421000138440

Names of 421000138440

• Cardinal: 421000138440 can be written as Four hundred twenty-one billion, one hundred thirty-eight thousand, four hundred forty.

Scientific notation

• Scientific notation: 4.2100013844 × 10¹¹

Factors of 421000138440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1874

Divisors of 421000138440

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 37 40 42 45 49 54 56 60 63 70 72 74 84 90 98 105 108 111 120 126 127 135 140 147 148 168 180 185 189 196 210 216 222 245 252 254 259 270 280 294 296 315 333 360 370 378 381 392 420 441 444 490 504 508 518 540 555 588 630 635 666 735 740 756 762 777 840 882 888 889 945 980 999 1016 1036 1080 1110 1143 1176 1260 1270 1295 1323 1332 1470 1480 1512 1524 1554 1665 1693 1764 1778 1813 1890 1905 1960 1998 2072 2205 2220 2286 2331 2520 2540 2590 2646 2664 2667 2940 3048 3108 3330 3386 3429 3528 3556 3626 3780 3810 3885 3996 4410 4440 4445 4572 4662 4699 4995 5079 5080 5180 5292 5334 5439 5715 5880 6216 6223 6615 6660 6772 6858 6993 7112 7252 7560 7620 7770 7992 8001 8465 8820 8890 9065 9144 9324 9398 9990 10158 10360 10584 10668 10878 11430 11655 11851 12446 13230 13320 13335 13544 13716 13986 14097 14504 15237 15240 15540 16002 16317 16930 17145 17640 17780 18130 18648 18669 18796 19980 20316 21336 21756 22860 23310 23495 23702 24003 24892 25395 26460 26670 27195 27432 27972 28194 30474 31080 31115 32004 32634 32893 33860 34290 34965 35553 35560 36260 37338 37592 39960 40005 40632 42291 43512 45711 45720 46620 46990 47404 48006 48951 49784 50790 52920 53340 54390 55944 56007 56388 59255 60948 62230 62641 64008 65268 65786 67720 68580 69930 70485 71106 72520 74676 76185 80010 81585 82957 84582 91422 93240 93345 93980 94808 96012 97902 98679 101580 106659 106680 108780 112014 112776 118510 120015 121896 124460 125282 126873 130536 131572 137160 139860 140970 142212 149352 152370 160020 163170 164465 165914 168021 169164 177765 182844 186690 187923 187960 192024 195804 197358 203160 211455 213318 215011 217560 224028 228555 230251 237020 240030 244755 248871 248920 250564 253746 263144 279720 280035 281940 284424 296037 304740 313205 319977 320040 326340 328930 331828 336042 338328 355530 365688 373380 375846 391608 394716 414785 422910 426636 430022 438487 448056 457110 460502 474040 480060 489510 493395 497742 501128 507492 533295 560070 563769 563880 592074 609480 626410 634365 639954 645033 652680 657860 663656 672084 690753 711060 746613 746760 751692 789432 829570 840105 845820 853272 860044 876974 888111 914220 921004 939615 960120 979020 986790 995484 1014984 1066590 1075055 1120140 1127538 1151255 1184148 1244355 1252820 1268730 1279908 1290066 1315461 1315720 1344168 1381506 1422120 1480185 1493226 1503384 1505077 1599885 1659140 1680210 1691307 1691640 1720088 1753948 1776222 1828440 1842008 1879230 1935099 1958040 1973580 1990968 2072259 2133180 2150110 2192435 2239839 2240280 2255076 2302510 2368296 2488710 2505640 2537460 2559816 2580132 2630922 2763012 2818845 2960370 2986452 3010154 3069409 3199770 3225165 3318280 3360420 3382614 3453765 3507896 3552444 3733065 3758460 3870198 3946383 3947160 4144518 4266360 4300220 4384870 4440555 4479678 4510152 4515231 4605020 4977420 5074920 5160264 5261844 5526024 5637690 5805297 5920740 5972904 6020308 6138818 6216777 6399540 6450330 6577305 6720840 6765228 6907530 7104888 7466130 7516920 7525385 7740396 7892766 7955407 8289036 8456535 8600440 8769740 8881110 8959356 9030462 9208227 9210040 9675495 9954840 10361295 10523688 10535539 11199195 11275380 11610594 11839149 11841480 12040616 12277636 12433554 12799080 12900660 13154610 13530456 13545693 13815060 14932260 15050770 15347045 15480792 15785532 15910814 16578072 16913070 17539480 17762220 17918712 18060924 18416454 19350990 19731915 20722590 21071078 22398390 22550760 22576155 23221188 23678298 23866221 24555272 24867108 25801320 26309220 27091386 27624681 27630120 29026485 29864520 30101540 30694090 31083885 31571064 31606617 31821628 33826140 35524440 36121848 36832908 38701980 39463830 39777035 40637079 41445180 42142156 44796780 45152310 46041135 46442376 47356596 47732442 49734216 52618440 52677695 54182772 55249362 55687849 58052970 59195745 60203080 61388180 62167770 63213234 63643256 67652280 67728465 71598663 73665816 77403960 78927660 79554070 81274158 82874043 82890360 84284312 89593560 90304620 92082270 94713192 94819851 95464884 105355390 108365544 110498724 111375698 116105940 118391490 119331105 122776360 124335540 126426468 135456930 138123405 143197326 157855320 158033085 159108140 162548316 165748086 167063547 180609240 184164540 189639702 190929768 203185395 210710780 214795989 220997448 222751396 232211880 236782980 238662210 248671080 252852936 270913860 276246810 278439245 284459553 286394652 316066170 318216280 325096632 331496172 334127094 357993315 368329080 379279404 389814943 406370790 414370215 421421560 429591978 445502792 473565960 474099255 477324420 501190641 541827720 552493620 556878490 568919106 572789304 632132340 662992344 668254188 715986630 758558808 779629886 812741580 828740430 835317735 859183956 948198510 954648840 1002381282 1073979945 1104987240 1113756980 1137838212 1169444829 1264264680 1336508376 1422297765 1431973260 1503571923 1559259772 1625483160 1657480860 1670635470 1718367912 1896397020 1949074715 2004762564 2147959890 2227513960 2275676424 2338889658 2505953205 2844595530 2863946520 3007143846 3118519544 3314961720 3341270940 3508334487 3792794040 3898149430 4009525128 4295919780 4677779316 5011906410 5689191060 5847224145 6014287692 6682541880 7016668974 7517859615 7796298860 8591839560 9355558632 10023812820 10525003461 11378382120 11694448290 12028575384 14033337948 15035719230 15592597720 17541672435 20047625640 21050006922 23388896580 28066675896 30071438460 35083344870 42100013844 46777793160 52625017305 60142876920 70166689740 84200027688 105250034610 140333379480 210500069220 421000138440
• Sum of all divisors σ(n): 1690769203200
• Sum of proper divisors (its aliquot sum) s(n): 1269769064760
• 421000138440 is an abundant number, because the sum of its proper divisors (1269769064760) is greater than itself. Its abundance is 848768926320

Bases of 421000138440

• Binary: 110001000000101100100000100111011001000₂
• Hexadecimal: 0x6205904EC8
• Base-36: 5DEKM1U0

Squares and roots of 421000138440

• 421000138440 squared (421000138440²) is 177241116566499165633600
• 421000138440 cubed (421000138440³) is 74618534611756326197890090315584000
• The square root of 421000138440 is 648845.2345821767
• The cube root of 421000138440 is 7494.8120473805

Scales and comparisons

• 421,000,138,440 seconds is equal to 13,386 years, 26 weeks, 18 hours, 54 minutes.
• To count from 1 to 421,000,138,440 would take you about twenty-six thousand, seven hundred seventy-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 421000138440 cubic inches would be around 624.6 feet tall.

Recreational maths with 421000138440

• 421000138440 backwards is 044831000124
• 421000138440 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 421000138440's digits is 27
• More coming soon!