38729955641661

Names of 38729955641661

• Cardinal: 38729955641661 can be written as Thirty-eight trillion, seven hundred twenty-nine billion, nine hundred fifty-five million, six hundred forty-one thousand, six hundred sixty-one.

Scientific notation

• Scientific notation: 3.8729955641661 × 10¹³

Factors of 38729955641661

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 771

Divisors of 38729955641661

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 9 27 61 73 79 97 127 183 219 237 291 331 381 549 657 711 873 993 1143 1647 1971 2133 2619 2979 3429 4453 4819 5767 5917 7081 7663 7747 8937 9271 10033 12319 13359 14457 17301 17751 20191 21243 22989 23241 24163 26149 27813 30099 32107 36957 40077 42037 43371 51903 53253 60573 63729 68967 69723 72489 78447 83439 90297 96321 110871 120231 126111 130113 155709 159759 181719 191187 206901 209169 217467 235341 250317 270891 288963 332613 351787 378333 431941 467443 545157 559399 565531 612013 652401 706023 732409 751459 866889 899287 973201 1055361 1134999 1295823 1402329 1473943 1595089 1678197 1696593 1836039 1908877 1958527 2197227 2254377 2343811 2536453 2564257 2697861 2919603 3068701 3166083 3320923 3887469 4077589 4206987 4421829 4785267 5034591 5089779 5508117 5726631 5875581 6591681 6763131 7031433 7609359 7692771 8093583 8758809 9206103 9498249 9962769 11662407 12232767 12620961 13265487 14355801 15103773 15269337 16524351 17179893 17626743 19775043 20289393 21094299 22828077 23078313 24280749 26276427 27618309 29888307 34123339 36698301 39796461 43067403 44676949 51539679 52880229 54856507 59365261 63282897 68484231 69234939 71043673 82854927 89664921 102370017 110094903 116441497 134030847 142972471 154723633 164569521 178095783 185161069 187190761 202576303 213131019 242427379 248732929 297663997 307110051 322129531 349324491 402092541 428917413 464170899 493708563 534287349 555483207 561572283 607728909 639393057 727282137 746198787 892991991 921330153 966388593 1047973473 1206277623 1286752239 1392512697 1481125689 1602862047 1666449621 1684716849 1823186727 1918179171 2181846411 2238596361 2678975973 2899165779 3143920419 3860256717 4177538091 4333664053 4999348863 5054150547 5469560181 6545539233 6715789083 8036927919 8697497337 11294825209 13000992159 14788070119 18157503817 19649901391 23515455763 33884475627 39002976477 44364210357 54472511451 58949704173 70546367289 101653426881 117008929431 133092631071 163417534353 176849112519 211639101867 304960280643 399277893213 490252603059 530547337557 634917305601 1434442801543 4303328404629 12909985213887 38729955641661
• Sum of all divisors σ(n): 61143108812800
• Sum of proper divisors (its aliquot sum) s(n): 22413153171139
• 38729955641661 is a deficient number, because the sum of its proper divisors (22413153171139) is less than itself. Its deficiency is 16316802470522

Bases of 38729955641661

• Binary: 1000110011100110000101001111111000100100111101₂
• Hexadecimal: 0x2339853F893D
• Base-36: DQ8ANM059

Squares and roots of 38729955641661

• 38729955641661 squared (38729955641661²) is 1500009464005028722238838921
• 38729955641661 cubed (38729955641661³) is 58095300002986454868948465603074175887781
• The square root of 38729955641661 is 6223339.5891322691
• The cube root of 38729955641661 is 33833.6614928209

Scales and comparisons

• 38,729,955,641,661 seconds is equal to 1,231,492 years, 41 weeks, 11 hours, 34 minutes, 21 seconds.
• To count from 1 to 38,729,955,641,661 would take you about three million, seventy-eight thousand, seven hundred thirty-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 38729955641661 cubic inches would be around 2819.5 feet tall.

Recreational maths with 38729955641661

• 38729955641661 backwards is 16614655992783
• The number of decimal digits it has is: 14
• The sum of 38729955641661's digits is 72
• More coming soon!