21220614144

Names of 21220614144

• Cardinal: 21220614144 can be written as Twenty-one billion, two hundred twenty million, six hundred fourteen thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1220614144 × 10¹⁰

Factors of 21220614144

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 2635

Divisors of 21220614144

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 37 48 54 64 72 74 96 108 111 128 144 148 192 216 222 256 288 296 333 384 432 444 512 576 592 666 768 864 888 999 1024 1152 1184 1332 1536 1728 1776 1998 2048 2304 2368 2593 2664 3072 3456 3552 3996 4096 4608 4736 5186 5328 6144 6912 7104 7779 7992 8192 9216 9472 10372 10656 12288 13824 14208 15558 15984 18432 18944 20744 21312 23337 24576 27648 28416 31116 31968 36864 37888 41488 42624 46674 55296 56832 62232 63936 70011 73728 75776 82976 85248 93348 95941 110592 113664 124464 127872 140022 151552 165952 170496 186696 191882 221184 227328 248928 255744 280044 287823 303104 331904 340992 373392 383764 454656 497856 511488 560088 575646 663808 681984 746784 767528 863469 909312 995712 1022976 1120176 1151292 1327616 1363968 1493568 1535056 1726938 1991424 2045952 2240352 2302584 2590407 2655232 2727936 2987136 3070112 3453876 3982848 4091904 4480704 4605168 5180814 5310464 5974272 6140224 6907752 7965696 8183808 8961408 9210336 10361628 10620928 11948544 12280448 13815504 15931392 17922816 18420672 20723256 21241856 23897088 24560896 27631008 31862784 35845632 36841344 41446512 47794176 49121792 55262016 63725568 71691264 73682688 82893024 95588352 98243584 110524032 143382528 147365376 165786048 191176704 196487168 221048064 286765056 294730752 331572096 392974336 442096128 573530112 589461504 663144192 785948672 884192256 1178923008 1326288384 1768384512 2357846016 2652576768 3536769024 5305153536 7073538048 10610307072 21220614144
• Sum of all divisors σ(n): 64596203040
• Sum of proper divisors (its aliquot sum) s(n): 43375588896
• 21220614144 is an abundant number, because the sum of its proper divisors (43375588896) is greater than itself. Its abundance is 22154974752

Bases of 21220614144

• Binary: 10011110000110110001110000000000000₂
• Hexadecimal: 0x4F0D8E000
• Base-36: 9QY7EO0

Squares and roots of 21220614144

• 21220614144 squared (21220614144²) is 450314464648532852736
• 21220614144 cubed (21220614144³) is 9555949497768444243618230697984
• The square root of 21220614144 is 145672.9698468457
• The cube root of 21220614144 is 2768.5517739049

Scales and comparisons

• 21,220,614,144 seconds is equal to 674 years, 38 weeks, 6 days, 23 hours, 2 minutes, 24 seconds.
• To count from 1 to 21,220,614,144 would take you about one thousand, three hundred forty-nine 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 21220614144 cubic inches would be around 230.7 feet tall.

Recreational maths with 21220614144

• 21220614144 backwards is 44141602212
• 21220614144 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21220614144's digits is 27
• More coming soon!