638769066012

Names of 638769066012

• Cardinal: 638769066012 can be written as Six hundred thirty-eight billion, seven hundred sixty-nine million, sixty-six thousand and twelve.

Scientific notation

• Scientific notation: 6.38769066012 × 10¹¹

Factors of 638769066012

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 6474

Divisors of 638769066012

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 49 54 63 66 77 81 84 98 99 108 126 132 147 154 162 189 196 198 231 243 252 294 297 308 324 343 378 396 441 462 486 539 567 588 594 686 693 729 756 882 891 924 972 1029 1078 1134 1188 1323 1372 1386 1458 1617 1701 1764 1782 2058 2079 2156 2187 2268 2646 2673 2772 2916 3087 3234 3402 3564 3773 3969 4116 4158 4374 4851 5103 5292 5346 6174 6237 6451 6468 6561 6804 7546 7938 8019 8316 8748 9261 9702 10206 10692 11319 11907 12348 12474 12902 13122 14553 15092 15309 15876 16038 18522 18711 19353 19404 20412 22638 23814 24057 24948 25804 26244 27783 29106 30618 32076 33957 35721 37044 37422 38706 43659 45157 45276 45927 47628 48114 55566 56133 58059 58212 61236 67914 70961 71442 72171 74844 77412 83349 87318 90314 91854 96228 101871 107163 111132 112266 116118 130977 135471 135828 141922 142884 144342 166698 168399 174177 174636 180628 183708 203742 212883 214326 224532 232236 250047 261954 270942 283844 288684 305613 316099 321489 333396 336798 348354 392931 406413 407484 425766 428652 496727 500094 505197 522531 523908 541884 611226 632198 638649 642978 673596 696708 750141 785862 812826 851532 916839 948297 993454 1000188 1010394 1045062 1178793 1219239 1222452 1264396 1277298 1285956 1490181 1500282 1567593 1571724 1625652 1833678 1896594 1915947 1986908 2020788 2090124 2212693 2250423 2357586 2438478 2554596 2750517 2844891 2980362 3000564 3135186 3477089 3536379 3657717 3667356 3793188 3831894 4425386 4470543 4500846 4702779 4715172 4876956 5501034 5689782 5747841 5960724 6270372 6638079 6954178 7072758 7315434 7663788 8251551 8534673 8850772 8941086 9001692 9405558 10431267 10973151 11002068 11379564 11495682 13276158 13411629 13908356 14108337 14145516 14630868 16503102 17069346 17243523 17882172 18811116 19914237 20862534 21946302 22991364 24339623 24754653 25604019 26552316 26823258 28216674 31293801 32919453 33006204 34138692 34487046 39828474 40234887 41725068 42325011 43892604 48679246 49509306 51208038 51730569 53646516 56433348 59742711 62587602 65838906 68974092 73018869 76812057 79656948 80469774 84650022 93881403 97358492 98758359 99018612 102416076 103461138 119485422 120704661 125175204 131677812 146037738 153624114 155191707 160939548 169300044 179228133 187762806 197516718 206922276 219056607 230436171 238970844 241409322 281644209 292075476 296275077 307248228 310383414 358456266 362113983 375525612 395033436 438113214 460872342 465575121 482818644 537684399 563288418 592550154 620766828 657169821 691308513 716912532 724227966 844932627 876226428 921744684 931150242 1075368798 1086341949 1126576836 1185100308 1314339642 1382617026 1448455932 1613053197 1689865254 1862300484 1971509463 2073925539 2150737596 2172683898 2534797881 2628679284 2765234052 3226106394 3259025847 3379730508 3943018926 4147851078 4345367796 4839159591 5069595762 5914528389 6452212788 6518051694 7604393643 7886037852 8295702156 9678319182 10139191524 11829056778 13036103388 14517478773 15208787286 17743585167 19356638364 22813180929 23658113556 29034957546 30417574572 35487170334 45626361858 53230755501 58069915092 70974340668 91252723716 106461511002 159692266503 212923022004 319384533006 638769066012
• Sum of all divisors σ(n): 2133402835200
• Sum of proper divisors (its aliquot sum) s(n): 1494633769188
• 638769066012 is an abundant number, because the sum of its proper divisors (1494633769188) is greater than itself. Its abundance is 855864703176

Bases of 638769066012

• Binary: 1001010010111001100110100111000000011100₂
• Hexadecimal: 0x94B99A701C
• Base-36: 85G2LXR0

Squares and roots of 638769066012

• 638769066012 squared (638769066012²) is 408025919693842813584144
• 638769066012 cubed (638769066012³) is 260634335631523291020281889052513728
• The square root of 638769066012 is 799230.2959798259
• The cube root of 638769066012 is 8612.2102832313

Scales and comparisons

• 638,769,066,012 seconds is equal to 20,310 years, 45 weeks, 5 days, 11 hours, 40 minutes, 12 seconds.
• To count from 1 to 638,769,066,012 would take you about forty thousand, six hundred twenty-one 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 638769066012 cubic inches would be around 717.7 feet tall.

Recreational maths with 638769066012

• 638769066012 backwards is 210660967836
• 638769066012 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 638769066012's digits is 54
• More coming soon!