21043109880

Names of 21043109880

• Cardinal: 21043109880 can be written as Twenty-one billion, forty-three million, one hundred nine thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 2.104310988 × 10¹⁰

Factors of 21043109880

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 55534

Divisors of 21043109880

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 30 36 39 40 45 52 54 60 65 72 78 81 90 104 108 117 120 130 135 156 162 180 195 216 234 243 260 270 312 324 351 360 390 405 468 486 520 540 585 648 702 729 780 810 936 972 1053 1080 1170 1215 1404 1458 1560 1620 1755 1944 2106 2340 2430 2808 2916 3159 3240 3510 3645 4212 4680 4860 5265 5832 6318 7020 7290 8424 9477 9720 10530 12636 14040 14580 15795 18954 21060 25272 29160 31590 37908 42120 47385 55511 63180 75816 94770 111022 126360 166533 189540 222044 277555 333066 379080 444088 499599 555110 666132 721643 832665 999198 1110220 1332264 1443286 1498797 1665330 1998396 2164929 2220440 2497995 2886572 2997594 3330660 3608215 3996792 4329858 4496391 4995990 5773144 5995188 6494787 6661320 7216430 7493985 8659716 8992782 9991980 10824645 11990376 12989574 13489173 14432860 14987970 17319432 17985564 19484361 19983960 21649290 22481955 25979148 26978346 28865720 29975940 32473935 35971128 38968722 40467519 43298580 44963910 51958296 53956692 58453083 59951880 64947870 67445865 77937444 80935038 86597160 89927820 97421805 107913384 116906166 129895740 134891730 155874888 161870076 175359249 179855640 194843610 202337595 233812332 259791480 269783460 292265415 323740152 350718498 389687220 404675190 467624664 526077747 539566920 584530830 701436996 779374440 809350380 876796245 1052155494 1169061660 1402873992 1618700760 1753592490 2104310988 2338123320 2630388735 3507184980 4208621976 5260777470 7014369960 10521554940 21043109880
• Sum of all divisors σ(n): 76450016160
• Sum of proper divisors (its aliquot sum) s(n): 55406906280
• 21043109880 is an abundant number, because the sum of its proper divisors (55406906280) is greater than itself. Its abundance is 34363796400

Bases of 21043109880

• Binary: 10011100110010001000101111111111000₂
• Hexadecimal: 0x4E6445FF8
• Base-36: 9O0IVI0

Squares and roots of 21043109880

• 21043109880 squared (21043109880²) is 442812473421753614400
• 21043109880 cubed (21043109880³) is 9318151534448540890106350272000
• The square root of 21043109880 is 145062.4344204935
• The cube root of 21043109880 is 2760.8107731475

Scales and comparisons

• 21,043,109,880 seconds is equal to 669 years, 5 weeks, 3 days, 12 hours, 18 minutes.
• To count from 1 to 21,043,109,880 would take you about one thousand, three hundred thirty-eight 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 21043109880 cubic inches would be around 230.1 feet tall.

Recreational maths with 21043109880

• 21043109880 backwards is 08890134012
• 21043109880 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21043109880's digits is 36
• More coming soon!