21489405146937

Names of 21489405146937

• Cardinal: 21489405146937 can be written as Twenty-one trillion, four hundred eighty-nine billion, four hundred five million, one hundred forty-six thousand, nine hundred thirty-seven.

Scientific notation

• Scientific notation: 2.1489405146937 × 10¹³

Factors of 21489405146937

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 19610

Divisors of 21489405146937

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 7 9 13 19 21 27 37 39 49 57 63 91 111 117 133 147 169 171 189 247 259 273 333 343 351 399 441 481 507 513 637 703 741 777 819 931 999 1029 1183 1197 1323 1443 1521 1729 1813 1911 2109 2223 2331 2457 2793 3087 3211 3367 3549 3591 4329 4459 4563 4921 5187 5439 5733 6253 6327 6517 6669 6993 8281 8379 9139 9261 9633 10101 10647 12103 12691 12987 13377 14763 15561 16317 17199 18759 18981 19531 19551 22477 23569 24843 25137 27417 28899 30303 31941 34447 36309 38073 40131 43771 44289 46683 48951 56277 57967 58593 58653 63973 67431 70707 74529 82251 84721 86697 90909 103341 108927 114219 118807 120393 131313 132867 136717 157339 164983 168831 173901 175779 175959 191919 202293 212121 223587 241129 246753 253903 254163 306397 310023 326781 342657 356421 371089 393939 410151 447811 472017 494949 521703 527337 575757 606879 636363 722647 723387 761709 762489 831649 919191 930069 957019 1069263 1101373 1113267 1181817 1230453 1343433 1416051 1484847 1565109 1727271 1777321 2144779 2167941 2170161 2285127 2287467 2494947 2597623 2757573 2871057 3134677 3207789 3300739 3304119 3339801 3691359 4030299 4248153 4454541 4824157 5058529 5331963 5821543 6434337 6503823 6510483 6699133 6855381 7484841 7792869 8272719 8613171 9394411 9404031 9902217 9912357 10019403 12090897 12441247 13730293 14472471 15175587 15995889 17464629 18183361 19303011 19511469 20097399 22454523 23105173 23378607 25839513 28183233 28212093 29706651 29737071 33769099 35409703 37323741 40750801 41190879 43417413 45526761 47987667 52393887 54550083 57909033 60292197 62714041 65760877 69315519 70135821 84549699 84636279 87088729 89119953 96112051 101307297 106229109 111971223 122127343 122252403 123572637 127283527 130252239 136580283 157181661 161736211 163650249 178493809 180876591 188142123 197282631 207946557 236383693 247867921 253649097 261266187 288336153 303921891 318687327 335913669 366382029 366757209 370717911 381850581 438998287 460326139 485208633 490950747 535481427 564426369 591847893 623839671 672784357 709151079 743603763 783798561 854891401 865008459 911765673 956061981 1099146087 1100271627 1132153477 1145551743 1249456663 1316994861 1380978417 1455625899 1606444281 1654685851 1693279107 1775543679 2018353071 2127453237 2230811289 2320419517 2351395683 2564674203 2595025377 3072988009 3222282973 3297438261 3396460431 3436655229 3748369989 3950984583 4142935251 4366877697 4709490499 4819332843 4964057553 5984239807 6055059213 6382359711 6692433867 6961258551 7694022609 8746196641 9218964027 9666848919 10189381293 11245109967 11852953749 12428805753 14128471497 14892172659 16242936619 17952719421 18165177639 20883775653 21510916063 23082067827 26238589923 27656892081 29000546757 30568143879 33735329901 41889678649 42385414491 44676517977 48728809857 53858158263 61223376487 62651326959 64532748189 78715769769 82970676243 87001640271 113700556333 125669035947 127156243473 146186429571 161574474789 183670129461 193598244567 236147309307 341101668999 377007107841 438559288713 551010388383 580794733701 795903894331 1023305006997 1131021323523 1653031165149 2387711682993 3069915020991 7163135048979 21489405146937
• Sum of all divisors σ(n): 43464168960000
• Sum of proper divisors (its aliquot sum) s(n): 21974763813063
• 21489405146937 is an abundant number, because the sum of its proper divisors (21974763813063) is greater than itself. Its abundance is 485358666126

Bases of 21489405146937

• Binary: 100111000101101100100010111000011011100111001₂
• Hexadecimal: 0x138B645C3739
• Base-36: 7M83GZFW9

Squares and roots of 21489405146937

• 21489405146937 squared (21489405146937²) is 461794533569202426560481969
• 21489405146937 cubed (21489405146937³) is 9923689826509389850398850978555984078953
• The square root of 21489405146937 is 4635666.6345777065
• The cube root of 21489405146937 is 27801.9205524677

Scales and comparisons

• 21,489,405,146,937 seconds is equal to 683,296 years, 31 weeks, 5 days, 23 hours, 28 minutes, 57 seconds.
• To count from 1 to 21,489,405,146,937 would take you about one million, seven hundred eight thousand, two hundred forty-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 21489405146937 cubic inches would be around 2316.8 feet tall.

Recreational maths with 21489405146937

• 21489405146937 backwards is 73964150498412
• 21489405146937 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21489405146937's digits is 63
• More coming soon!