21427385616

Names of 21427385616

• Cardinal: 21427385616 can be written as Twenty-one billion, four hundred twenty-seven million, three hundred eighty-five thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 2.1427385616 × 10¹⁰

Factors of 21427385616

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 193

Divisors of 21427385616

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 17 18 21 24 26 28 34 36 39 42 48 49 51 52 56 63 68 72 78 84 91 98 102 104 112 117 119 126 136 144 147 151 153 156 168 169 182 196 204 208 221 234 238 252 272 273 294 302 306 312 336 338 343 357 364 392 408 441 442 453 468 476 504 507 546 588 604 612 624 637 663 676 686 714 728 784 816 819 833 882 884 906 936 952 1008 1014 1029 1057 1071 1092 1176 1183 1208 1224 1274 1326 1352 1359 1372 1428 1456 1521 1547 1638 1666 1764 1768 1812 1872 1904 1911 1963 1989 2028 2058 2114 2142 2184 2352 2366 2416 2448 2499 2548 2567 2652 2704 2718 2744 2856 2873 3042 3087 3094 3171 3276 3332 3528 3536 3549 3624 3822 3926 3978 4056 4116 4228 4284 4368 4459 4641 4732 4998 5096 5134 5304 5436 5488 5712 5733 5746 5831 5889 6084 6174 6188 6342 6552 6664 7056 7098 7248 7399 7497 7644 7701 7852 7956 8112 8232 8281 8456 8568 8619 8918 9282 9464 9513 9996 10192 10268 10608 10647 10829 10872 11466 11492 11662 11778 12168 12348 12376 12684 13104 13328 13377 13741 13923 14196 14798 14994 15288 15402 15704 15912 16464 16562 16912 17136 17238 17493 17667 17836 17969 18564 18928 19026 19992 20111 20536 21294 21658 21744 22197 22932 22984 23103 23324 23556 24336 24696 24752 24843 25368 25519 25857 26754 27482 27846 28392 29596 29988 30576 30804 31408 31824 32487 33124 33371 34476 34986 35334 35672 35938 37128 38052 39984 40131 40222 41072 41223 42588 43316 44394 45864 45968 46206 46648 47112 49392 49686 50736 51038 51714 51793 52479 53508 53907 54964 55692 56784 57967 59192 59976 60333 61608 64974 66248 66591 66742 68952 69972 70668 71344 71876 74256 74529 75803 76104 76557 80262 80444 82446 85176 86632 88788 91728 92412 93296 94224 96187 97461 99372 100113 102076 103428 103586 104958 107016 107814 109928 111384 115934 118384 119952 120666 123216 123669 125783 129948 132496 133182 133484 137904 139944 140777 141336 143752 149058 151606 152208 153114 155379 160524 160888 161721 164892 170352 173264 173901 177576 178633 180999 184824 192374 194922 198744 200226 204152 206856 207172 209916 214032 215628 219856 222768 227409 229671 231868 233597 241332 247338 251566 259896 266364 266968 279888 281554 282672 287504 288561 298116 300339 303212 306228 310758 321048 321776 323442 329784 347802 355152 357266 361998 369648 377349 384748 389844 397488 400452 408304 413712 414344 419832 422331 431256 433823 454818 459342 463736 466137 467194 482664 494676 503132 519792 521703 532728 533936 535899 563108 577122 596232 600678 606424 612456 621516 642096 646884 659568 673309 682227 695604 700791 714532 723996 754698 769496 779688 800904 828688 839664 844662 862512 865683 867646 880481 909636 918684 927472 932274 934388 965328 985439 989352 1006264 1043406 1065456 1071798 1126216 1132047 1154244 1192464 1201356 1212848 1224912 1243032 1250431 1266993 1293768 1301469 1346618 1364454 1391208 1401582 1429064 1447992 1509396 1538992 1559376 1601808 1607697 1635179 1689324 1731366 1735292 1760962 1819272 1837368 1864548 1868776 1970878 1978704 2012528 2019927 2086812 2102373 2143596 2252432 2264094 2308488 2402712 2486064 2500862 2533986 2587536 2602938 2641443 2693236 2728908 2782416 2803164 2858128 2895984 2956317 3018792 3036761 3215394 3270358 3378648 3462732 3470584 3521924 3638544 3674736 3729096 3737552 3751293 3904407 3941756 4039854 4173624 4204746 4287192 4528188 4616976 4805424 4905537 5001724 5067972 5205876 5282886 5386472 5457816 5606328 5912634 6037584 6059781 6073522 6430788 6540716 6757296 6925464 6941168 7043848 7458192 7502586 7808814 7883512 7924329 8079708 8347248 8409492 8574384 8753017 8868951 9056376 9110283 9811074 10003448 10135944 10411752 10565772 10772944 10915632 11212656 11253879 11446253 11825268 12119562 12147044 12861576 13081432 13850928 14087696 14716611 15005172 15617628 15767024 15848658 16159416 16818984 17506034 17737902 18112752 18220566 19622148 20006896 20271888 20823504 21131544 21257327 22507758 22892506 23650536 24239124 24294088 25723152 26162864 26259051 27330849 29433222 30010344 31235256 31697316 32318832 33637968 34338759 35012068 35475804 36441132 39244296 42263088 42514654 45015516 45785012 47301072 48478248 48588176 52518102 54661698 58866444 60020688 62470512 63394632 63771981 68677518 70024136 70951608 72882264 78488592 78777153 85029308 90031032 91570024 96956496 103016277 105036204 109323396 117732888 126789264 127543962 137355036 140048272 141903216 145764528 148801289 157554306 170058616 180062064 183140048 191315943 206032554 210072408 218646792 235465776 255087924 274710072 297602578 315108612 340117232 382631886 412065108 420144816 437293584 446403867 510175848 549420144 595205156 630217224 765263772 824130216 892807734 1020351696 1190410312 1260434448 1339211601 1530527544 1648260432 1785615468 2380820624 2678423202 3061055088 3571230936 5356846404 7142461872 10713692808 21427385616
• Sum of all divisors σ(n): 80710905600
• Sum of proper divisors (its aliquot sum) s(n): 59283519984
• 21427385616 is an abundant number, because the sum of its proper divisors (59283519984) is greater than itself. Its abundance is 37856134368

Bases of 21427385616

• Binary: 10011111101001010111111010100010000₂
• Hexadecimal: 0x4FD2BF510
• Base-36: 9UDB8K0

Squares and roots of 21427385616

• 21427385616 squared (21427385616²) is 459132854336763699456
• 21427385616 cubed (21427385616³) is 9838016718848593713714441424896
• The square root of 21427385616 is 146380.9605652319
• The cube root of 21427385616 is 2777.5148855835

Scales and comparisons

• 21,427,385,616 seconds is equal to 681 years, 16 weeks, 6 days, 3 hours, 33 minutes, 36 seconds.
• To count from 1 to 21,427,385,616 would take you about one thousand, three hundred sixty-two 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 21427385616 cubic inches would be around 231.5 feet tall.

Recreational maths with 21427385616

• 21427385616 backwards is 61658372412
• The number of decimal digits it has is: 11
• The sum of 21427385616's digits is 45
• More coming soon!