82168321872

Names of 82168321872

• Cardinal: 82168321872 can be written as Eighty-two billion, one hundred sixty-eight million, three hundred twenty-one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 8.2168321872 × 10¹⁰

Factors of 82168321872

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 213

Divisors of 82168321872

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 37 39 42 48 49 52 56 74 78 84 91 98 104 111 112 147 148 151 156 168 169 182 196 208 222 259 273 294 296 302 312 336 338 364 392 444 453 481 507 518 546 588 592 604 624 637 676 728 777 784 888 906 962 1014 1036 1057 1092 1176 1183 1208 1274 1352 1369 1443 1456 1554 1776 1812 1813 1911 1924 1963 2028 2072 2114 2184 2352 2366 2416 2548 2704 2738 2886 3108 3171 3367 3549 3624 3626 3822 3848 3926 4056 4107 4144 4228 4368 4732 5096 5439 5476 5587 5772 5889 6216 6253 6342 6734 7098 7248 7252 7399 7644 7696 7852 8112 8214 8281 8456 9464 9583 10101 10192 10878 10952 11174 11544 11778 12432 12506 12684 13468 13741 14196 14504 14798 15288 15704 16428 16562 16761 16912 17797 18759 18928 19166 20202 21756 21904 22197 22348 23088 23556 23569 24843 25012 25368 25519 26936 27482 28392 28749 29008 29596 30576 31408 32856 33124 33522 35594 37518 38332 39109 40404 41223 43512 43771 44394 44696 47112 47138 49686 50024 50736 51038 53391 53872 54964 56784 57498 59192 65712 66248 67044 67081 70707 71188 72631 75036 76557 76664 78218 80808 82446 87024 87542 88788 89392 94224 94276 96187 99372 100048 102076 106782 109928 114996 117327 118384 124579 131313 132496 134088 134162 141414 142376 145262 150072 153114 153328 156436 161616 164892 175084 177576 178633 188552 192374 198744 201243 204152 206719 213564 217893 219856 229992 231361 234654 249158 262626 268176 268324 273763 282828 284752 288561 290524 300144 306228 306397 312872 329784 350168 355152 357266 373737 377104 384748 397488 402486 408304 413438 427128 435786 459984 462722 469308 498316 508417 525252 535899 536648 547526 565656 577122 581048 612456 612794 620157 625744 659568 694083 700336 714532 747474 769496 804972 821289 826876 854256 871572 872053 919191 925444 938616 944203 996632 1016834 1050504 1071798 1073296 1095052 1131312 1154244 1162096 1224912 1225588 1240314 1250431 1388166 1429064 1447033 1494948 1525251 1538992 1609944 1619527 1642578 1653752 1743144 1744106 1838382 1850888 1877232 1888406 1993264 2033668 2101008 2143596 2190104 2308488 2451176 2480628 2500862 2616159 2687347 2776332 2832609 2858128 2894066 2989896 3050502 3219888 3239054 3285156 3307504 3486288 3488212 3558919 3676764 3701776 3751293 3776812 4067336 4287192 4341099 4380208 4616976 4858581 4902352 4961256 5001724 5232318 5374694 5552664 5665218 5788132 5979792 6101004 6478108 6570312 6609421 6976424 7117838 7353528 7502586 7553624 8062041 8134672 8574384 8682198 9717162 9922512 10003448 10129231 10464636 10676757 10749388 11105328 11330436 11336689 11576264 12202008 12956216 13140624 13218842 13952848 14235676 14707056 15005172 15107248 16124082 17364396 18811429 19434324 19828263 20006896 20258462 20929272 21353514 21498776 22660872 22673378 23152528 24404016 25912432 26437684 28471352 30010344 30387693 32248164 34010067 34728792 34935511 37622858 38868648 39656526 40516924 41858544 42707028 42997552 45321744 45346756 46265947 52875368 56434287 56942704 60020688 60775386 64496328 68020134 69457584 69871022 75245716 77737296 79313052 81033848 85414056 90693512 92531894 104806533 105750736 112868574 121550772 128992656 131680003 136040268 138797841 139742044 150491432 158626104 162067696 170828112 181387024 185063788 209613066 225737148 243101544 244548577 263360006 272080536 277595682 279484088 300982864 317252208 370127576 395040009 419226132 451474296 486203088 489097154 526720012 544161072 555191364 558968176 733645731 740255152 790080018 838452264 902948592 978194308 1053440024 1110382728 1467291462 1580160036 1676904528 1711840039 1956388616 2106880048 2220765456 2934582924 3160320072 3423680078 3912777232 5135520117 5869165848 6320640144 6847360156 10271040234 11738331696 13694720312 20542080468 27389440624 41084160936 82168321872
• Sum of all divisors σ(n): 276621107616
• Sum of proper divisors (its aliquot sum) s(n): 194452785744
• 82168321872 is an abundant number, because the sum of its proper divisors (194452785744) is greater than itself. Its abundance is 112284463872

Bases of 82168321872

• Binary: 1001100100001100111010001011101010000₂
• Hexadecimal: 0x13219D1750
• Base-36: 11QWWAXC

Squares and roots of 82168321872

• 82168321872 squared (82168321872²) is 6751633119260593584384
• 82168321872 cubed (82168321872³) is 554770363305059816287442704846848
• The square root of 82168321872 is 286650.1733332809
• The cube root of 82168321872 is 4347.4521014793

Scales and comparisons

• 82,168,321,872 seconds is equal to 2,612 years, 36 weeks, 2 days, 5 hours, 51 minutes, 12 seconds.
• To count from 1 to 82,168,321,872 would take you about five thousand, two hundred twenty-five 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 82168321872 cubic inches would be around 362.3 feet tall.

Recreational maths with 82168321872

• 82168321872 backwards is 27812386128
• 82168321872 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 82168321872's digits is 48
• More coming soon!