21609649152

Names of 21609649152

• Cardinal: 21609649152 can be written as Twenty-one billion, six hundred nine million, six hundred forty-nine thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 2.1609649152 × 10¹⁰

Factors of 21609649152

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 434

Divisors of 21609649152

• Number of divisors d(n): 660
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 49 52 54 56 63 64 72 78 81 84 91 96 98 104 108 112 117 126 128 144 147 156 162 168 182 189 192 196 208 216 224 234 252 256 273 288 294 312 324 336 351 364 378 384 392 409 416 432 441 448 468 504 512 546 567 576 588 624 637 648 672 702 728 756 768 784 818 819 832 864 882 896 936 1008 1024 1053 1092 1134 1152 1176 1227 1248 1274 1296 1323 1344 1404 1456 1512 1536 1568 1636 1638 1664 1728 1764 1792 1872 1911 2016 2106 2184 2268 2304 2352 2454 2457 2496 2548 2592 2646 2688 2808 2863 2912 3024 3072 3136 3272 3276 3328 3456 3528 3584 3681 3744 3822 3969 4032 4212 4368 4536 4608 4704 4908 4914 4992 5096 5184 5292 5317 5376 5616 5726 5733 5824 6048 6272 6544 6552 6656 6912 7056 7168 7362 7371 7488 7644 7938 8064 8424 8589 8736 9072 9216 9408 9816 9828 9984 10192 10368 10584 10634 10752 11043 11232 11452 11466 11648 12096 12544 13088 13104 13312 13824 14112 14724 14742 14976 15288 15876 15951 16128 16848 17178 17199 17472 18144 18816 19632 19656 19968 20041 20384 20736 21168 21268 21504 22086 22464 22904 22932 23296 24192 25088 25767 26176 26208 27648 28224 29448 29484 29952 30576 31752 31902 32256 33129 33696 34356 34398 34944 36288 37219 37632 39264 39312 39936 40082 40768 41472 42336 42536 44172 44928 45808 45864 46592 47853 48384 50176 51534 51597 52352 52416 56448 58896 58968 59904 60123 61152 63504 63804 64512 66258 67392 68712 68796 69888 72576 74438 75264 77301 78528 78624 80164 81536 82944 84672 85072 88344 89856 91616 91728 93184 95706 96768 103068 103194 104704 104832 111657 112896 117792 117936 119808 120246 122304 127008 127608 132516 134784 137424 137592 139776 143559 145152 148876 150528 154602 157056 157248 160328 163072 169344 170144 176688 179712 180369 183232 183456 191412 193536 206136 206388 209408 209664 223314 225792 231903 235584 235872 240492 244608 254016 255216 260533 265032 269568 274848 275184 279552 287118 290304 297752 309204 314112 314496 320656 326144 334971 338688 340288 353376 359424 360738 366464 366912 382824 412272 412776 418816 419328 430677 446628 451584 463806 471168 471744 480984 489216 508032 510432 521066 530064 539136 541107 549696 550368 574236 580608 595504 618408 628224 628992 641312 652288 669942 677376 680576 706752 721476 732928 733824 765648 781599 824544 825552 838656 861354 893256 927612 942336 943488 961968 978432 1004913 1016064 1020864 1042132 1060128 1078272 1082214 1099392 1100736 1148472 1191008 1236816 1256448 1257984 1282624 1339884 1354752 1361152 1413504 1442952 1465856 1467648 1531296 1563198 1623321 1649088 1651104 1722708 1786512 1855224 1884672 1886976 1923936 1956864 2009826 2032128 2041728 2084264 2120256 2164428 2198784 2201472 2296944 2344797 2382016 2473632 2515968 2565248 2679768 2722304 2827008 2885904 2931712 2935296 3014739 3062592 3126396 3246642 3298176 3302208 3445416 3573024 3710448 3769344 3773952 3847872 4019652 4064256 4083456 4168528 4240512 4328856 4397568 4402944 4593888 4689594 4764032 4947264 5130496 5359536 5444608 5654016 5771808 5870592 6029478 6125184 6252792 6493284 6596352 6604416 6890832 7034391 7146048 7420896 7547904 7695744 8039304 8166912 8337056 8481024 8657712 8795136 8805888 9187776 9379188 9528064 9894528 10260992 10719072 11308032 11543616 12058956 12250368 12505584 12986568 13192704 13208832 13781664 14068782 14292096 14841792 15391488 16078608 16333824 16674112 16962048 17315424 17611776 18375552 18758376 19056128 19789056 20521984 21103173 21438144 23087232 24117912 24500736 25011168 25973136 26385408 26417664 27563328 28137564 28584192 29683584 30782976 32157216 33348224 33924096 34630848 36751104 37516752 38112256 39578112 42206346 42876288 46174464 48235824 49001472 50022336 51946272 52835328 55126656 56275128 57168384 59367168 61565952 64314432 66696448 69261696 73502208 75033504 79156224 84412692 85752576 92348928 96471648 100044672 103892544 110253312 112550256 114336768 118734336 128628864 133392896 138523392 147004416 150067008 168825384 171505152 184697856 192943296 200089344 207785088 220506624 225100512 237468672 257257728 266785792 277046784 300134016 337650768 343010304 385886592 400178688 415570176 441013248 450201024 514515456 554093568 600268032 675301536 771773184 800357376 831140352 900402048 1029030912 1200536064 1350603072 1543546368 1662280704 1800804096 2401072128 2701206144 3087092736 3601608192 5402412288 7203216384 10804824576 21609649152
• Sum of all divisors σ(n): 81038232660
• Sum of proper divisors (its aliquot sum) s(n): 59428583508
• 21609649152 is an abundant number, because the sum of its proper divisors (59428583508) is greater than itself. Its abundance is 37818934356

Bases of 21609649152

• Binary: 10100001000000010010001010000000000₂
• Hexadecimal: 0x508091400
• Base-36: 9XDTS00

Squares and roots of 21609649152

• 21609649152 squared (21609649152²) is 466976936472534319104
• 21609649152 cubed (21609649152³) is 10091207759247259120116650999808
• The square root of 21609649152 is 147002.2079834177
• The cube root of 21609649152 is 2785.3679365447

Scales and comparisons

• 21,609,649,152 seconds is equal to 687 years, 6 weeks, 1 day, 16 hours, 19 minutes, 12 seconds.
• To count from 1 to 21,609,649,152 would take you about one thousand, three hundred seventy-four 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 21609649152 cubic inches would be around 232.1 feet tall.

Recreational maths with 21609649152

• 21609649152 backwards is 25194690612
• The number of decimal digits it has is: 11
• The sum of 21609649152's digits is 45
• More coming soon!