20718175816728

Names of 20718175816728

• Cardinal: 20718175816728 can be written as Twenty trillion, seven hundred eighteen billion, one hundred seventy-five million, eight hundred sixteen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.0718175816728 × 10¹³

Factors of 20718175816728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 936

Divisors of 20718175816728

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 104 108 117 156 169 216 234 257 312 338 351 468 507 514 661 676 702 771 936 1014 1028 1322 1352 1404 1521 1542 1983 2028 2056 2197 2313 2644 2808 3042 3084 3341 3966 4056 4394 4563 4626 5288 5949 6084 6168 6591 6682 6939 7932 8593 8788 9126 9252 10023 11898 12168 13182 13364 13878 15864 17186 17576 17847 18252 18504 19773 20046 23796 25779 26364 26728 27756 30069 34372 35694 36504 39546 40092 43433 47592 51558 52728 55512 59319 60138 66049 68744 71388 77337 79092 80184 86866 90207 103116 111709 118638 120276 130299 132098 142776 154674 158184 169877 173732 180414 198147 206232 223418 232011 237276 240552 260598 264196 309348 335127 339754 347464 360828 390897 396294 446836 464022 474552 509631 521196 528392 564629 594441 618696 670254 679508 721656 781794 792588 858637 893672 928044 1005381 1019262 1042392 1129258 1172691 1188882 1340508 1359016 1452217 1528893 1563588 1585176 1693887 1717274 1783323 1856088 2010762 2038524 2208401 2258516 2345382 2377764 2575911 2681016 2904434 3016143 3057786 3127176 3387774 3434548 3566646 4021524 4077048 4356651 4416802 4517032 4586679 4690764 4755528 5081661 5151822 5808868 6032286 6115572 6625203 6775548 6869096 7133292 7727733 8043048 8713302 8833604 9173358 9381528 10163322 10303644 11162281 11617736 12064572 12231144 13069953 13250406 13551096 14266584 15244983 15455466 17426604 17667208 18346716 19875609 20326644 20607288 22324562 23183199 24129144 26139906 26500812 28709213 30489966 30910932 33486843 34853208 36693432 39209859 39751218 40653288 43658389 44649124 46366398 52279812 53001624 57418426 59626827 60979932 61821864 66973686 78419718 79502436 86127639 87316778 89298248 92732796 100460529 104559624 114836852 119253654 121959864 130975167 133947372 145109653 156839436 159004872 172255278 174633556 185465592 200921058 229673704 238507308 258382917 261950334 267894744 290219306 301381587 313678872 344510556 349267112 373219769 392925501 401842116 435328959 477014616 516765834 523900668 567559057 580438612 602763174 689021112 746439538 775148751 785851002 803684232 870657918 1033531668 1047801336 1119659307 1135118114 1160877224 1178776503 1205526348 1305986877 1492879076 1550297502 1571702004 1702677171 1741315836 2067063336 2239318614 2270236228 2357553006 2411052696 2611973754 2985758152 3100595004 3143404008 3358977921 3405354342 3482631672 3917960631 4478637228 4540472456 4715106012 5108031513 5223947508 6201190008 6717955842 6810708684 7378267741 7835921262 8957274456 9430212024 10076933763 10216063026 10447895016 13435911684 13621417368 14756535482 15324094539 15671842524 20153867526 20432126052 22134803223 26871823368 29513070964 30648189078 31343685048 40307735052 40864252104 44269606446 59026141928 61296378156 66404409669 80615470104 88539212892 95917480633 122592756312 132808819338 177078425784 191834961266 199213229007 265617638676 287752441899 383669922532 398426458014 531235277352 575504883798 767339845064 796852916028 863257325697 1151009767596 1593705832056 1726514651394 2302019535192 2589771977091 3453029302788 5179543954182 6906058605576 10359087908364 20718175816728
• Sum of all divisors σ(n): 62682394152000
• Sum of proper divisors (its aliquot sum) s(n): 41964218335272
• 20718175816728 is an abundant number, because the sum of its proper divisors (41964218335272) is greater than itself. Its abundance is 21246042518544

Bases of 20718175816728

• Binary: 100101101011111010011100000101000110000011000₂
• Hexadecimal: 0x12D7D3828C18
• Base-36: 7CDSQYC60

Squares and roots of 20718175816728

• 20718175816728 squared (20718175816728²) is 429242809172852929844625984
• 20718175816728 cubed (20718175816728³) is 8893127988509393299909511632200890660352
• The square root of 20718175816728 is 4551722.2912572335
• The cube root of 20718175816728 is 27465.2678068513

Scales and comparisons

• 20,718,175,816,728 seconds is equal to 658,773 years, 47 weeks, 13 hours, 58 minutes, 48 seconds.
• To count from 1 to 20,718,175,816,728 would take you about one million, six hundred forty-six thousand, nine hundred thirty-four 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 20718175816728 cubic inches would be around 2288.8 feet tall.

Recreational maths with 20718175816728

• 20718175816728 backwards is 82761857181702
• The number of decimal digits it has is: 14
• The sum of 20718175816728's digits is 63
• More coming soon!