21180293120

Names of 21180293120

• Cardinal: 21180293120 can be written as Twenty-one billion, one hundred eighty million, two hundred ninety-three thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.118029312 × 10¹⁰

Factors of 21180293120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 248

Divisors of 21180293120

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 61 64 70 80 98 112 122 128 140 160 173 196 224 244 245 256 280 305 320 346 392 427 448 488 490 512 560 610 640 692 784 854 865 896 976 980 1024 1120 1211 1220 1280 1384 1568 1708 1730 1792 1952 1960 2048 2135 2240 2422 2440 2560 2768 2989 3136 3416 3460 3584 3904 3920 4096 4270 4480 4844 4880 5120 5536 5978 6055 6272 6832 6920 7168 7808 7840 8192 8477 8540 8960 9688 9760 10240 10553 11072 11956 12110 12544 13664 13840 14336 14945 15616 15680 16954 17080 17920 19376 19520 20480 21106 22144 23912 24220 25088 27328 27680 28672 29890 31232 31360 33908 34160 35840 38752 39040 40960 42212 42385 44288 47824 48440 50176 52765 54656 55360 57344 59780 62464 62720 67816 68320 71680 73871 77504 78080 84424 84770 88576 95648 96880 100352 105530 109312 110720 119560 124928 125440 135632 136640 143360 147742 155008 156160 168848 169540 177152 191296 193760 200704 211060 218624 221440 239120 249856 250880 271264 273280 286720 295484 310016 312320 337696 339080 354304 369355 382592 387520 401408 422120 437248 442880 478240 499712 501760 517097 542528 546560 590968 620032 624640 675392 678160 708608 738710 765184 775040 844240 874496 885760 956480 1003520 1034194 1085056 1093120 1181936 1240064 1249280 1350784 1356320 1417216 1477420 1530368 1550080 1688480 1748992 1771520 1912960 2007040 2068388 2170112 2186240 2363872 2480128 2498560 2585485 2701568 2712640 2954840 3060736 3100160 3376960 3497984 3543040 3825920 4136776 4340224 4372480 4727744 4960256 5170970 5403136 5425280 5909680 6121472 6200320 6753920 7086080 7651840 8273552 8680448 8744960 9455488 9920512 10341940 10806272 10850560 11819360 12242944 12400640 13507840 15303680 16547104 17360896 17489920 18910976 20683880 21612544 21701120 23638720 24485888 24801280 27015680 30607360 33094208 34721792 37821952 41367760 43225088 43402240 47277440 49602560 54031360 61214720 66188416 69443584 75643904 82735520 86450176 86804480 94554880 108062720 122429440 132376832 151287808 165471040 173608960 189109760 216125440 264753664 302575616 330942080 347217920 378219520 432250880 529507328 605151232 661884160 756439040 1059014656 1323768320 1512878080 2118029312 2647536640 3025756160 4236058624 5295073280 10590146560 21180293120
• Sum of all divisors σ(n): 60445012968
• Sum of proper divisors (its aliquot sum) s(n): 39264719848
• 21180293120 is an abundant number, because the sum of its proper divisors (39264719848) is greater than itself. Its abundance is 18084426728

Bases of 21180293120

• Binary: 10011101110011100011010000000000000₂
• Hexadecimal: 0x4EE71A000
• Base-36: 9QA76RK

Squares and roots of 21180293120

• 21180293120 squared (21180293120²) is 448604816649119334400
• 21180293120 cubed (21180293120³) is 9501581511672203692451299328000
• The square root of 21180293120 is 145534.5083476767
• The cube root of 21180293120 is 2766.7971652447

Scales and comparisons

• 21,180,293,120 seconds is equal to 673 years, 24 weeks, 2 days, 6 hours, 45 minutes, 20 seconds.
• To count from 1 to 21,180,293,120 would take you about one thousand, three hundred forty-six 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 21180293120 cubic inches would be around 230.6 feet tall.

Recreational maths with 21180293120

• 21180293120 backwards is 02139208112
• The number of decimal digits it has is: 11
• The sum of 21180293120's digits is 29
• More coming soon!