18397869442791344

Names of 18397869442791344

• Cardinal: 18397869442791344 can be written as Eighteen quadrillion, three hundred ninety-seven trillion, eight hundred sixty-nine billion, four hundred forty-two million, seven hundred ninety-one thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 1.8397869442791344 × 10¹⁶

Factors of 18397869442791344

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1051

Divisors of 18397869442791344

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 8 11 16 22 29 44 58 88 116 121 176 232 242 319 464 484 638 841 968 1009 1276 1331 1682 1936 2018 2552 2662 3364 3509 4036 5104 5324 6728 7018 8072 9251 10648 11099 13456 14036 16144 18502 21296 22198 28072 29261 37004 38599 44396 56144 58522 74008 77198 88792 101761 117044 122089 148016 154396 177584 203522 234088 244178 308792 321871 407044 468176 488356 617584 643742 814088 848569 976712 1018081 1119371 1287484 1342979 1628176 1697138 1953424 2036162 2238742 2574968 2685958 3394276 3540581 4072324 4477484 5149936 5371916 6788552 7081162 8144648 8954968 9334259 10743832 11198891 13577104 14162324 16289296 17909936 18668518 21487664 22397782 28324648 29524349 37337036 38946391 44795564 56649296 59048698 74674072 77892782 89591128 102676849 118097396 123187801 149348144 155785564 179182256 205353698 236194792 246375602 311571128 324767839 410707396 472389584 492751204 623142256 649535678 821414792 856206121 985502408 1027243729 1129445339 1299071356 1355065811 1642829584 1712412242 1971004816 2054487458 2258890678 2598142712 2710131622 3424824484 3572446229 4108974916 4517781356 5196285424 5420263244 6849648968 7144892458 8217949832 9035562712 9418267331 10840526488 11299681019 13699297936 14289784916 16435899664 18071125424 18836534662 21681052976 22599362038 28579569832 29790068141 37673069324 39296908519 45198724076 57159139664 59580136282 75346138648 78593817038 90397448152 103600940641 119160272564 124296491209 150692277296 157187634076 180794896304 207201881282 238320545128 248592982418 314375268152 327690749551 414403762564 476641090256 497185964836 628750536304 655381499102 828807525128 863911976089 994371929672 1139610347051 1310762998204 1367261403299 1657615050256 1727823952178 1988743859344 2279220694102 2621525996408 2734522806598 3455647904356 3604598245061 4558441388204 5243051992816 5469045613196 6911295808712 7209196490122 9116882776408 9503031736979 10938091226392 13822591617424 14418392980244 18233765552816 19006063473958 21876182452784 28836785960488 38012126947916 39650580695671 57673571920976 76024253895832 79301161391342 104533349106769 152048507791664 158602322782684 209066698213538 317204645565368 418133396427076 634409291130736 836266792854152 1149866840174459 1672533585708304 2299733680348918 4599467360697836 9198934721395672 18397869442791344
• Sum of all divisors σ(n): 40646678125728480
• Sum of proper divisors (its aliquot sum) s(n): 22248808682937136
• 18397869442791344 is an abundant number, because the sum of its proper divisors (22248808682937136) is greater than itself. Its abundance is 3850939240145792

Bases of 18397869442791344

• Binary: 1000001010111001100001111001000110000101111011110110000₂
• Hexadecimal: 0x415CC3C8C2F7B0
• Base-36: 515I0JJBQ28

Squares and roots of 18397869442791344

• 18397869442791344 squared (18397869442791344²) is 338481600033995478556046321326336
• 18397869442791344 cubed (18397869442791344³) is 6227340286212566959389753017448765924328180035584
• The square root of 18397869442791344 is 135638746.0970918293
• The cube root of 18397869442791344 is 263991.0342971767

Scales and comparisons

• 18,397,869,442,791,344 seconds is equal to 584,995,339 years, 48 weeks, 4 days, 15 minutes, 44 seconds.
• To count from 1 to 18,397,869,442,791,344 would take you about one billion, seven hundred fifty-four million, nine hundred eighty-six thousand and nineteen 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 18397869442791344 cubic inches would be around 21999.3 feet tall.

Recreational maths with 18397869442791344

• 18397869442791344 backwards is 44319724496879381
• The number of decimal digits it has is: 17
• The sum of 18397869442791344's digits is 89
• More coming soon!