18815562808128

Names of 18815562808128

• Cardinal: 18815562808128 can be written as Eighteen trillion, eight hundred fifteen billion, five hundred sixty-two million, eight hundred eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8815562808128 × 10¹³

Factors of 18815562808128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 776

Divisors of 18815562808128

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 37 43 48 64 72 74 86 96 111 129 144 148 172 192 222 258 288 296 333 344 387 444 516 576 592 666 688 691 774 888 1032 1184 1332 1376 1382 1548 1591 1776 1849 2064 2073 2368 2664 2752 2764 3096 3182 3552 3698 4128 4146 4773 5328 5528 5547 6192 6219 6364 7104 7396 8256 8292 9546 10656 11056 11094 12384 12438 12728 14319 14792 16584 16641 19092 21312 22112 22188 24768 24876 25456 25567 28638 29584 29713 33168 33282 38184 44224 44376 49752 50912 51134 57276 59168 59426 66336 66564 68413 76368 76701 88752 89139 99504 101824 102268 114552 118336 118852 132672 133128 136826 152736 153402 177504 178278 199008 204536 205239 229104 230103 237704 266256 267417 273652 305472 306804 355008 356556 398016 409072 410478 458208 460206 475408 477481 532512 534834 547304 613608 615717 713112 818144 820956 916416 920412 950816 954962 1065024 1069668 1094608 1099381 1227216 1231434 1277659 1426224 1432443 1636288 1641912 1840824 1901632 1909924 2139336 2189216 2198762 2454432 2462868 2555318 2852448 2864886 3283824 3298143 3681648 3819848 3832977 4278672 4297329 4378432 4397524 4908864 4925736 5110636 5704896 5729772 6567648 6596286 7363296 7639696 7665954 8557344 8594658 8795048 9851472 9894429 10221272 11459544 11498931 13135296 13192572 14726592 15279392 15331908 17114688 17189316 17590096 17666797 19702944 19788858 20442544 20531683 22919088 22997862 26385144 30558784 30663816 34378632 35180192 35333594 39405888 39577716 40885088 41063366 45838176 45995724 47273383 52770288 53000391 61327632 61595049 68757264 70360384 70667188 79155432 81770176 82126732 91676352 91991448 94546766 105540576 106000782 122655264 123190098 137514528 141334376 141820149 158310864 159001173 164253464 183982896 184785147 189093532 211081152 212001564 245310528 246380196 275029056 282668752 283640298 316621728 318002346 328506928 367965792 369570294 378187064 424003128 425460447 492760392 565337504 567280596 633243456 636004692 657013856 735931584 739140588 756374128 759672271 848006256 850920894 882862369 985520784 1130675008 1134561192 1272009384 1314027712 1478281176 1512748256 1519344542 1696012512 1701841788 1765724738 1971041568 2269122384 2279016813 2544018768 2648587107 2956562352 3025496512 3038689084 3392025024 3403683576 3531449476 3942083136 4538244768 4558033626 5088037536 5297174214 5913124704 6077378168 6807367152 6837050439 7062898952 7945761321 9076489536 9116067252 10176075072 10594348428 11826249408 12154756336 13614734304 13674100878 14125797904 15891522642 18232134504 21188696856 24309512672 27229468608 27348201756 28251595808 31783045284 32665907653 36464269008 42377393712 48619025344 54696403512 56503191616 63566090568 65331815306 72928538016 84754787424 97997722959 109392807024 127132181136 130663630612 145857076032 169509574848 195995445918 218785614048 254264362272 261327261224 293993168877 391990891836 437571228096 508528724544 522654522448 587986337754 783981783672 1045309044896 1175972675508 1567963567344 2090618089792 2351945351016 3135927134688 4703890702032 6271854269376 9407781404064 18815562808128
• Sum of all divisors σ(n): 56789276256882
• Sum of proper divisors (its aliquot sum) s(n): 37973713448754
• 18815562808128 is an abundant number, because the sum of its proper divisors (37973713448754) is greater than itself. Its abundance is 19158150640626

Bases of 18815562808128

• Binary: 100010001110011010110111011111111101101000000₂
• Hexadecimal: 0x111CD6EFFB40
• Base-36: 6O3R0AJ40

Squares and roots of 18815562808128

• 18815562808128 squared (18815562808128²) is 354025403786609628942864384
• 18815562808128 cubed (18815562808128³) is 6661187220619829754436725493082916913152
• The square root of 18815562808128 is 4337690.9535060241
• The cube root of 18815562808128 is 26597.3930436087

Scales and comparisons

• 18,815,562,808,128 seconds is equal to 598,276 years, 36 weeks, 1 day, 16 hours, 28 minutes, 48 seconds.
• To count from 1 to 18,815,562,808,128 would take you about one million, four hundred ninety-five thousand, six hundred ninety-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 18815562808128 cubic inches would be around 2216.4 feet tall.

Recreational maths with 18815562808128

• 18815562808128 backwards is 82180826551881
• The number of decimal digits it has is: 14
• The sum of 18815562808128's digits is 63
• More coming soon!