38645785448509128

Names of 38645785448509128

• Cardinal: 38645785448509128 can be written as Thirty-eight quadrillion, six hundred forty-five trillion, seven hundred eighty-five billion, four hundred forty-eight million, five hundred nine thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 3.8645785448509128 × 10¹⁶

Factors of 38645785448509128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1106

Divisors of 38645785448509128

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 12 24 31 37 62 74 93 111 124 148 186 222 248 296 372 444 744 888 961 1033 1147 1369 1922 2066 2294 2738 2883 3099 3441 3844 4107 4132 4588 5476 5766 6198 6882 7688 8214 8264 9176 10952 11532 12396 13764 16428 23064 24792 27528 29791 32023 32856 35557 38221 42439 50653 59582 64046 71114 76442 84878 89373 96069 101306 106671 114663 119164 127317 128092 142228 151959 152884 169756 178746 192138 202612 213342 229326 238328 254634 256184 284456 303918 305768 339512 357492 384276 405224 426684 458652 509268 607836 714984 768552 853368 917304 992713 1018536 1067089 1102267 1184851 1215672 1315609 1414177 1570243 1985426 2134178 2204534 2369702 2631218 2828354 2978139 3140486 3201267 3306801 3554553 3946827 3970852 4242531 4268356 4409068 4710729 4739404 5262436 5656708 5956278 6280972 6402534 6613602 7109106 7893654 7941704 8485062 8536712 8818136 9421458 9478808 10524872 11313416 11912556 12561944 12805068 13227204 14218212 15787308 16970124 18842916 23825112 25610136 26454408 28436424 30774103 31574616 33079759 33940248 36730381 37685832 39482293 40783879 43839487 48677533 52324549 61548206 66159518 73460762 78964586 81567758 87678974 92322309 97355066 99239277 104649098 110191143 118446879 122351637 123096412 131518461 132319036 146032599 146921524 156973647 157929172 163135516 175357948 184644618 194710132 198478554 209298196 220382286 236893758 244703274 246192824 263036922 264638072 292065198 293843048 313947294 315858344 326271032 350715896 369289236 389420264 396957108 418596392 440764572 473787516 489406548 526073844 584130396 627894588 738578472 793914216 881529144 947575032 978813096 1025472529 1052147688 1138641811 1168260792 1223951083 1255789176 1359024097 1460844841 1509003523 1622061019 2050945058 2277283622 2447902166 2718048194 2921689682 3018007046 3076417587 3244122038 3415925433 3671853249 4077072291 4101890116 4382534523 4527010569 4554567244 4866183057 4895804332 5436096388 5843379364 6036014092 6152835174 6488244076 6831850866 7343706498 8154144582 8203780232 8765069046 9054021138 9109134488 9732366114 9791608664 10872192776 11686758728 12072028184 12305670348 12976488152 13663701732 14687412996 16308289164 17530138092 18108042276 19464732228 24611340696 27327403464 29374825992 31789648399 32616578328 35060276184 36216084552 37942483573 38929464456 42129747007 45286190071 50283891589 54051259117 63579296798 75884967146 84259494014 90572380142 95368945197 100567783178 108102518234 113827450719 126389241021 127158593596 135858570213 150851674767 151769934292 162153777351 168518988028 181144760284 190737890394 201135566356 216205036468 227654901438 252778482042 254317187192 271717140426 301703349534 303539868584 324307554702 337037976056 362289520568 381475780788 402271132712 432410072936 455309802876 505556964084 543434280852 603406699068 648615109404 762951561576 910619605752 1011113928168 1086868561704 1176216990763 1206813398136 1297230218808 1403871892201 1558800639259 1675589032627 2352433981526 2807743784402 3117601278518 3351178065254 3528650972289 4211615676603 4676401917777 4704867963052 5026767097881 5615487568804 6235202557036 6702356130508 7057301944578 8423231353206 9352803835554 9409735926104 10053534195762 11230975137608 12470405114072 13404712261016 14114603889156 16846462706412 18705607671108 20107068391524 28229207778312 33692925412824 37411215342216 40214136783048 43520028658231 51943260011437 87040057316462 103886520022874 130560085974693 155829780034311 174080114632924 207773040045748 261120171949386 311659560068622 348160229265848 415546080091496 522240343898772 623319120137244 1044480687797544 1246638240274488 1610241060354547 3220482120709094 4830723181063641 6440964241418188 9661446362127282 12881928482836376 19322892724254564 38645785448509128
• Sum of all divisors σ(n): 102707399062195200
• Sum of proper divisors (its aliquot sum) s(n): 64061613613686072
• 38645785448509128 is an abundant number, because the sum of its proper divisors (64061613613686072) is greater than itself. Its abundance is 25415828165176944

Bases of 38645785448509128

• Binary: 10001001010011000010001100011001101110010110111011001000₂
• Hexadecimal: 0x894C2319B96EC8
• Base-36: AKISCQRFIKO

Squares and roots of 38645785448509128

• 38645785448509128 squared (38645785448509128²) is 1493496732932199863611397899320384
• 38645785448509128 cubed (38645785448509128³) is 57717354308947132864425250716654208866657220465152
• The square root of 38645785448509128 is 196585313.4100030577
• The cube root of 38645785448509128 is 338091.3395540311

Scales and comparisons

• 38,645,785,448,509,128 seconds is equal to 1,228,816,437 years, 51 weeks, 6 days, 19 hours, 38 minutes, 48 seconds.
• To count from 1 to 38,645,785,448,509,128 would take you about three billion, six hundred eighty-six million, four hundred forty-nine thousand, three hundred thirteen 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 38645785448509128 cubic inches would be around 28174.3 feet tall.

Recreational maths with 38645785448509128

• 38645785448509128 backwards is 82190584458754683
• The number of decimal digits it has is: 17
• The sum of 38645785448509128's digits is 87
• More coming soon!