138738852864

Names of 138738852864

• Cardinal: 138738852864 can be written as One hundred thirty-eight billion, seven hundred thirty-eight million, eight hundred fifty-two thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.38738852864 × 10¹¹

Factors of 138738852864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 1696

Divisors of 138738852864

• Number of divisors d(n): 440
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 61 64 68 72 81 96 102 108 122 128 136 144 153 162 183 192 204 216 244 256 272 288 306 324 366 384 408 432 459 488 512 544 549 576 612 648 732 768 816 864 918 976 1024 1037 1088 1098 1152 1224 1296 1377 1464 1536 1613 1632 1647 1728 1836 1952 2074 2176 2196 2304 2448 2592 2754 2928 3072 3111 3226 3264 3294 3456 3672 3904 4148 4352 4392 4608 4839 4896 4941 5184 5508 5856 6222 6452 6528 6588 6912 7344 7808 8296 8704 8784 9216 9333 9678 9792 9882 10368 11016 11712 12444 12904 13056 13176 13824 14517 14688 15616 16592 17408 17568 18666 19356 19584 19764 20736 22032 23424 24888 25808 26112 26352 27421 27648 27999 29034 29376 31232 33184 35136 37332 38712 39168 39528 41472 43551 44064 46848 49776 51616 52224 52704 54842 55998 58068 58752 62464 66368 70272 74664 77424 78336 79056 82263 82944 83997 87102 88128 93696 98393 99552 103232 105408 109684 111996 116136 117504 130653 132736 140544 149328 154848 156672 158112 164526 167994 174204 176256 187392 196786 199104 206464 210816 219368 223992 232272 235008 246789 261306 265472 281088 295179 298656 309696 316224 329052 335988 348408 352512 393572 398208 412928 421632 438736 447984 464544 470016 493578 522612 530944 562176 590358 597312 619392 632448 658104 671976 696816 705024 740367 787144 796416 825856 843264 877472 885537 895968 929088 987156 1045224 1061888 1180716 1194624 1238784 1264896 1316208 1343952 1393632 1410048 1480734 1574288 1592832 1651712 1672681 1686528 1754944 1771074 1791936 1858176 1974312 2090448 2221101 2361432 2389248 2477568 2529792 2632416 2656611 2687904 2787264 2961468 3148576 3185664 3345362 3509888 3542148 3583872 3716352 3948624 4180896 4442202 4722864 4778496 4955136 5018043 5059584 5264832 5313222 5375808 5574528 5922936 6297152 6690724 7019776 7084296 7167744 7432704 7897248 7969833 8361792 8884404 9445728 9556992 10036086 10529664 10626444 10751616 11149056 11845872 12594304 13381448 14039552 14168592 14335488 14865408 15054129 15794496 15939666 16723584 17768808 18891456 20072172 21059328 21252888 21503232 22298112 23691744 25188608 26762896 28079104 28337184 28670976 30108258 31588992 31879332 33447168 35537616 37782912 40144344 42118656 42505776 43006464 44596224 45162387 47383488 50377216 53525792 56674368 60216516 63177984 63758664 66894336 71075232 75565824 80288688 84237312 85011552 86012928 90324774 94766976 100754432 107051584 113348736 120433032 126355968 127517328 133788672 135487161 142150464 151131648 160577376 170023104 180649548 189533952 214103168 226697472 240866064 252711936 255034656 270974322 284300928 302263296 321154752 340046208 361299096 379067904 428206336 453394944 481732128 510069312 541948644 568601856 642309504 680092416 722598192 758135808 856412672 906789888 963464256 1020138624 1083897288 1137203712 1284619008 1360184832 1445196384 1712825344 1926928512 2040277248 2167794576 2274407424 2569238016 2720369664 2890392768 3853857024 4080554496 4335589152 5138476032 5780785536 7707714048 8161108992 8671178304 11561571072 15415428096 17342356608 23123142144 34684713216 46246284288 69369426432 138738852864
• Sum of all divisors σ(n): 446139768888
• Sum of proper divisors (its aliquot sum) s(n): 307400916024
• 138738852864 is an abundant number, because the sum of its proper divisors (307400916024) is greater than itself. Its abundance is 168662063160

Bases of 138738852864

• Binary: 10000001001101011110101110010000000000₂
• Hexadecimal: 0x204D7AE400
• Base-36: 1RQHJ400

Squares and roots of 138738852864

• 138738852864 squared (138738852864²) is 19248469294018641002496
• 138738852864 cubed (138738852864³) is 2670510549240074189318530000748544
• The square root of 138738852864 is 372476.6474075925
• The cube root of 138738852864 is 5176.8553841141

Scales and comparisons

• 138,738,852,864 seconds is equal to 4,411 years, 24 weeks, 1 day, 18 hours, 14 minutes, 24 seconds.
• To count from 1 to 138,738,852,864 would take you about eight thousand, eight hundred twenty-two 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 138738852864 cubic inches would be around 431.4 feet tall.

Recreational maths with 138738852864

• 138738852864 backwards is 468258837831
• The number of decimal digits it has is: 12
• The sum of 138738852864's digits is 63
• More coming soon!