21003941965824

Names of 21003941965824

• Cardinal: 21003941965824 can be written as Twenty-one trillion, three billion, nine hundred forty-one million, nine hundred sixty-five thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.1003941965824 × 10¹³

Factors of 21003941965824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 689

Divisors of 21003941965824

• Number of divisors d(n): 468
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 53 54 64 72 81 96 106 108 128 144 159 162 192 212 216 243 256 288 318 324 384 424 432 477 486 512 576 631 636 648 768 848 864 954 972 1024 1152 1262 1272 1296 1431 1536 1696 1728 1893 1908 1944 2048 2304 2524 2544 2592 2862 3072 3392 3456 3786 3816 3888 4096 4293 4608 5048 5088 5184 5679 5724 6144 6784 6912 7572 7632 7776 8586 9216 10096 10176 10368 11358 11448 12288 12879 13568 13824 15144 15264 15552 17037 17172 18432 20192 20352 20736 22716 22896 25758 27136 27648 30288 30528 31104 33443 34074 34344 36864 40384 40704 41472 45432 45792 51111 51516 54272 55296 60576 61056 62208 66886 68148 68688 80768 81408 82944 90864 91584 100329 102222 103032 108544 110592 121152 122112 124416 133772 136296 137376 153333 161536 162816 165888 181728 183168 200658 204444 206064 217088 242304 244224 248832 267544 272592 274752 300987 306666 323072 325632 331776 363456 366336 398161 401316 408888 412128 484608 488448 497664 535088 545184 549504 601974 613332 646144 651264 726912 732672 796322 802632 817776 824256 902961 969216 976896 995328 1070176 1090368 1099008 1194483 1203948 1226664 1292288 1453824 1465344 1592644 1605264 1635552 1648512 1805922 1938432 1953792 2140352 2180736 2198016 2388966 2407896 2453328 2584576 2708883 2907648 2930688 3185288 3210528 3271104 3297024 3583449 3611844 3876864 4280704 4361472 4396032 4777932 4815792 4906656 5417766 5815296 5861376 6370576 6421056 6542208 6594048 7166898 7223688 7753728 8126649 8561408 8722944 8792064 9555864 9631584 9813312 10750347 10835532 11630592 12741152 12842112 13084416 13188096 14333796 14447376 16253298 17122816 17445888 17584128 19111728 19263168 19626624 21102533 21500694 21671064 23261184 25482304 25684224 26168832 26376192 28667592 28894752 32251041 32506596 34245632 34891776 38223456 38526336 39253248 42205066 43001388 43342128 50964608 51368448 52337664 52752384 57335184 57789504 63307599 64502082 65013192 68491264 69783552 76446912 77052672 78506496 84410132 86002776 86684256 96753123 101929216 102736896 104675328 114670368 115579008 126615198 129004164 130026384 136982528 152893824 154105344 157012992 168820264 172005552 173368512 189922797 193506246 203858432 205473792 209350656 229340736 231158016 253230396 258008328 260052768 305787648 308210688 314025984 337640528 344011104 346737024 379845594 387012492 407716864 410947584 458681472 462316032 506460792 516016656 520105536 569768391 611575296 616421376 628051968 675281056 688022208 693474048 759691188 774024984 815433728 917362944 924632064 1012921584 1032033312 1040211072 1139536782 1223150592 1232842752 1350562112 1376044416 1386948096 1519382376 1548049968 1630867456 1709305173 1834725888 1849264128 2025843168 2064066624 2080422144 2279073564 2446301184 2701124224 2752088832 2773896192 3038764752 3096099936 3418610346 3669451776 3698528256 4051686336 4128133248 4160844288 4558147128 4892602368 5127915519 5402248448 5504177664 5547792384 6077529504 6192199872 6837220692 7338903552 8103372672 8256266496 8321688576 9116294256 10255831038 10804496896 11008355328 11095584768 12155059008 12384399744 13674441384 14677807104 16206745344 16512532992 16643377152 18232588512 20511662076 21608993792 22016710656 24310118016 24768799488 27348882768 32413490688 33025065984 33286754304 36465177024 41023324152 43217987584 44033421312 48620236032 49537598976 54697765536 64826981376 66050131968 72930354048 82046648304 86435975168 97240472064 99075197952 109395531072 129653962752 132100263936 145860708096 164093296608 194480944128 198150395904 218791062144 259307925504 291721416192 328186593216 388961888256 396300791808 437582124288 583442832384 656373186432 777923776512 875164248576 1166885664768 1312746372864 1750328497152 2333771329536 2625492745728 3500656994304 5250985491456 7001313988608 10501970982912 21003941965824
• Sum of all divisors σ(n): 64206588628728
• Sum of proper divisors (its aliquot sum) s(n): 43202646662904
• 21003941965824 is an abundant number, because the sum of its proper divisors (43202646662904) is greater than itself. Its abundance is 22198704697080

Bases of 21003941965824

• Binary: 100110001101001011100011111111111000000000000₂
• Hexadecimal: 0x131A5C7FF000
• Base-36: 7G12SQO00

Squares and roots of 21003941965824

• 21003941965824 squared (21003941965824²) is 441165578103702557583998976
• 21003941965824 cubed (21003941965824³) is 9266216199809363707473836011972642996224
• The square root of 21003941965824 is 4583005.7785065033
• The cube root of 21003941965824 is 27590.9679391113

Scales and comparisons

• 21,003,941,965,824 seconds is equal to 667,860 years, 20 weeks, 3 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,003,941,965,824 would take you about one million, six hundred sixty-nine thousand, six hundred fifty 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 21003941965824 cubic inches would be around 2299.2 feet tall.

Recreational maths with 21003941965824

• 21003941965824 backwards is 42856914930012
• 21003941965824 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21003941965824's digits is 54
• More coming soon!