18122104728

Names of 18122104728

• Cardinal: 18122104728 can be written as Eighteen billion, one hundred twenty-two million, one hundred four thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8122104728 × 10¹⁰

Factors of 18122104728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1089

Divisors of 18122104728

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 27 28 36 39 42 43 49 52 54 56 63 72 78 81 84 86 91 98 104 108 117 126 129 147 156 162 168 172 182 189 196 216 234 252 258 273 294 301 312 324 344 351 364 378 387 392 441 468 504 516 546 559 567 588 602 637 648 702 728 756 774 819 882 903 936 1021 1032 1053 1092 1118 1134 1161 1176 1204 1274 1323 1404 1512 1548 1638 1677 1764 1806 1911 2042 2106 2107 2184 2236 2268 2322 2408 2457 2548 2646 2709 2808 3063 3096 3276 3354 3483 3528 3612 3822 3913 3969 4084 4212 4214 4472 4536 4644 4914 5031 5096 5292 5418 5733 6126 6321 6552 6708 6966 7147 7224 7371 7644 7826 7938 8127 8168 8424 8428 9189 9288 9828 10062 10584 10836 11466 11739 12252 12642 13273 13416 13932 14294 14742 15093 15288 15652 15876 16254 16856 17199 18378 18963 19656 20124 21441 21672 22932 23478 24381 24504 25284 26546 27391 27567 27864 28588 29484 30186 31304 31752 32508 34398 35217 36756 37926 39819 40248 42882 43903 45279 45864 46956 48762 50029 50568 51597 53092 54782 55134 56889 57176 58968 60372 64323 65016 68796 70434 73512 75852 79638 82173 82701 85764 87806 90558 92911 93912 97524 100058 103194 105651 106184 109564 110268 113778 119457 120744 128646 131709 137592 140868 150087 151704 159276 164346 165402 170667 171528 175612 181116 185822 192969 195048 200116 206388 211302 219128 220536 227556 238914 246519 257292 263418 278733 281736 300174 307321 316953 318552 328692 330804 341334 351224 358371 362232 371644 385938 395127 400232 412776 422604 450261 455112 477828 493038 514584 526836 557466 570739 578907 600348 614642 633906 650377 657384 661608 682668 716742 739557 743288 771876 790254 836199 845208 900522 921963 955656 986076 1053672 1075113 1114932 1141478 1157814 1185381 1200696 1229284 1267812 1300754 1350783 1365336 1433484 1479114 1543752 1580508 1672398 1712217 1801044 1843926 1951131 1972152 2150226 2151247 2218671 2229864 2282956 2315628 2370762 2458568 2508597 2535624 2601508 2701566 2765889 2866968 2958228 3161016 3344796 3424434 3556143 3602088 3687852 3902262 3995173 4052349 4300452 4302494 4437342 4565912 4631256 4741524 5017194 5136651 5203016 5403132 5531778 5853393 5916456 6453741 6689592 6848868 7112286 7375704 7525791 7804524 7990346 8104698 8297667 8600904 8604988 8874684 9483048 10034388 10273302 10806264 11063556 11706786 11985519 12907482 13697736 14224572 15051582 15409953 15609048 15980692 16209396 16595334 17209976 17560179 17749368 19361223 20068776 20546604 22127112 23413572 23971038 24893001 25814964 27966211 28449144 30103164 30819906 31961384 32418792 33190668 35120358 35956557 38722446 41093208 46229859 46827144 47942076 49786002 51629928 52680537 55932422 58083669 60206328 61639812 66381336 70240716 71913114 77444892 83898633 92459718 95884152 99572004 105361074 107869671 111864844 116167338 123279624 140481432 143826228 154889784 167797266 174251007 184919436 199144008 210722148 215739342 223729688 232334676 251695899 287652456 323609013 335594532 348502014 369838872 421444296 431478684 464669352 503391798 647218026 671189064 697004028 755087697 862957368 1006783596 1294436052 1394008056 1510175394 2013567192 2265263091 2588872104 3020350788 4530526182 6040701576 9061052364 18122104728
• Sum of all divisors σ(n): 65130302160
• Sum of proper divisors (its aliquot sum) s(n): 47008197432
• 18122104728 is an abundant number, because the sum of its proper divisors (47008197432) is greater than itself. Its abundance is 28886092704

Bases of 18122104728

• Binary: 10000111000001010010101111110011000₂
• Hexadecimal: 0x438295F98
• Base-36: 8BPFLI0

Squares and roots of 18122104728

• 18122104728 squared (18122104728²) is 328410679772599953984
• 18122104728 cubed (18122104728³) is 5951492732632727590946028836352
• The square root of 18122104728 is 134618.3669786557
• The cube root of 18122104728 is 2626.6540615259

Scales and comparisons

• 18,122,104,728 seconds is equal to 576 years, 11 weeks, 5 days, 13 hours, 58 minutes, 48 seconds.
• To count from 1 to 18,122,104,728 would take you about one thousand, one hundred fifty-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 18122104728 cubic inches would be around 218.9 feet tall.

Recreational maths with 18122104728

• 18122104728 backwards is 82740122181
• 18122104728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18122104728's digits is 36
• More coming soon!