21789023228427

Names of 21789023228427

• Cardinal: 21789023228427 can be written as Twenty-one trillion, seven hundred eighty-nine billion, twenty-three million, two hundred twenty-eight thousand, four hundred twenty-seven.

Scientific notation

• Scientific notation: 2.1789023228427 × 10¹³

Factors of 21789023228427

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 275

Divisors of 21789023228427

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 7 13 17 19 21 39 51 57 79 91 119 133 137 221 237 247 273 289 323 357 399 411 553 663 741 867 959 969 1027 1343 1501 1547 1659 1729 1781 2023 2261 2329 2603 2877 3081 3757 4029 4199 4503 4641 4913 5187 5343 5491 6069 6241 6783 6987 7189 7809 9401 10507 10823 11271 12467 12597 14739 16303 16473 17459 18221 18723 19513 21567 22831 25517 26299 28203 29393 30277 31521 32469 33839 34391 37401 38437 39593 43687 44251 48909 52377 54663 58539 63869 68493 71383 75761 76551 78897 81133 88179 90831 93347 101517 103173 106097 115311 118579 118779 122213 131061 132753 136591 140699 159817 178619 183991 191607 205637 211939 214149 227283 236873 243399 277151 280041 296803 309757 318291 331721 355737 366639 388127 409773 422097 433789 447083 479451 499681 514709 535857 551973 567931 575263 616911 635817 653429 673081 710619 742679 752267 830053 831453 855017 890409 929271 984893 995163 1164381 1213511 1287937 1301367 1341249 1379261 1439459 1499043 1541527 1544127 1703793 1725789 1803649 1960287 2015843 2019243 2077621 2228037 2256801 2322047 2391883 2490159 2565051 2673281 2716889 2954679 3036523 3127847 3495829 3602963 3640533 3863811 4026841 4137783 4318377 4624581 4711567 5045651 5265869 5410947 5639257 5985119 6047529 6232863 6966141 7175649 7374413 8019843 8150667 8494577 8750053 9109569 9383541 9654827 9779471 10487487 10790689 10808889 11115221 12080523 12625543 12788539 14110901 14134701 14535289 15136953 15797607 16245323 16743181 16917771 17955357 18712967 21894929 22123239 23447437 24470803 25483731 26205959 26250159 28964481 29338413 30662033 32372067 33345663 34269331 35319557 37876629 38365617 39474799 40662011 42332703 43605867 45445777 48735969 50229543 51620891 53173399 56138901 59429093 61250371 65684787 68456297 70342311 73412409 77806547 78617877 89519773 91986099 95867369 101747023 102807993 105958671 113717261 118424397 121986033 136337331 154862673 159520197 164132059 166251007 178287279 183441713 183751113 188958757 205368891 211189199 214634231 233419641 239885317 247099913 268559319 276170491 284634077 287602107 305241069 318120439 341151783 372213793 398606429 416003651 445501303 492396177 498753021 550325139 566876271 582578627 633567597 643902693 671071583 691254187 719655951 741299739 772578209 828511473 853902231 954361317 1010294581 1116641379 1163757049 1195819287 1248010953 1322711299 1336503909 1478324393 1729699391 1747735881 1933193437 2013214749 2073762561 2317734627 2790245003 3030883743 3118509121 3212298869 3491271147 3590216383 3968133897 4078050389 4200698521 4434973179 4694898347 4838779309 5189098173 5408047463 5799580311 7072062067 7573522151 8370735009 9355527363 9636896607 10770649149 12234151167 12602095563 13133829553 14084695041 14516337927 16224142389 21216186201 22486092083 22720566453 25131514681 29404889647 32864288429 39401488659 53014655057 54609080773 61033678511 67458276249 75394544043 79813271899 88214668941 91936806871 98592865287 159043965171 163827242319 183101035533 239439815697 275810420613 382263565411 427235749577 558692903293 1037572534687 1146790696233 1281707248731 1676078709879 3112717604061 7263007742809 21789023228427
• Sum of all divisors σ(n): 40798424217600
• Sum of proper divisors (its aliquot sum) s(n): 19009400989173
• 21789023228427 is a deficient number, because the sum of its proper divisors (19009400989173) is less than itself. Its deficiency is 2779622239254

Bases of 21789023228427

• Binary: 100111101000100100110111111010101001000001011₂
• Hexadecimal: 0x13D126FD520B
• Base-36: 7Q1QLUR63

Squares and roots of 21789023228427

• 21789023228427 squared (21789023228427²) is 474761533248931365820894329
• 21789023228427 cubed (21789023228427³) is 10344590075924583010746525515519995890483
• The square root of 21789023228427 is 4667871.3808787621
• The cube root of 21789023228427 is 27930.5349620481

Scales and comparisons

• 21,789,023,228,427 seconds is equal to 692,823 years, 28 weeks, 20 hours, 20 minutes, 27 seconds.
• To count from 1 to 21,789,023,228,427 would take you about one million, seven hundred thirty-two thousand and fifty-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 21789023228427 cubic inches would be around 2327.5 feet tall.

Recreational maths with 21789023228427

• 21789023228427 backwards is 72482232098712
• 21789023228427 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21789023228427's digits is 57
• More coming soon!