18729174422016

Names of 18729174422016

• Cardinal: 18729174422016 can be written as Eighteen trillion, seven hundred twenty-nine billion, one hundred seventy-four million, four hundred twenty-two thousand and sixteen.

Scientific notation

• Scientific notation: 1.8729174422016 × 10¹³

Factors of 18729174422016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1268

Divisors of 18729174422016

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 53 64 69 72 92 96 106 128 138 144 159 184 192 207 212 256 276 288 318 368 384 414 424 477 512 552 576 636 736 768 828 848 954 1104 1152 1187 1219 1272 1472 1536 1656 1696 1908 2208 2304 2374 2438 2544 2809 2944 3312 3392 3561 3657 3816 4416 4608 4748 4876 5088 5618 5888 6624 6784 7122 7314 7632 8427 8832 9496 9752 10176 10683 10971 11236 11776 13248 13568 14244 14628 15264 16854 17664 18992 19504 20352 21366 21942 22472 25281 26496 27136 27301 28488 29256 30528 33708 35328 37984 39008 40704 42732 43884 44944 50562 52992 54602 56976 58512 61056 62911 64607 67416 75968 78016 81408 81903 85464 87768 89888 101124 105984 109204 113952 117024 122112 125822 129214 134832 148877 151936 156032 163806 170928 175536 179776 188733 193821 202248 218408 227904 234048 244224 245709 251644 258428 269664 297754 303872 312064 327612 341856 351072 359552 377466 387642 404496 436816 446631 455808 468096 491418 503288 516856 539328 566199 581463 595508 607744 624128 655224 683712 702144 719104 754932 775284 808992 873632 893262 911616 936192 982836 1006576 1033712 1078656 1132398 1162926 1191016 1310448 1339893 1367424 1404288 1438208 1446953 1509864 1550568 1617984 1747264 1786524 1823232 1872384 1965672 2013152 2067424 2157312 2264796 2325852 2382032 2620896 2679786 2734848 2808576 2893906 3019728 3101136 3235968 3334283 3424171 3494528 3573048 3931344 4026304 4134848 4314624 4340859 4529592 4651704 4764064 5241792 5359572 5469696 5617152 5787812 6039456 6202272 6471936 6668566 6848342 6989056 7146096 7862688 8052608 8269696 8681718 9059184 9303408 9528128 10002849 10272513 10483584 10719144 11575624 12078912 12404544 12943872 13022577 13337132 13696684 13978112 14292192 15725376 16105216 16539392 17363436 18118368 18606816 19056256 20005698 20545026 20967168 21438288 23151248 24157824 24809088 26045154 26674264 27393368 28584384 30008547 30817539 31450752 32210432 33078784 34726872 36236736 37213632 38112512 40011396 41090052 41934336 42876576 46302496 48315648 49618176 52090308 53348528 54786736 57168768 60017094 61635078 62901504 69453744 72473472 74427264 76225024 76688509 80022792 82180104 85753152 92604992 96631296 99236352 104180616 106697056 109573472 114337536 120034188 123270156 125803008 138907488 144946944 148854528 153377018 160045584 164360208 171506304 176716999 185209984 208361232 213394112 219146944 228675072 230065527 240068376 246540312 277814976 289893888 297709056 306754036 320091168 328720416 343012608 353433998 370419968 416722464 426788224 438293888 460131054 480136752 493080624 530150997 555629952 613508072 640182336 657440832 686025216 690196581 706867996 740839936 833444928 853576448 876587776 920262108 960273504 986161248 1060301994 1111259904 1227016144 1280364672 1314881664 1380393162 1413735992 1590452991 1666889856 1707152896 1753175552 1840524216 1920547008 1972322496 2120603988 2222519808 2454032288 2560729344 2629763328 2760786324 2827471984 3180905982 3333779712 3681048432 3841094016 3944644992 4064490977 4241207976 4908064576 5121458688 5259526656 5521572648 5654943968 6361811964 6667559424 7362096864 7682188032 7889289984 8128981954 8482415952 9816129152 11043145296 11309887936 12193472931 12723623928 14724193728 15364376064 15778579968 16257963908 16964831904 19632258304 22086290592 22619775872 24386945862 25447247856 29448387456 32515927816 33929663808 36580418793 39264516608 44172581184 45239551744 48773891724 50894495712 58896774912 65031855632 67859327616 73160837586 88345162368 90479103488 97547783448 101788991424 117793549824 130063711264 135718655232 146321675172 176690324736 195095566896 203577982848 260127422528 271437310464 292643350344 353380649472 390191133792 407155965696 520254845056 585286700688 780382267584 814311931392 1040509690112 1170573401376 1560764535168 2081019380224 2341146802752 3121529070336 4682293605504 6243058140672 9364587211008 18729174422016
• Sum of all divisors σ(n): 57536938293120
• Sum of proper divisors (its aliquot sum) s(n): 38807763871104
• 18729174422016 is an abundant number, because the sum of its proper divisors (38807763871104) is greater than itself. Its abundance is 20078589449088

Bases of 18729174422016

• Binary: 100010000100010111001110010011101001000000000₂
• Hexadecimal: 0x1108B9C9D200
• Base-36: 6N02AVLS0

Squares and roots of 18729174422016

• 18729174422016 squared (18729174422016²) is 350781974530298367665504256
• 18729174422016 cubed (18729174422016³) is 6569856785077132163301598937089988100096
• The square root of 18729174422016 is 4327721.6202080281
• The cube root of 18729174422016 is 26556.6248173943

Scales and comparisons

• 18,729,174,422,016 seconds is equal to 595,529 years, 42 weeks, 2 days, 2 hours, 33 minutes, 36 seconds.
• To count from 1 to 18,729,174,422,016 would take you about one million, four hundred eighty-eight thousand, eight hundred twenty-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 18729174422016 cubic inches would be around 2213.1 feet tall.

Recreational maths with 18729174422016

• 18729174422016 backwards is 61022447192781
• The number of decimal digits it has is: 14
• The sum of 18729174422016's digits is 54
• More coming soon!