428721729930

Names of 428721729930

• Cardinal: 428721729930 can be written as Four hundred twenty-eight billion, seven hundred twenty-one million, seven hundred twenty-nine thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 4.2872172993 × 10¹¹

Factors of 428721729930

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 293

Divisors of 428721729930

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 17 18 26 27 30 34 39 45 51 54 65 67 73 78 85 90 102 113 117 130 134 135 146 153 169 170 195 201 219 221 226 234 255 270 306 335 338 339 351 365 390 402 438 442 459 507 510 565 585 603 657 663 670 678 702 730 765 845 871 918 949 1005 1014 1017 1095 1105 1130 1139 1170 1206 1241 1314 1326 1469 1521 1530 1690 1695 1742 1755 1809 1898 1921 1971 1989 2010 2034 2190 2210 2278 2295 2482 2535 2613 2847 2873 2938 3015 3042 3051 3285 3315 3390 3417 3510 3618 3723 3842 3942 3978 4355 4407 4563 4590 4745 4891 5070 5085 5226 5694 5695 5746 5763 5967 6030 6102 6205 6570 6630 6834 7345 7446 7571 7605 7839 8249 8541 8619 8710 8814 9045 9126 9490 9605 9782 9855 9945 10170 10251 11169 11323 11390 11526 11934 12337 12410 13065 13221 14235 14365 14673 14690 14807 15142 15210 15255 15678 16133 16498 17082 17085 17238 17289 18090 18615 19097 19210 19710 19890 20502 22035 22338 22646 22713 22815 23517 24455 24674 24747 24973 25623 25857 26130 26442 28470 28730 28815 29346 29614 29835 30510 30753 32266 33507 33969 34170 34578 37011 37230 37855 38194 39195 39663 41245 42705 43095 44019 44070 44421 45426 45630 47034 48399 48910 49494 49946 51246 51255 51714 51867 55845 56615 57291 57630 59670 61506 61685 63583 66105 67014 67938 68139 73365 74022 74035 74241 74919 75710 77571 78390 79326 80665 82490 83147 85410 86190 86445 88038 88842 95485 96798 98423 101907 102510 103734 107237 111033 111690 113230 113565 114582 117585 123370 123735 124865 127166 128115 128707 129285 132057 132210 133263 136278 140233 145197 146730 148070 148482 149838 153765 155142 161330 166294 167535 169845 171873 172890 185055 190749 190970 192491 196846 198315 203814 204417 209729 214474 220095 222066 222105 222723 224757 227130 235170 241995 247470 249441 249730 256230 257414 258570 259335 264114 266526 280466 286455 290394 295269 305721 307530 317915 321711 324649 333099 335070 339690 340695 343746 370110 371205 374595 381498 384982 386121 387855 396630 399789 408834 415735 419458 420699 435591 440190 444210 445446 449514 483990 492115 498882 509535 515619 518670 536185 552683 555165 572247 572910 577473 590538 611442 629187 635830 643422 643535 649298 660285 666198 666315 674271 681390 701165 725985 742410 748323 749190 772242 775710 799578 826579 831470 841398 859365 871182 885807 953745 962455 965133 973947 984230 1019070 1022085 1031238 1048645 1072370 1080911 1105366 1110330 1113615 1123785 1144494 1154946 1158363 1247205 1258374 1262097 1279499 1287070 1320570 1332630 1348542 1394081 1402330 1451970 1476345 1496646 1528605 1608555 1623245 1653158 1658049 1665495 1673191 1716741 1718730 1732419 1771614 1823029 1887561 1907490 1924910 1930266 1930605 1947894 1998945 2044170 2097290 2103495 2161822 2177955 2227230 2244969 2247570 2316726 2479737 2494410 2524194 2558998 2578095 2657421 2763415 2788162 2861235 2887365 2895399 2921841 2952690 3057210 3145935 3217110 3242733 3246490 3316098 3330990 3346382 3371355 3433482 3464838 3475089 3646058 3741615 3775122 3786291 3838497 3861210 3997890 4132895 4182243 4206990 4355910 4429035 4489938 4825665 4869735 4959474 4974147 5019573 5156190 5197257 5314842 5404555 5469087 5526830 5662683 5722470 5774730 5790798 5791815 5843682 6291870 6310485 6397495 6485466 6742710 6950178 6970405 7184879 7439211 7483230 7572582 7676994 8265790 8290245 8364486 8365955 8583705 8662095 8765523 8858070 9115145 9395611 9437805 9651330 9728199 9739470 9948294 10039146 10394514 10809110 10938174 11224845 11325366 11515491 11583630 12398685 12546729 12620970 12794990 13287105 13940810 14051843 14369758 14476995 14609205 14878422 14922441 15058719 16213665 16407261 16580490 16731910 17167410 17324190 17375445 17531046 18230290 18791222 18875610 18931455 19192485 19456398 20911215 21554637 21751483 22317633 22449690 23030982 23699377 24797370 24870735 25093458 25097865 25986285 26574210 27345435 28103686 28186833 28313415 28953990 29184597 29218410 29844882 30117438 32427330 32814522 34546473 34750890 35924395 37196055 37640187 37862910 38384970 41822430 42155529 43109274 43502966 43827615 44635266 45176157 46978055 47398754 48640995 49221783 49741470 50195730 51972570 54690870 56373666 56626830 57577455 58369194 62733645 64663911 65254449 69092946 70259215 71098131 71848790 74392110 74612205 75280374 75293595 82036305 84311058 84560499 87655230 90352314 93403427 93956110 97281990 98443566 107773185 108757415 111588165 115154910 118496885 122142943 125467290 126466587 129327822 130508898 140518430 140934165 142196262 145922985 149224410 150587190 164072610 169120998 172732365 186806854 188200935 193991733 195763347 210777645 213294393 215546370 217514830 223176330 225880785 236993770 244285886 246108915 252933174 253681497 280210281 281868330 291845970 323319555 326272245 345464730 355490655 366428829 376401870 379399761 387983466 391526694 421555290 422802495 426588786 451761570 467017135 492217830 507362994 560420562 587290041 610714715 632332935 639883179 646639110 652544490 710981310 732857658 758799522 840630843 845604990 934034270 969958665 978816735 1066471965 1099286487 1174580082 1221429430 1264665870 1268407485 1279766358 1401051405 1587858259 1681261686 1832144145 1896998805 1939917330 1957633470 2132943930 2198572974 2521892529 2536814970 2802102810 2936450205 3175716518 3199415895 3297859461 3664288290 3793997610 4203154215 4763574777 5043785058 5496432435 5872900410 6398831790 6595718922 7939291295 8406308430 9527149554 10992864870 12609462645 14290724331 15878582590 16489297305 23817873885 25218925290 28581448662 32978594610 42872172993 47635747770 71453621655 85744345986 142907243310 214360864965 428721729930
• Sum of all divisors σ(n): 1360509488640
• Sum of proper divisors (its aliquot sum) s(n): 931787758710
• 428721729930 is an abundant number, because the sum of its proper divisors (931787758710) is greater than itself. Its abundance is 503066028780

Bases of 428721729930

• Binary: 110001111010001110011100111000110001010₂
• Hexadecimal: 0x63D1CE718A
• Base-36: 5GY9UJYI

Squares and roots of 428721729930

• 428721729930 squared (428721729930²) is 183802321714171857804900
• 428721729930 cubed (428721729930³) is 78800049330450161875438700430657000
• The square root of 428721729930 is 654768.4552038225
• The cube root of 428721729930 is 7540.3556808037

Scales and comparisons

• 428,721,729,930 seconds is equal to 13,632 years, 1 week, 2 days, 1 hour, 25 minutes, 30 seconds.
• To count from 1 to 428,721,729,930 would take you about twenty-seven thousand, two hundred sixty-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 428721729930 cubic inches would be around 628.4 feet tall.

Recreational maths with 428721729930

• 428721729930 backwards is 039927127824
• 428721729930 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 428721729930's digits is 54
• More coming soon!