643428659016

Names of 643428659016

• Cardinal: 643428659016 can be written as Six hundred forty-three billion, four hundred twenty-eight million, six hundred fifty-nine thousand and sixteen.

Scientific notation

• Scientific notation: 6.43428659016 × 10¹¹

Factors of 643428659016

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 664

Divisors of 643428659016

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 17 18 19 22 24 26 33 34 36 38 39 44 51 52 57 66 68 72 76 78 88 99 102 104 114 117 132 136 143 152 153 156 171 187 198 204 209 221 228 234 247 264 286 289 306 312 323 342 361 374 396 408 418 429 442 456 468 494 561 572 578 599 612 627 646 663 684 722 741 748 792 836 858 867 884 936 969 988 1083 1122 1144 1156 1198 1224 1254 1287 1292 1326 1368 1444 1482 1496 1672 1683 1716 1734 1768 1797 1881 1938 1976 1989 2166 2223 2244 2312 2396 2431 2508 2574 2584 2601 2652 2717 2888 2907 2964 3179 3249 3366 3432 3468 3553 3594 3757 3762 3876 3971 3978 4199 4332 4446 4488 4693 4792 4862 5016 5148 5202 5304 5391 5434 5491 5814 5928 6137 6358 6498 6589 6732 6936 7106 7188 7293 7514 7524 7752 7787 7942 7956 8151 8398 8664 8892 9386 9537 9724 10183 10296 10404 10659 10782 10868 10982 11271 11381 11628 11913 12274 12597 12716 12996 13178 13464 14079 14212 14376 14586 15028 15048 15574 15884 15912 16302 16473 16796 17784 18411 18772 19074 19448 19767 20366 20808 21318 21564 21736 21879 21964 22542 22762 23256 23361 23826 24453 24548 25194 25432 25992 26356 28158 28424 28611 29172 30056 30549 31148 31768 31977 32604 32946 33592 33813 34143 35739 36822 37544 37791 38148 39534 40732 41327 42237 42636 43128 43758 43928 45084 45524 46189 46722 47652 48906 49096 49419 50388 51623 52712 55233 56316 57222 58344 59301 60401 61098 62296 63954 65208 65892 67507 67626 68286 70083 71383 71478 73644 75582 76296 79068 79781 81464 82654 84474 85272 85657 87516 90168 91048 91647 92378 93444 95304 97812 98838 100776 102429 103246 104329 110466 112013 112632 114444 118602 120802 122196 123981 125191 127908 131784 132379 135014 135252 136572 138567 140166 142766 142956 147288 147953 151164 154869 158136 159562 165308 168948 171314 173111 175032 181203 183294 184756 186888 193477 195624 197676 202521 204858 206492 208658 214149 216239 220932 224026 228888 237204 239343 241604 244392 247962 250382 255816 256971 264758 270028 270504 273144 277134 280332 285532 285912 295906 302328 309738 312987 319124 330616 336039 337896 342628 346222 362406 366588 369512 371943 375573 386954 395352 397137 405042 409716 412984 415701 417316 428298 432478 441864 443859 448052 464607 474408 478686 483208 495924 500764 513942 519333 529516 540056 543609 554268 560664 571064 580431 591812 607563 619476 625974 638248 642447 648717 672078 685256 692444 718029 724812 733176 743886 751146 770913 773908 785213 794274 810084 819432 831402 834632 856596 864956 877591 887718 896104 929214 938961 957372 991848 1001528 1008117 1027884 1038666 1059032 1087218 1108536 1126719 1147619 1160862 1183624 1191411 1215126 1238952 1251948 1284894 1297434 1331577 1344156 1356277 1384888 1436058 1449624 1456169 1487772 1502292 1541826 1547816 1557999 1570426 1588548 1620168 1627483 1662804 1713192 1729912 1741293 1755182 1775436 1858428 1877922 1904221 1914744 1946151 2016234 2055768 2077332 2128247 2174436 2250443 2253438 2295238 2321724 2355639 2378629 2382822 2430252 2503896 2515201 2569788 2594868 2632773 2663154 2688312 2712554 2811107 2872116 2912338 2975544 3004584 3083652 3115998 3140852 3177096 3254966 3289109 3325608 3442857 3482586 3510364 3550872 3676063 3716856 3755844 3808442 3892302 4032468 4068831 4154664 4256494 4348872 4368507 4500886 4506876 4590476 4643448 4711278 4757258 4765644 4860504 4882449 5030402 5139576 5189736 5265546 5326308 5425108 5622214 5712663 5744232 5824676 6167304 6231996 6281704 6384741 6509932 6578218 6751329 6885714 6965172 7020728 7066917 7135887 7352126 7511688 7545603 7616884 7784604 7898319 8064936 8137662 8433321 8512988 8737014 9001772 9013752 9180952 9422556 9514516 9531288 9764898 9867327 10060804 10328571 10531092 10652616 10850216 11028189 11244428 11425326 11649352 12206493 12463992 12769482 13019864 13105521 13156436 13502658 13771428 13930344 14133834 14271774 14647347 14704252 14919047 15091206 15233768 15569208 15796638 16275324 16866642 17025976 17137989 17474028 18003544 18845112 19029032 19154223 19529796 19734654 20121608 20253987 20657142 21062184 21407661 22056378 22488856 22636809 22850652 24412986 24754873 25299963 25538964 26211042 26312872 27005316 27542856 27667211 28267668 28543548 29294694 29408504 29601981 29838094 30182412 30922177 31593276 32550648 33084567 33733284 34275978 34948056 36180199 38308446 39059592 39469308 40436693 40507974 41314284 42758417 42815322 44112756 44757141 45273618 45701304 47788819 48825972 49509746 50599926 51077928 52422084 54010632 55334422 56535336 57087096 58589388 59203962 59676188 60364824 61844354 62493071 63186552 66169134 67466568 68551956 72360398 74264619 76616892 78938616 80873386 81015948 82628568 83001633 85516834 85630644 88225512 89514282 90547236 92766531 95577638 97651944 99019492 101199852 104844168 108540597 110668844 117178776 118407924 119352376 121310079 123688708 124986142 128275251 132338268 134271423 137103912 143366457 144720796 148529238 153233784 161746772 162031896 166003266 171033668 171261288 179028564 181094472 185533062 187479213 191155276 198038984 202399704 217081194 221337688 222793857 236815848 242620158 247377416 249004899 249972284 256550502 264676536 268542846 278299593 286732914 289441592 297058476 323493544 325621791 332006532 342067336 358057128 363930237 371066124 374958426 382310552 384825753 430099371 434162388 445587714 470342587 485240316 498009798 499944568 513101004 525677009 537085692 556599186 562437639 573465828 594116952 651243582 664013064 687423781 727860474 742132248 749916852 769651506 812409923 860198742 868324776 891175428 940685174 970480632 996019596 1026202008 1051354018 1074171384 1113198372 1124875278 1146931656 1302487164 1374847562 1411027761 1455720948 1499833704 1539303012 1577031027 1624819846 1720397484 1782350856 1881370348 1992039192 2062271343 2102708036 2226396744 2249750556 2437229769 2604974328 2749695124 2822055522 2911441896 3078606024 3154062054 3249639692 3440794968 3762740696 4124542686 4205416072 4233083283 4499501112 4731093081 4874459538 5499390248 5644111044 6186814029 6308124108 6499279384 7311689307 8249085372 8466166566 8936509153 9462186162 9748919076 11288222088 12373628058 12616248216 14623378614 16498170744 16932333132 17873018306 18924372324 19497838152 24747256116 26809527459 29246757228 33864666264 35746036612 37848744648 49494512232 53619054918 58493514456 71492073224 80428582377 107238109836 160857164754 214476219672 321714329508 643428659016
• Sum of all divisors σ(n): 2299103352000
• Sum of proper divisors (its aliquot sum) s(n): 1655674692984
• 643428659016 is an abundant number, because the sum of its proper divisors (1655674692984) is greater than itself. Its abundance is 1012246033968

Bases of 643428659016

• Binary: 1001010111001111010101100010111101001000₂
• Hexadecimal: 0x95CF562F48
• Base-36: 87L4T6Q0

Squares and roots of 643428659016

• 643428659016 squared (643428659016²) is 414000439243127998088256
• 643428659016 cubed (643428659016³) is 266379747454240829803171169698116096
• The square root of 643428659016 is 802140.0495025791
• The cube root of 643428659016 is 8633.1005725327

Scales and comparisons

• 643,428,659,016 seconds is equal to 20,459 years, 2 weeks, 23 hours, 3 minutes, 36 seconds.
• To count from 1 to 643,428,659,016 would take you about forty thousand, nine hundred eighteen 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 643428659016 cubic inches would be around 719.4 feet tall.

Recreational maths with 643428659016

• 643428659016 backwards is 610956824346
• The number of decimal digits it has is: 12
• The sum of 643428659016's digits is 54
• More coming soon!