29388634478372421

Names of 29388634478372421

• Cardinal: 29388634478372421 can be written as Twenty-nine quadrillion, three hundred eighty-eight trillion, six hundred thirty-four billion, four hundred seventy-eight million, three hundred seventy-two thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 2.9388634478372421 × 10¹⁶

Factors of 29388634478372421

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 50762

Divisors of 29388634478372421

• Number of divisors d(n): 336
• Complete list of divisors:
  1 3 7 9 21 27 49 63 71 81 147 189 213 243 271 441 497 567 639 729 813 863 1323 1491 1701 1897 1917 2439 2589 3479 3969 4473 5103 5691 5751 6041 7317 7767 10437 11907 13279 13419 17073 17253 18123 19241 21951 23301 31311 35721 39837 40257 42287 49547 51219 51759 54369 57723 61273 65853 69903 93933 119511 120771 126861 134687 148641 153657 163107 173169 183819 197559 209709 233873 281799 346829 358533 362313 380583 404061 428911 445923 460971 489321 519507 551457 629127 701619 845397 942809 1040487 1075599 1141749 1212183 1286733 1337769 1382913 1467963 1558521 1637111 1654371 2104857 2427803 2536191 2828427 3002377 3121461 3226797 3425247 3517837 3636549 3860199 4013307 4403889 4675563 4911333 4963113 6314571 7283409 8485281 9007131 9364383 9680391 10275741 10553511 10909647 11459777 11580597 12039921 13427237 14026689 14733999 14889339 16604983 18943713 21850227 24624859 25455843 27021393 28093149 30827223 31660533 32728941 34379331 34741791 36119763 40281711 42759061 44201997 44668017 49814949 56831139 65550681 73874577 76367529 81064179 84279447 93990659 94981599 98186823 103137993 104225373 116234881 120845133 128277183 132605991 149444847 170493417 172374013 196652043 221623731 229102587 243192537 252838341 281971977 284944797 299313427 309413979 312676119 348704643 362535399 384831549 397817973 448334541 517122039 589956129 657934613 664871193 687307761 729577611 813644167 845915931 854834391 897940281 928241937 953333827 1046113929 1087606197 1154494647 1193453919 1345003623 1551366117 1769868387 1973803839 1994613579 2095193989 2188732833 2440932501 2537747793 2564503173 2693820843 2784725811 2860001481 3035893331 3138341787 3262818591 3463483941 4035010869 4654098351 5921411517 5983840737 6285581967 6673336789 7322797503 7613243379 8081462529 8354177433 8580004443 9107679993 9415025361 9788455773 10390451823 11587705531 12105032607 13962295053 17764234551 17951522211 18856745901 20020010367 21251253317 21968392509 22839730137 24244387587 25740013329 27323039979 28245076083 31171355469 34763116593 41886885159 46713357523 53292703653 56570237703 60060031101 63753759951 65905177527 68519190411 72733162761 77220039987 81113938717 81969119937 84735228249 104289349779 125660655477 140140072569 148758773219 159878110959 169710713109 180180093303 191261279853 197715532581 218199488283 231660119961 243341816151 245907359811 312868049337 420420217707 446276319657 479634332877 509132139327 540540279909 567797571019 573783839559 593146597743 694980359883 730025448453 737722079433 822727092701 938604148011 1261260653121 1338828958971 1527396417981 1621620839727 1703392713057 1721351518677 2190076345359 2213166238299 2468181278103 2815812444033 3783781959363 4016486876913 4864862519181 5110178139171 5164054556031 5759089648907 6570229036077 7404543834309 8447437332099 11351345878089 12049460630739 15330534417513 15492163668093 17277268946721 19710687108231 22213631502927 34054037634267 36148381892217 40313627542349 45991603252539 51831806840163 59132061324693 66640894508781 108445145676651 120940882627047 137974809757617 155495420520489 199922683526343 362822647881141 413924429272851 466486261561467 599768050579029 1088467943643423 1399458784684401 3265403830930269 4198376354053203 9796211492790807 29388634478372421
• Sum of all divisors σ(n): 52231955968770048
• Sum of proper divisors (its aliquot sum) s(n): 22843321490397627
• 29388634478372421 is a deficient number, because the sum of its proper divisors (22843321490397627) is less than itself. Its deficiency is 6545312987974794

Bases of 29388634478372421

• Binary: 1101000011010001100111010101110100001000110011001000101₂
• Hexadecimal: 0x6868CEAE846645
• Base-36: 81DEGAOD7B9

Squares and roots of 29388634478372421

• 29388634478372421 squared (29388634478372421²) is 863691836503380221766001173401241
• 29388634478372421 cubed (29388634478372421³) is 25382723684952035926378013498378483703586461574461
• The square root of 29388634478372421 is 171431136.2570184361
• The cube root of 29388634478372421 is 308598.0203796499

Scales and comparisons

• 29,388,634,478,372,421 seconds is equal to 934,467,671 years, 20 weeks, 4 days, 13 hours, 40 minutes, 21 seconds.
• To count from 1 to 29,388,634,478,372,421 would take you about two billion, eight hundred three million, four hundred three thousand and fourteen 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 29388634478372421 cubic inches would be around 25716.5 feet tall.

Recreational maths with 29388634478372421

• 29388634478372421 backwards is 12427387443688392
• 29388634478372421 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 29388634478372421's digits is 81
• More coming soon!