1491980305544593137

Names of 1491980305544593137

• Cardinal: 1491980305544593137 can be written as One quintillion, four hundred ninety-one quadrillion, nine hundred eighty trillion, three hundred five billion, five hundred forty-four million, five hundred ninety-three thousand, one hundred thirty-seven.

Scientific notation

• Scientific notation: 1.491980305544593137 × 10¹⁸

Factors of 1491980305544593137

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 120

Divisors of 1491980305544593137

• Number of divisors d(n): 280
• Complete list of divisors:
  1 3 7 9 13 21 27 39 63 81 91 97 117 189 243 273 291 351 567 679 729 819 873 1053 1261 1701 2037 2187 2457 2619 3159 3783 5103 6111 6561 7371 7857 8827 9409 9477 11349 15309 18333 19683 22113 23571 26481 28227 28431 34047 45927 54999 65863 66339 70713 79443 84681 85293 102141 122317 137781 164997 197589 199017 212139 238329 254043 255879 306423 366951 494991 592767 597051 636417 714987 762129 856219 912673 919269 1100853 1484973 1778301 1791153 1909251 2144961 2286387 2568657 2738019 2757807 3302559 4454919 5334903 6388711 6434883 6859161 7705971 8214057 8273421 9907677 11864749 13364757 16004709 19166133 19304649 20577483 23117913 24642171 24820263 29723031 35594247 48014127 57498399 57913947 61732449 69353739 73926513 83053243 88529281 89169093 106782741 144042381 172495197 173741841 185197347 208061217 221779539 249159729 265587843 267507279 320348223 432127143 517485591 619704967 624183651 665338617 747479187 796763529 802521837 961044669 1150880653 1296381429 1552456773 1859114901 1872550953 1996015851 2242437561 2390290587 2407565511 2883134007 3452641959 4657370319 5577344703 5617652859 5988047553 6727312683 7170871761 8056164571 8587340257 8649402021 10357925877 13972110957 16732034109 16852958577 17964142659 20181938049 21512615283 24168493713 25762020771 25948206063 31073777631 41916332871 50196102327 60111381799 60545814147 64537845849 72505481139 77286062313 77844618189 93221332893 111635423341 125748998613 150588306981 180334145397 181637442441 193613537547 217516443417 231858186939 233533854567 279663998679 334906270023 451764920943 541002436191 544912327323 580840612641 652549330251 695574560817 781447963387 832972004929 838991996037 1004718810069 1355294762829 1623007308573 1634736981969 1742521837923 1957647990753 2086723682451 2344343890161 2498916014787 2516975988111 3014156430207 4065884288487 4869021925719 5830804034503 5872943972259 6260171047353 7033031670483 7496748044361 7550927964333 9042469290621 10828636064077 12197652865461 14607065777157 17492412103509 17618831916777 18780513142059 21099095011449 22490244133083 22652783892999 27127407871863 32485908192231 43821197331471 52477236310527 52856495750331 56341539426177 63297285034347 67470732399249 75800452448539 81382223615589 97457724576693 131463591994413 157431708931581 158569487250993 169024618278531 189891855103041 202412197197747 227401357345617 244146670846767 292373173730079 394390775983239 472295126794743 569675565309123 607236591593241 682204072036851 732440012540301 877119521190237 1183172327949717 1416885380384229 1709026695927369 1821709774779723 2046612216110553 2197320037620903 2631358563570711 4250656141152687 5127080087782107 5465129324339169 6139836648331659 7894075690712133 12751968423458061 15381240263346321 16395387973017507 18419509944994977 23682227072136399 38255905270374183 55258529834984931 71046681216409197 114767715811122549 165775589504954793 213140043649227591 497326768514864379 1491980305544593137
• Sum of all divisors σ(n): 2783069976087075136
• Sum of proper divisors (its aliquot sum) s(n): 1291089670542481999
• 1491980305544593137 is a deficient number, because the sum of its proper divisors (1291089670542481999) is less than itself. Its deficiency is 200890635002111138

Bases of 1491980305544593137

• Binary: 1010010110100100101000010111011011011110111010011111011110001₂
• Hexadecimal: 0x14B4942EDBDD3EF1
• Base-36: BC2MVM83BE29

Squares and roots of 1491980305544593137

• 1491980305544593137 squared (1491980305544593137²) is 2226005232132937494580915254867500769
• 1491980305544593137 cubed (1491980305544593137³) is 3321155966381563056056459420335107670899801308139622353
• The square root of 1491980305544593137 is 1221466456.9870894073
• The cube root of 1491980305544593137 is 1142670.5385821023
• Being both a perfect square and a perfect cube, 1491980305544593137 is also a perfect sixth number.

Scales and comparisons

• 1,491,980,305,544,593,137 seconds is equal to 47,440,358,718 years, 11 weeks, 3 days, 18 hours, 58 minutes, 57 seconds.
• To count from 1 to 1,491,980,305,544,593,137 would take you about one hundred sixty-six billion, forty-one million, two hundred fifty-five thousand, five hundred thirteen 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 1491980305544593137 cubic inches would be around 95222.5 feet tall.

Recreational maths with 1491980305544593137

• 1491980305544593137 backwards is 7313954455030891941
• 1491980305544593137 is a Harshad number.
• The number of decimal digits it has is: 19
• The sum of 1491980305544593137's digits is 81
• More coming soon!