its proper divisors (292957090560) is greater than itself. Its abundance is 171811401120

Bases of 121145689440

• Binary: 1110000110100110110001000010101100000₂
• Hexadecimal: 0x1C34D88560
• Base-36: 1JNJ0K80

Squares and roots of 121145689440

• 121145689440 squared (121145689440²) is 14676278069892927513600
• 121145689440 cubed (121145689440³) is 1777967825190331210615016976384000
• The square root of 121145689440 is 348059.8934666275
• The cube root of 121145689440 is 4948.0717509469

Scales and comparisons

• 121,145,689,440 seconds is equal to 3,852 years, 3 weeks, 4 hours, 24 minutes.
• To count from 1 to 121,145,689,440 would take you about seven thousand, seven hundred four 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 121145689440 cubic inches would be around 412.3 feet tall.

Recreational maths with 121145689440

• 121145689440 backwards is 044986541121
• 121145689440 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121145689440's digits is 45
• More coming soon!