21144820644864

Names of 21144820644864

• Cardinal: 21144820644864 can be written as Twenty-one trillion, one hundred forty-four billion, eight hundred twenty million, six hundred forty-four thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 2.1144820644864 × 10¹³

Factors of 21144820644864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 1272

Divisors of 21144820644864

• Number of divisors d(n): 594
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 32 36 42 48 49 56 62 63 64 72 84 93 96 98 112 124 126 128 144 147 168 186 192 196 217 224 248 252 256 279 288 294 336 372 384 392 434 441 448 496 504 512 558 576 588 651 672 744 768 784 868 882 896 992 1008 1024 1116 1152 1176 1229 1302 1344 1488 1519 1536 1568 1736 1764 1792 1953 1984 2016 2232 2304 2352 2458 2604 2688 2976 3038 3072 3136 3472 3528 3584 3687 3906 3968 4032 4464 4557 4608 4704 4916 5208 5376 5952 6076 6272 6944 7056 7168 7374 7812 7936 8064 8603 8928 9114 9216 9408 9832 10416 10752 11061 11904 12152 12544 13671 13888 14112 14748 15624 15872 16128 17206 17856 18228 18816 19664 20832 21504 22122 23808 24304 25088 25809 27342 27776 28224 29496 31248 31744 32256 34412 35712 36456 37632 38099 39328 41664 44244 47616 48608 50176 51618 54684 55552 56448 58992 60221 62496 64512 68824 71424 72912 75264 76198 77427 78656 83328 88488 95232 97216 103236 109368 111104 112896 114297 117984 120442 124992 137648 142848 145824 150528 152396 154854 157312 166656 176976 180663 194432 206472 218736 222208 225792 228594 235968 240884 249984 266693 275296 285696 291648 304792 309708 314624 333312 342891 353952 361326 388864 412944 437472 451584 457188 471936 481768 499968 533386 541989 550592 583296 609584 619416 629248 666624 685782 707904 722652 777728 800079 825888 874944 914376 943872 963536 999936 1066772 1083978 1101184 1166592 1219168 1238832 1258496 1371564 1415808 1445304 1510441 1555456 1600158 1651776 1749888 1828752 1866851 1887744 1927072 1999872 2133544 2167956 2202368 2333184 2400237 2438336 2477664 2743128 2831616 2890608 3020882 3200316 3303552 3499776 3657504 3733702 3775488 3854144 4267088 4335912 4404736 4531323 4666368 4800474 4876672 4955328 5486256 5600553 5663232 5781216 6041764 6400632 6607104 6999552 7315008 7467404 7708288 8534176 8671824 8809472 9062646 9600948 9753344 9910656 10573087 10972512 11201106 11326464 11562432 12083528 12801264 13214208 13593969 13999104 14630016 14934808 15416576 16801659 17068352 17343648 18125292 19201896 19506688 19821312 21146174 21945024 22402212 23124864 24167056 25602528 26428416 27187938 29260032 29869616 30833152 31719261 33603318 34136704 34687296 36250584 38403792 39013376 39642624 42292348 43890048 44804424 46249728 46823671 48334112 51205056 54375876 58520064 59739232 61666304 63438522 67206636 68273408 69374592 72501168 74011609 76807584 79285248 84584696 87780096 89608848 92499456 93647342 95157783 96668224 102410112 108751752 117040128 119478464 126877044 134413272 136546816 138749184 140471013 145002336 148023218 153615168 169169392 175560192 179217696 184998912 187294684 190315566 193336448 204820224 217503504 222034827 238956928 253754088 268826544 273093632 277498368 280942026 290004672 296046436 307230336 327765697 338338784 351120384 358435392 374589368 380631132 386672896 409640448 421413039 435007008 444069654 477913856 507508176 537653088 554996736 561884052 580009344 592092872 614460672 655531394 666104481 676677568 716870784 749178736 761262264 773345792 819280896 842826078 870014016 888139308 955827712 983297091 1015016352 1075306176 1123768104 1160018688 1184185744 1228921344 1311062788 1332208962 1353355136 1433741568 1498357472 1522524528 1546691584 1685652156 1740028032 1776278616 1911655424 1966594182 2030032704 2150612352 2247536208 2294359879 2320037376 2368371488 2457842688 2622125576 2664417924 2706710272 2867483136 2949891273 2996714944 3045049056 3371304312 3480056064 3552557232 3933188364 4060065408 4301224704 4495072416 4588719758 4640074752 4736742976 5244251152 5328835848 5413420544 5734966272 5899782546 5993429888 6090098112 6742608624 6883079637 6960112128 7105114464 7866376728 8120130816 8602449408 8990144832 9177439516 9473485952 10488502304 10657671696 10826841088 11799565092 11986859776 12180196224 13485217248 13766159274 13920224256 14210228928 15732753456 16240261632 17204898816 17980289664 18354879032 18946971904 20649238911 20977004608 21315343392 23599130184 23973719552 24360392448 26970434496 27532318548 28420457856 31465506912 32480523264 35960579328 36709758064 37893943808 41298477822 41954009216 42630686784 47198260368 47947439104 48720784896 53940868992 55064637096 56840915712 62931013824 71921158656 73419516128 75787887616 82596955644 83908018432 85261373568 94396520736 97441569792 107881737984 110129274192 113681831424 125862027648 143842317312 146839032256 165193911288 167816036864 170522747136 188793041472 215763475968 220258548384 227363662848 251724055296 293678064512 330387822576 335632073728 341045494272 377586082944 431526951936 440517096768 503448110592 587356129024 660775645152 682090988544 755172165888 881034193536 1006896221184 1174712258048 1321551290304 1510344331776 1762068387072 2349424516096 2643102580608 3020688663552 3524136774144 5286205161216 7048273548288 10572410322432 21144820644864
• Sum of all divisors σ(n): 73374188413344
• Sum of proper divisors (its aliquot sum) s(n): 52229367768480
• 21144820644864 is an abundant number, because the sum of its proper divisors (52229367768480) is greater than itself. Its abundance is 31084547123616

Bases of 21144820644864

• Binary: 100110011101100101001100001011111110000000000₂
• Hexadecimal: 0x133B2985FC00
• Base-36: 7HTSO9OG0

Squares and roots of 21144820644864

• 21144820644864 squared (21144820644864²) is 447103440103466824809578496
• 21144820644864 cubed (21144820644864³) is 9453922050689500185452102087794747244544
• The square root of 21144820644864 is 4598349.7740889611
• The cube root of 21144820644864 is 27652.5170370263

Scales and comparisons

• 21,144,820,644,864 seconds is equal to 672,339 years, 46 weeks, 2 days, 10 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,144,820,644,864 would take you about one million, six hundred eighty thousand, eight 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 21144820644864 cubic inches would be around 2304.4 feet tall.

Recreational maths with 21144820644864

• 21144820644864 backwards is 46844602844112
• The number of decimal digits it has is: 14
• The sum of 21144820644864's digits is 54
• More coming soon!