821384328128

Names of 821384328128

• Cardinal: 821384328128 can be written as Eight hundred twenty-one billion, three hundred eighty-four million, three hundred twenty-eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 8.21384328128 × 10¹¹

Factors of 821384328128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 125

Divisors of 821384328128

• Number of divisors d(n): 840
• Complete list of divisors:
  1 2 4 7 8 13 14 16 17 19 26 28 32 34 38 49 52 56 64 67 68 76 91 98 104 112 119 133 134 136 152 182 196 208 221 224 238 247 266 268 272 304 323 343 361 364 392 416 442 448 469 476 494 532 536 544 608 637 646 686 722 728 784 832 833 871 884 931 938 952 988 1064 1072 1088 1139 1216 1273 1274 1292 1372 1444 1456 1547 1568 1666 1729 1742 1768 1862 1876 1904 1976 2128 2144 2261 2278 2401 2527 2546 2548 2584 2744 2888 2912 3094 3136 3283 3332 3458 3484 3536 3724 3752 3808 3952 4199 4256 4288 4459 4522 4556 4693 4802 5054 5092 5096 5168 5488 5776 5824 5831 6097 6137 6188 6517 6566 6664 6916 6968 7072 7448 7504 7616 7904 7973 8398 8512 8911 8918 9044 9112 9386 9604 10108 10184 10192 10336 10829 10976 11552 11662 12103 12194 12274 12376 13034 13132 13328 13832 13936 14144 14807 14896 15008 15808 15827 15946 16549 16796 17689 17822 17836 18088 18224 18772 19208 20216 20368 20384 20672 21641 21658 21952 22981 23104 23324 24187 24206 24388 24548 24752 26068 26264 26656 27664 27872 29393 29614 29792 30016 31213 31654 31892 32851 33098 33592 35378 35644 35672 36176 36448 37544 38416 40432 40736 40768 40817 42679 42959 43282 43316 45619 45962 46648 48374 48412 48776 49096 49504 52136 52528 53312 55328 55744 55811 58786 59228 59584 62377 62426 63308 63784 65702 66196 67184 70756 71288 71344 72352 72896 75088 75803 76832 79781 80864 81472 81634 84721 85358 85918 86564 86632 91238 91924 93296 96748 96824 97552 98192 99008 103649 104272 105056 110656 110789 111622 115843 117572 118456 123823 124754 124852 126616 127568 131404 132392 134368 141512 142576 142688 144704 150176 151487 151606 153664 159562 160867 161728 163268 169309 169442 170716 171836 173128 173264 182476 183848 186592 193496 193648 195104 196384 205751 207298 208544 210112 221578 223244 229957 231686 235144 236912 247646 249508 249704 253232 255136 262808 264784 268736 281333 283024 285152 285376 298753 300352 300713 302974 303212 314431 319124 321734 326536 338618 338884 341432 343672 346256 346528 364952 367696 373184 386992 387296 390208 390677 392768 411179 411502 414596 417088 436639 443156 446488 459914 463372 470288 473824 495292 499016 499408 506464 510272 525616 529568 530621 558467 562666 566048 570304 593047 597506 601426 605948 606424 628862 638248 643468 653072 677236 677768 682864 687344 692512 693056 725543 729904 735392 773984 774592 775523 781354 810901 822358 823004 829192 866761 873278 886312 892976 919828 926744 940576 947648 990584 998032 998816 1012928 1051232 1059136 1060409 1061242 1116934 1125332 1132096 1185163 1186094 1195012 1202852 1211896 1212848 1257724 1276496 1286936 1306144 1354472 1355536 1365728 1374688 1385024 1440257 1451086 1459808 1470784 1547968 1551046 1562708 1609699 1621802 1644716 1646008 1658384 1733522 1746556 1772624 1785952 1839656 1853488 1881152 1969331 1981168 1996064 1997632 2091271 2102464 2104991 2120818 2122484 2201017 2233868 2250664 2370326 2372188 2390024 2405704 2423792 2425696 2515448 2552992 2573872 2612288 2708944 2711072 2731456 2734739 2749376 2878253 2880514 2902172 2919616 3056473 3102092 3125416 3219398 3243604 3289432 3292016 3316768 3467044 3493112 3545248 3571904 3679312 3706976 3909269 3938662 3962336 3992128 4182542 4209982 4241636 4244968 4402034 4467736 4501328 4740652 4744376 4780048 4811408 4847584 4851392 5030896 5078801 5105984 5147744 5345327 5417888 5422144 5469478 5676307 5756506 5761028 5804344 6112946 6204184 6250832 6438796 6487208 6578864 6584032 6633536 6934088 6986224 7090496 7358624 7413952 7422863 7818538 7877324 7924672 8296141 8365084 8419964 8483272 8489936 8804068 8935472 9002656 9481304 9488752 9560096 9622816 9695168 10061792 10081799 10157602 10295488 10690654 10835776 10938956 11267893 11352614 11513012 11522056 11608688 12225892 12408368 12501664 12877592 12974416 13157728 13168064 13785317 13868176 13972448 14717248 14734937 14845726 15407119 15637076 15754648 16592282 16730168 16839928 16966544 16979872 17608136 17870944 18005312 18962608 18977504 19120192 19245632 20123584 20147771 20163598 20315204 21381308 21877912 22535786 22705228 23026024 23044112 23217376 24451784 24816736 25003328 25755184 25948832 26315456 27364883 27570634 27736352 27944896 29469874 29691452 30814238 31274152 31509296 33184564 33460336 33679856 33933088 33959744 35216272 35551607 35741888 37417289 37925216 37955008 39734149 40295542 40327196 40630408 42762616 43755824 45071572 45410456 46052048 46088224 46434752 48903568 49633472 51510368 51897664 51960041 54729766 55141268 55472704 58072987 58939748 59382904 61628476 62548304 63018592 66369128 66920672 67359712 67866176 70432544 71103214 74834578 75850432 79468298 80591084 80654392 81260816 85525232 87511648 90143144 90820912 92104096 92176448 96497219 97807136 103020736 103920082 107849833 109459532 110282536 116145974 117879496 118765808 123256952 125096608 126037184 132738256 133841344 134719424 140865088 141034397 142206428 149669156 158936596 161182168 161308784 162521632 171050464 175023296 180286288 181641824 184208192 191554181 192994438 195614272 207840164 215699666 218919064 220565072 232291948 235758992 237531616 246513904 250193216 261921023 265476512 282068794 284412856 299338312 317873192 322364336 322617568 325043264 342100928 360572576 363283648 383108362 385988876 415680328 431399332 437838128 441130144 464583896 471517984 475063232 493027808 523842046 530953024 564137588 568825712 598676624 635746384 644728672 645235136 675480533 721145152 754948831 766216724 771977752 831360656 862798664 875676256 882260288 929167792 943035968 986055616 987240779 1047684092 1128275176 1137651424 1197353248 1271492768 1289457344 1350961066 1509897662 1532433448 1543955504 1662721312 1725597328 1751352512 1833447161 1858335584 1974481558 2095368184 2256550352 2275302848 2394706496 2542985536 2701922132 3019795324 3064866896 3087911008 3325442624 3451194656 3666894322 3716671168 3948963116 4190736368 4513100704 5403844264 6039590648 6129733792 6175822016 6902389312 7333788644 7897926232 8381472736 9026201408 10807688528 12079181296 12259467584 12834130127 14667577288 15795852464 16762945472 21615377056 24158362592 25668260254 29335154576 31591704928 43230754112 48316725184 51336520508 58670309152 63183409856 102673041016 117340618304 205346082032 410692164064 821384328128
• Sum of all divisors σ(n): 2322476129232
• Sum of proper divisors (its aliquot sum) s(n): 1501091801104
• 821384328128 is an abundant number, because the sum of its proper divisors (1501091801104) is greater than itself. Its abundance is 679707472976

Bases of 821384328128

• Binary: 1011111100111110010100100011001111000000₂
• Hexadecimal: 0xBF3E5233C0
• Base-36: AHC70RSW

Squares and roots of 821384328128

• 821384328128 squared (821384328128²) is 674672214494285971984384
• 821384328128 cubed (821384328128³) is 554165183609018986393488682747953152
• The square root of 821384328128 is 906302.5588223835
• The cube root of 821384328128 is 9365.1658062579

Scales and comparisons

• 821,384,328,128 seconds is equal to 26,117 years, 25 weeks, 1 hour, 22 minutes, 8 seconds.
• To count from 1 to 821,384,328,128 would take you about fifty-two thousand, two hundred thirty-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 821384328128 cubic inches would be around 780.4 feet tall.

Recreational maths with 821384328128

• 821384328128 backwards is 821823483128
• The number of decimal digits it has is: 12
• The sum of 821384328128's digits is 50
• More coming soon!