38909138544640

Names of 38909138544640

• Cardinal: 38909138544640 can be written as Thirty-eight trillion, nine hundred nine billion, one hundred thirty-eight million, five hundred forty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 3.890913854464 × 10¹³

Factors of 38909138544640

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 501

Divisors of 38909138544640

• Number of divisors d(n): 1536
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 31 32 35 40 52 56 61 62 64 65 70 71 80 91 104 112 122 124 128 130 140 142 155 160 182 208 217 224 244 248 256 260 280 284 305 310 311 320 355 364 403 416 427 434 448 455 488 496 497 512 520 560 568 610 620 622 640 710 728 793 806 832 854 868 896 910 923 976 992 994 1024 1040 1085 1120 1136 1220 1240 1244 1280 1420 1456 1555 1586 1612 1664 1708 1736 1792 1820 1846 1891 1952 1984 1988 2015 2048 2080 2135 2170 2177 2201 2240 2272 2440 2480 2485 2488 2560 2821 2840 2912 3110 3172 3224 3328 3416 3472 3584 3640 3692 3782 3904 3965 3968 3976 4030 4043 4160 4270 4331 4340 4354 4402 4480 4544 4615 4880 4960 4970 4976 5120 5551 5642 5680 5824 6220 6344 6448 6461 6656 6832 6944 7168 7280 7384 7564 7808 7930 7936 7952 8060 8086 8320 8540 8662 8680 8708 8804 8960 9088 9230 9455 9641 9760 9920 9940 9952 10240 10885 11005 11102 11284 11360 11648 12440 12688 12896 12922 13237 13312 13664 13888 14105 14336 14560 14768 15128 15407 15616 15860 15872 15904 16120 16172 16640 17080 17324 17360 17416 17608 17920 18176 18460 18910 18971 19282 19520 19840 19880 19904 20215 21655 21770 22010 22081 22204 22568 22720 23296 24583 24880 25376 25792 25844 26474 26624 27328 27755 27776 28210 28301 28613 29120 29536 30256 30317 30814 31232 31720 31744 31808 32240 32305 32344 33280 34160 34648 34720 34832 35216 35840 36352 36920 37820 37942 38564 39040 39680 39760 39808 40430 43310 43540 44020 44162 44408 45136 45440 46592 48205 49166 49760 50752 51584 51688 52948 54656 55510 55552 56303 56420 56602 57226 58240 59072 60512 60634 61628 62464 63440 63488 63616 64480 64610 64688 66185 66560 67487 68320 69296 69440 69664 70432 71680 72704 73840 75640 75884 77035 77128 78080 79360 79520 79616 80860 86620 87080 88040 88324 88816 90272 90880 93184 94855 96410 98332 99520 101504 103168 103376 105896 109312 110405 111020 111104 112606 112840 113204 114452 116480 118144 121024 121268 122915 123256 124928 125333 126880 127232 128960 129220 129376 132370 132797 133120 134261 134974 136640 138592 138880 139328 140864 141505 143065 145408 147680 151280 151585 151768 154070 154256 154567 156160 158720 159040 159232 161720 172081 173240 174160 176080 176648 177632 180544 181760 186368 189710 192820 196664 199040 200291 203008 206336 206752 211792 218624 220810 222040 222208 225212 225680 226408 228904 232960 236288 242048 242536 245830 246512 246623 250666 253760 254464 257920 258440 258752 264740 265594 268522 269948 273280 277184 277760 278656 281515 281728 283010 286130 287053 295360 302560 303170 303536 308140 308512 309134 312320 317440 318080 318464 323440 337435 344162 346480 348320 352160 353296 355264 361088 363520 379420 385640 393328 394121 398080 400582 406016 412672 413504 423584 437248 441620 444080 444416 450424 451360 452816 457808 465920 472576 484096 485072 491660 493024 493246 501332 507520 508928 515840 516880 517504 529480 531188 537044 539896 546560 554368 555520 557312 563030 563456 566020 572260 574106 588101 590720 605120 606340 607072 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9623828480 9654873088 9786000640 9805730480 9813149696 9966480160 10287979520 10538769920 10689323776 10856344460 11206549120 11390263040 11691447880 12068591360 12266437120 12510977024 13361654720 13700400896 13792675840 15198882244 15638721280 15657601024 15689168768 15946368256 17125501120 17370151136 17677936640 17872824320 17930478592 18224420864 18706316608 18998602805 19309746176 19572001280 19611460960 19932960320 20575959040 21077539840 21378647552 21712688920 22413098240 22780526080 23382895760 24137182720 24532874240 25021954048 26723309440 27400801792 30397764488 31277442560 31378337536 31892736512 34251002240 34740302272 35860957184 37412633216 37997205610 39144002560 39222921920 39865920640 42155079680 42757295104 43425377840 44826196480 45561052160 46765791520 48274365440 49065748480 53446618880 54801603584 60795528976 62554885120 62756675072 63785473024 68502004480 69480604544 74825266432 75994411220 78288005120 78445843840 79731841280 85514590208 86850755680 89652392960 91122104320 93531583040 96548730880 106893237760 109603207168 121591057952 125109770240 125513350144 127570946048 137004008960 138961209088 149650532864 151988822440 156891687680 159463682560 173701511360 179304785920 187063166080 213786475520 243182115904 251026700288 274008017920 277922418176 299301065728 303977644880 313783375360 318927365120 347403022720 374126332160 427572951040 486364231808 548016035840 555844836352 598602131456 607955289760 627566750720 637854730240 694806045440 748252664320 972728463616 1111689672704 1215910579520 1255133501440 1389612090880 1496505328640 1945456927232 2431821159040 2779224181760 2993010657280 3890913854464 4863642318080 5558448363520 7781827708928 9727284636160 19454569272320 38909138544640
• Sum of all divisors σ(n): 122645590179840
• Sum of proper divisors (its aliquot sum) s(n): 83736451635200
• 38909138544640 is an abundant number, because the sum of its proper divisors (83736451635200) is greater than itself. Its abundance is 44827313090560

Bases of 38909138544640

• Binary: 1000110110001100111101011000011010100000000000₂
• Hexadecimal: 0x23633D61A800
• Base-36: DSIM0HGXS

Squares and roots of 38909138544640

• 38909138544640 squared (38909138544640²) is 1513921062285990137272729600
• 38909138544640 cubed (38909138544640³) is 58905364358134153081225248007304249344000
• The square root of 38909138544640 is 6237719.0177692359
• The cube root of 38909138544640 is 33885.7580190765

Scales and comparisons

• 38,909,138,544,640 seconds is equal to 1,237,190 years, 13 weeks, 16 hours, 10 minutes, 40 seconds.
• To count from 1 to 38,909,138,544,640 would take you about three million, ninety-two thousand, nine hundred seventy-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 38909138544640 cubic inches would be around 2823.8 feet tall.

Recreational maths with 38909138544640

• 38909138544640 backwards is 04644583190983
• 38909138544640 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 38909138544640's digits is 64
• More coming soon!