400821389020368

Names of 400821389020368

• Cardinal: 400821389020368 can be written as Four hundred trillion, eight hundred twenty-one billion, three hundred eighty-nine million, twenty thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 4.00821389020368 × 10¹⁴

Factors of 400821389020368

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 8333921

Divisors of 400821389020368

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 34 36 37 48 51 54 59 68 72 74 81 102 108 111 118 136 144 148 153 162 177 204 216 222 236 272 296 306 324 333 354 408 432 444 459 472 531 592 612 629 648 666 708 816 888 918 944 999 1003 1062 1224 1258 1296 1332 1377 1416 1593 1776 1836 1887 1998 2006 2124 2183 2448 2516 2664 2754 2832 2997 3009 3186 3672 3774 3996 4012 4248 4366 4779 5032 5328 5508 5661 5994 6018 6372 6549 7344 7548 7992 8024 8496 8732 9027 9558 10064 11016 11322 11988 12036 12744 13098 15096 15984 16048 16983 17464 18054 19116 19647 22032 22644 23976 24072 25488 26196 27081 30192 33966 34928 36108 37111 38232 39294 45288 47952 48144 50949 52392 54162 58941 67932 72216 74222 76464 78588 81243 90576 101898 104784 108324 111333 117882 135864 144432 148444 157176 162486 176823 203796 216648 222666 235764 271728 296888 314352 324972 333999 353646 407592 433296 445332 471528 593776 649944 667998 707292 815184 890664 943056 1001997 1299888 1335996 1414584 1781328 2003994 2671992 2829168 3005991 4007988 5343984 6011982 8015976 8333803 12023964 16031952 16667606 24047928 25001409 33335212 48095856 50002818 66670424 75004227 100005636 133340848 141674651 150008454 200011272 225012681 283349302 300016908 308350711 400022544 425023953 450025362 491694377 566698604 600033816 616701422 675038043 850047906 900050724 925052133 983388754 1133397208 1200067632 1233402844 1275071859 1350076086 1475083131 1700095812 1800101448 1850104266 1966777508 2266794416 2466805688 2550143718 2700152172 2775156399 2950166262 3400191624 3600202896 3700208532 3825215577 3933555016 4425249393 4933611376 5100287436 5241962087 5400304344 5550312798 5900332524 6800383248 7400417064 7650431154 7867110032 8325469197 8358804409 8850498786 10200574872 10483924174 10800608688 11100625596 11475646731 11800665048 13275748179 14800834128 15300862308 15725886261 16650938394 16717608818 17700997572 18192691949 20401149744 20967848348 22201251192 22951293462 23601330096 24976407591 25076413227 26551496358 30601724616 31451772522 33301876788 33435217636 35401995144 36385383898 39827244537 41935696696 44402502384 45902586924 47177658783 49952815182 50152826454 53102992716 54578075847 61203449232 62903545044 66603753576 66870435272 70803990288 72770767796 75229239681 79654489074 83871393392 91805173848 94355317566 99905630364 100305652908 106205985432 109156151694 125807090088 133207507152 133740870544 141532976349 145541535592 150458479362 159308978148 163734227541 183610347696 188710635132 199811260728 200611305816 212411970864 218312303388 225687719043 251614180176 283065952698 291083071184 300916958724 309275763133 318617956296 327468455082 377421270264 399622521456 401222611632 424598929047 436624606776 451375438086 491202682623 566131905396 601833917448 618551526266 637235912592 654936910164 677063157129 754842540528 849197858094 873249213552 902750876172 927827289399 982405365246 1132263810792 1203667834896 1237103052532 1309873820328 1354126314258 1473608047869 1698395716188 1805501752344 1855654578798 1964810730492 2264527621584 2474206105064 2619747640656 2708252628516 2783481868197 2947216095738 3396791432376 3611003504688 3711309157596 3929621460984 4948412210128 5416505257032 5566963736394 5894432191476 6793582864752 7422618315192 7859242921968 8350445604591 10833010514064 11133927472788 11788864382952 14845236630384 16700891209182 22267854945576 23577728765904 25051336813773 33401782418364 44535709891152 50102673627546 66803564836728 100205347255092 133607129673456 200410694510184 400821389020368
• Sum of all divisors σ(n): 1282914454916160
• Sum of proper divisors (its aliquot sum) s(n): 882093065895792
• 400821389020368 is an abundant number, because the sum of its proper divisors (882093065895792) is greater than itself. Its abundance is 481271676875424

Bases of 400821389020368

• Binary: 1011011001000101110000000100000101100110011010000₂
• Hexadecimal: 0x16C8B8082CCD0
• Base-36: 3Y2USY4D00

Squares and roots of 400821389020368

• 400821389020368 squared (400821389020368²) is 160657785896217181102718855424
• 400821389020368 cubed (400821389020368³) is 64395076899858658158390474852238041583276032
• The square root of 400821389020368 is 20020524.1944452593
• The cube root of 400821389020368 is 73731.0292077799

Scales and comparisons

• 400,821,389,020,368 seconds is equal to 12,744,880 years, 18 weeks, 23 hours, 52 minutes, 48 seconds.
• To count from 1 to 400,821,389,020,368 would take you about thirty-one million, eight hundred sixty-two thousand, two hundred 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 400821389020368 cubic inches would be around 6144.3 feet tall.

Recreational maths with 400821389020368

• 400821389020368 backwards is 863020983128004
• 400821389020368 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 400821389020368's digits is 54
• More coming soon!