21080165321799804

Names of 21080165321799804

• Cardinal: 21080165321799804 can be written as Twenty-one quadrillion, eighty trillion, one hundred sixty-five billion, three hundred twenty-one million, seven hundred ninety-nine thousand, eight hundred four.

Scientific notation

• Scientific notation: 2.1080165321799804 × 10¹⁶

Factors of 21080165321799804

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2576

Divisors of 21080165321799804

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 11 12 22 31 33 44 62 66 93 121 124 132 186 242 341 363 367 372 421 484 682 726 734 842 1023 1101 1263 1364 1452 1468 1684 1741 2046 2202 2526 3482 3751 4037 4092 4404 4631 5052 5223 6964 7502 8074 9262 10446 11253 11377 12111 13051 13893 15004 16148 18524 19151 20892 22506 22754 24222 26102 27786 34131 38302 39153 44407 45012 45508 48444 50941 52204 53971 55572 57453 68262 76604 78306 88814 101882 107942 114906 125147 133221 136524 143561 152823 154507 156612 161913 177628 203764 210661 215884 229812 250294 266442 287122 305646 309014 323826 375441 421322 430683 463521 500588 532884 574244 593681 611292 618028 631983 638947 647652 732961 750882 842644 861366 927042 1187362 1263966 1277894 1376617 1465922 1501764 1579171 1699577 1722732 1781043 1854084 1916841 2198883 2374724 2527932 2555788 2753234 2931844 3031081 3158342 3399154 3562086 3833682 4129851 4397766 4737513 4789717 5098731 5506468 6062162 6316684 6530491 6798308 7028417 7124172 7667364 8062571 8259702 8795532 9093243 9475026 9579434 10197462 12124324 13060982 14056834 14369151 16125142 16519404 18186486 18695347 18950052 19158868 19591473 19807357 20394924 21085251 22721791 24187713 26121964 28113668 28738302 32250284 33341891 36372972 37390694 39182946 39614714 42170502 45443582 48375426 52686887 56086041 57476604 59422071 66683782 68165373 74781388 77312587 78365892 79229428 84341004 88688281 90887164 93963511 96750852 100025673 105373774 112172082 118844142 133367564 136330746 154625174 158060661 177376562 187927022 200051346 210747548 217880927 224344164 231937761 237688284 249939701 266064843 268996687 272661492 281890533 309250348 316121322 354753124 366760801 375854044 400102692 435761854 463875522 499879402 532129686 537993374 563781066 579555757 632242644 653642781 733521602 749819103 806990061 871523708 927751044 999758804 1033598621 1064259372 1075986748 1100282403 1112406727 1127562132 1159111514 1276085101 1307285562 1467043204 1499638206 1613980122 1738667271 2067197242 2200564806 2224813454 2318223028 2396690197 2552170202 2614571124 2749336711 2958963557 2999276412 3100795863 3227960244 3337220181 3477334542 3828255303 4134394484 4401129612 4449626908 4793380394 5104340404 5498673422 5917927114 6201591726 6674440362 6954669084 7190070591 7656510606 8248010133 8338897297 8876890671 9586760788 10997346844 11369584831 11835854228 12236473997 12403183452 13348880724 14036936111 14380141182 15313021212 16496020266 16677794594 17753781342 22739169662 24472947994 25016691891 28073872222 28760282364 32548599127 32992040532 33355589188 34108754493 34484608537 35507562684 36709421991 39558638131 42110808333 45478339324 48945895988 50033383782 56147744444 65097198254 68217508986 68969217074 73418843982 79117276262 84221616666 91727870267 97645797381 100066767564 103453825611 118675914393 130194396508 134601213967 136435017972 137938434148 146837687964 154406297221 158234552524 168443233332 183455740534 195291594762 206907651222 237351828786 269202427934 275183610801 308812594442 366911481068 379330693907 390583189524 403803641901 413815302444 435145019441 463218891663 468323232067 474703657572 538404855868 550367221602 617625188884 758661387814 807607283802 870290038882 926437783326 936646464134 1009006572937 1100734443204 1137992081721 1305435058323 1404969696201 1517322775628 1615214567604 1740580077764 1852875566652 1873292928268 2018013145874 2275984163442 2610870116646 2809939392402 3027019718811 4036026291748 4172637632977 4551968326884 4786595213851 5151555552737 5221740233292 5619878784804 6054039437622 8345275265954 9573190427702 10303111105474 12108078875244 12517912898931 14359785641553 14518020194077 15454666658211 16690550531908 19146380855404 20606222210948 25035825797862 28719571283106 29036040388154 30909333316422 43554060582231 50071651595724 56667111080107 57439142566212 58072080776308 61818666632844 87108121164462 113334222160214 159698222134847 170001333240321 174216242328924 226668444320428 319396444269694 340002666480642 479094666404541 638792888539388 680005332961284 958189332809082 1756680443483317 1916378665618164 3513360886966634 5270041330449951 7026721773933268 10540082660899902 21080165321799804
• Sum of all divisors σ(n): 56126373919494144
• Sum of proper divisors (its aliquot sum) s(n): 35046208597694340
• 21080165321799804 is an abundant number, because the sum of its proper divisors (35046208597694340) is greater than itself. Its abundance is 13966043275894536

Bases of 21080165321799804

• Binary: 1001010111001000100110001110101110011111111100001111100₂
• Hexadecimal: 0x4AE44C75CFF87C
• Base-36: 5RKAM9AUYKC

Squares and roots of 21080165321799804

• 21080165321799804 squared (21080165321799804²) is 444373369994411034130433854438416
• 21080165321799804 cubed (21080165321799804³) is 9367464104087497044311129051758716411886798870464
• The square root of 21080165321799804 is 145190100.6329281529
• The cube root of 21080165321799804 is 276243.0354294199

Scales and comparisons

• 21,080,165,321,799,804 seconds is equal to 670,284,052 years, 5 hours, 43 minutes, 24 seconds.
• To count from 1 to 21,080,165,321,799,804 would take you about two billion, ten million, eight hundred fifty-two thousand, one hundred fifty-six 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 21080165321799804 cubic inches would be around 23020.3 feet tall.

Recreational maths with 21080165321799804

• 21080165321799804 backwards is 40899712356108012
• 21080165321799804 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21080165321799804's digits is 66
• More coming soon!