18738947710208

Names of 18738947710208

• Cardinal: 18738947710208 can be written as Eighteen trillion, seven hundred thirty-eight billion, nine hundred forty-seven million, seven hundred ten thousand, two hundred eight.

Scientific notation

• Scientific notation: 1.8738947710208 × 10¹³

Factors of 18738947710208

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 286

Divisors of 18738947710208

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 53 64 88 89 106 121 128 131 176 178 212 242 256 262 352 356 424 484 524 583 704 712 848 968 979 1048 1166 1331 1408 1424 1441 1696 1936 1958 2096 2332 2662 2816 2848 2882 3392 3872 3916 4192 4664 4717 5324 5696 5764 6413 6784 6943 7744 7832 7921 8384 9328 9434 10648 10769 11392 11528 11659 12826 13568 13886 15488 15664 15842 15851 16768 18656 18868 21296 21538 22784 23056 23318 25652 27772 30976 31328 31684 31702 33536 37312 37736 42592 43076 46112 46636 51304 51887 55544 62656 63368 63404 70543 74624 75472 76373 85184 86152 87131 92224 93272 102608 103774 111088 118459 125312 126736 126808 128249 141086 149248 150944 152746 170368 172304 174262 174361 184448 186544 205216 207548 222176 236918 250624 253472 253616 256498 282172 301888 305492 340736 344608 348524 348722 368896 373088 410432 415096 419813 444352 473836 506944 507232 512996 564344 570757 603776 610984 617927 689216 697048 697444 746176 820864 830192 839626 840103 888704 947672 958441 1013888 1014464 1025992 1037651 1128688 1141514 1207552 1221968 1235854 1378432 1394096 1394888 1410739 1492352 1641728 1660384 1679252 1680206 1777408 1895344 1916882 2027776 2028928 2051984 2075302 2257376 2283028 2443936 2471708 2756864 2788192 2789776 2821478 2984704 3320768 3358504 3360412 3790688 3833764 4057856 4103968 4150604 4514752 4566056 4617943 4887872 4943416 5576384 5579552 5642956 6278327 6641536 6717008 6720824 6797197 7581376 7667528 8207936 8301208 9029504 9132112 9235886 9241133 9775744 9886832 10542851 11152768 11159104 11285912 11414161 12556654 13283072 13434016 13441648 13594394 15162752 15335056 15518129 16415872 16602416 18059008 18264224 18471772 18482266 19551488 19773664 21085702 22305536 22318208 22571824 22828322 25113308 26868032 26883296 27188788 30325504 30670112 31036258 32831744 33204832 36528448 36943544 36964532 39547328 42171404 44636416 45143648 45656644 50226616 50797373 53736064 53766592 54377576 54995503 61340224 62072516 66409664 73056896 73887088 73929064 74769167 79094656 84342808 90287296 91313288 100453232 101594746 107472128 107533184 108755152 109991006 122680448 124145032 125555771 132819328 146113792 147774176 147858128 149538334 158189312 168685616 180574592 182626576 200906464 203189492 215066368 217510304 219982012 245360896 248290064 251111542 265638656 295548352 295716256 299076668 337371232 361149184 365253152 401812928 406378984 435020608 439964024 496580128 502223084 558771103 591096704 591432512 598153336 604950533 674742464 730506304 803625856 812757968 822460837 870041216 879928048 993160256 1004446168 1117542206 1182193408 1182865024 1196306672 1209901066 1349484928 1381113481 1461012608 1607251712 1625515936 1644921674 1740082432 1759856096 1986320512 2008892336 2235084412 2365730048 2392613344 2419802132 2698969856 2762226962 2922025216 3251031872 3289843348 3519712192 3972641024 4017784672 4470168824 4785226688 4839604264 5524453924 6502063744 6579686696 6654455863 7039424384 8035569344 8940337648 9570453376 9679208528 11048907848 13004127488 13159373392 13308911726 14078848768 16071138688 17880675296 19140906752 19358417056 22097815696 26318746784 26617823452 32142277376 35761350592 38716834112 44195631392 52637493568 53235646904 71522701184 73199014493 77433668224 88391262784 105274987136 106471293808 143045402368 146398028986 154867336448 176782525568 210549974272 212942587616 292796057972 353565051136 425885175232 585592115944 851770350464 1171184231888 1703540700928 2342368463776 4684736927552 9369473855104 18738947710208
• Sum of all divisors σ(n): 42718539834432
• Sum of proper divisors (its aliquot sum) s(n): 23979592124224
• 18738947710208 is an abundant number, because the sum of its proper divisors (23979592124224) is greater than itself. Its abundance is 5240644414016

Bases of 18738947710208

• Binary: 100010000101100000000010100100101110100000000₂
• Hexadecimal: 0x110B00525D00
• Base-36: 6N4JXN37K

Squares and roots of 18738947710208

• 18738947710208 squared (18738947710208²) is 351148161285909646347403264
• 18738947710208 cubed (18738947710208³) is 6580147032872346040236051464819585318912
• The square root of 18738947710208 is 4328850.6223024143
• The cube root of 18738947710208 is 26561.2432878349

Scales and comparisons

• 18,738,947,710,208 seconds is equal to 595,840 years, 29 weeks, 5 days, 20 hours, 50 minutes, 8 seconds.
• To count from 1 to 18,738,947,710,208 would take you about one million, four hundred eighty-nine thousand, six hundred 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 18738947710208 cubic inches would be around 2213.4 feet tall.

Recreational maths with 18738947710208

• 18738947710208 backwards is 80201774983781
• The number of decimal digits it has is: 14
• The sum of 18738947710208's digits is 65
• More coming soon!