21123482940

Names of 21123482940

• Cardinal: 21123482940 can be written as Twenty-one billion, one hundred twenty-three million, four hundred eighty-two thousand, nine hundred forty.

Scientific notation

• Scientific notation: 2.112348294 × 10¹⁰

Factors of 21123482940

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 205

Divisors of 21123482940

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 17 18 19 20 21 27 28 30 34 35 36 38 42 45 51 54 57 60 63 68 70 73 76 79 81 84 85 90 95 102 105 108 114 119 126 133 135 140 146 153 158 162 170 171 180 189 190 204 210 219 228 237 238 252 255 266 270 285 292 306 315 316 323 324 340 342 357 365 378 380 395 399 405 420 438 459 474 476 510 511 513 532 540 553 567 570 595 612 630 646 657 665 684 711 714 730 756 765 790 798 810 855 876 918 945 948 969 1020 1022 1026 1071 1095 1106 1134 1140 1185 1190 1197 1241 1260 1292 1314 1330 1343 1377 1387 1422 1428 1460 1501 1530 1533 1539 1580 1596 1615 1620 1659 1710 1785 1836 1890 1938 1971 1995 2044 2052 2133 2142 2190 2212 2261 2268 2295 2370 2380 2394 2482 2555 2565 2628 2660 2686 2754 2765 2774 2835 2844 2907 3002 3060 3066 3078 3213 3230 3285 3318 3420 3555 3570 3591 3723 3780 3876 3942 3990 4029 4161 4266 4284 4380 4503 4522 4590 4599 4740 4788 4845 4964 4977 5110 5130 5355 5372 5508 5530 5548 5670 5767 5814 5913 5985 6004 6132 6156 6205 6399 6426 6460 6570 6636 6715 6783 6885 6935 7110 7140 7182 7446 7505 7665 7695 7884 7980 8058 8295 8322 8532 8687 8721 9006 9044 9180 9198 9401 9639 9690 9709 9855 9954 10220 10260 10507 10665 10710 10773 11060 11169 11305 11340 11534 11628 11826 11970 12087 12410 12483 12798 12852 13140 13430 13509 13566 13770 13797 13870 14220 14364 14535 14892 14931 15010 15330 15390 16065 16116 16590 16644 17301 17374 17442 17955 18012 18396 18615 18802 19278 19380 19418 19710 19908 20145 20349 20805 21014 21330 21420 21546 22338 22515 22610 22995 23068 23579 23652 23940 24174 24820 24885 24966 25517 25596 26061 26163 26860 27018 27132 27540 27594 27740 28203 28835 29070 29127 29565 29862 30020 30660 30780 31521 31995 32130 33180 33507 33915 34602 34748 34884 35910 36261 37230 37449 37604 38556 38836 39420 40290 40369 40527 40698 41391 41610 42028 42660 43092 43435 43605 44676 44793 45030 45220 45990 47005 47158 48195 48348 48545 49770 49932 51034 51903 52122 52326 52535 53865 54036 55188 55845 56406 57670 58140 58254 59130 59724 60435 61047 62415 63042 63990 64260 67014 67545 67830 68985 69204 70737 71820 72522 74460 74655 74898 76551 78183 80580 80738 81054 81396 82782 83220 84609 86505 86870 87210 87381 89586 90060 91980 94010 94316 94563 96390 97090 98039 99540 100521 101745 102068 103806 104244 104652 105070 107730 108783 109573 111690 112347 112812 115340 116508 117895 118260 120870 121107 121581 122094 124830 126084 127585 127980 130305 130815 134028 135090 135660 137970 141015 141474 145044 145635 149310 149796 153102 155709 156366 157605 161476 162108 165053 165564 167535 169218 173010 173740 174420 174762 178619 179172 181305 183141 187245 188020 189126 192780 194180 196078 201042 201845 202635 203490 206955 207612 210140 212211 215460 217566 219146 223380 223965 224694 229653 234549 235790 241740 242214 243162 244188 249660 253827 255170 259515 260610 261630 262143 270180 275940 282030 282948 283689 291270 294117 298620 305235 306204 311418 312732 315210 328719 330106 335070 338436 346020 349524 353685 357238 362610 363321 366282 374490 378252 382755 390915 392156 402084 403690 405270 406980 413910 423045 424422 435132 436905 438292 447930 449388 459306 467127 469098 471580 472815 484428 486324 490195 495159 502605 507654 510340 519030 521220 523260 524286 535857 543915 547865 561735 564060 567378 582540 588234 605535 607905 610470 622836 630420 636633 657438 660212 670140 686273 688959 703647 707370 714476 725220 726642 732564 748980 761481 765510 767011 778545 781830 786429 807380 810540 825265 827820 846090 848844 851067 873810 882351 893095 895860 915705 918612 934254 938196 945630 980390 986157 990318 1005210 1015308 1038060 1048572 1061055 1071714 1087830 1089963 1095730 1123470 1134756 1148265 1172745 1176468 1211070 1215810 1220940 1269135 1273266 1310715 1314876 1372546 1377918 1407294 1414740 1418445 1453284 1470585 1485477 1522962 1531020 1534022 1557090 1563660 1572858 1607571 1643595 1650530 1692180 1702134 1747620 1764702 1786190 1816605 1831410 1862741 1868508 1891260 1909899 1960780 1972314 1980636 2010420 2058819 2066877 2122110 2143428 2175660 2179926 2191460 2246940 2296530 2301033 2335635 2345490 2422140 2431620 2475795 2538270 2546532 2621430 2647053 2679285 2745092 2755836 2814588 2836890 2941170 2958471 2970954 3045924 3068044 3114180 3145716 3183165 3215142 3269889 3287190 3301060 3404268 3431365 3444795 3518235 3529404 3572380 3633210 3662820 3725482 3807405 3819798 3835055 3932145 3944628 4117638 4133754 4244220 4255335 4359852 4411755 4456431 4593060 4602066 4671270 4690980 4822713 4930785 4951590 5076540 5242860 5294106 5358570 5449815 5588223 5673780 5882340 5916942 5941908 6176457 6366330 6430284 6539778 6574380 6862730 6889590 6903099 7036470 7266420 7427385 7450964 7614810 7639596 7670110 7864290 7941159 8037855 8235276 8267508 8510670 8823510 8875413 8912862 9204132 9313705 9342540 9549495 9645426 9861570 9903180 10294095 10334385 10588212 10717140 10899630 11176446 11505165 11833884 12352914 12732660 13039187 13079556 13235265 13369293 13725460 13779180 13806198 14072940 14468139 14792355 14854770 15229620 15340220 15728580 15882318 16075710 16349445 16764669 17021340 17647020 17750826 17825724 18529371 18627410 19098990 19290852 19723140 20588190 20668770 20709297 21799260 22282155 22352892 23010330 24113565 24705828 26078374 26470530 26738586 27612396 27941115 28936278 29584710 29709540 30882285 31764636 32151420 32698890 33529338 34515495 35501652 37058742 37254820 38197980 39117561 39705795 41176380 41337540 41418594 44377065 44564310 46020660 48227130 50294007 52156748 52941060 53477172 55588113 55882230 57872556 59169420 61764570 62127891 65195935 65397780 66846465 67058676 69030990 72340695 74117484 78235122 79411590 82837188 83823345 88754130 89128620 92646855 96454260 100588014 103546485 111176226 111764460 117352683 123529140 124255782 130391870 133692930 138061980 144681390 150882021 156470244 158823180 167646690 177508260 185293710 195587805 201176028 207092970 222352452 234705366 248511564 251470035 260783740 267385860 277940565 289362780 301764042 310639455 335293380 352058049 370587420 391175610 414185940 469410732 502940070 555881130 586763415 603528084 621278910 704116098 754410105 782351220 1005880140 1056174147 1111762260 1173526830 1242557820 1408232196 1508820210 1760290245 2112348294 2347053660 3017640420 3520580490 4224696588 5280870735 7041160980 10561741470 21123482940
• Sum of all divisors σ(n): 86646067200
• Sum of proper divisors (its aliquot sum) s(n): 65522584260
• 21123482940 is an abundant number, because the sum of its proper divisors (65522584260) is greater than itself. Its abundance is 44399101320

Bases of 21123482940

• Binary: 10011101011000011101100010100111100₂
• Hexadecimal: 0x4EB0EC53C
• Base-36: 9PCDJR0

Squares and roots of 21123482940

• 21123482940 squared (21123482940²) is 446201531516471043600
• 21123482940 cubed (21123482940³) is 9425330438790048418488596184000
• The square root of 21123482940 is 145339.1995987319
• The cube root of 21123482940 is 2764.3212318185

Scales and comparisons

• 21,123,482,940 seconds is equal to 671 years, 34 weeks, 2 days, 18 hours, 9 minutes.
• To count from 1 to 21,123,482,940 would take you about one thousand, three hundred forty-three 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 21123482940 cubic inches would be around 230.4 feet tall.

Recreational maths with 21123482940

• 21123482940 backwards is 04928432112
• 21123482940 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21123482940's digits is 36
• More coming soon!