18440147790343645616

Names of 18440147790343645616

• Cardinal: 18440147790343645616 can be written as Eighteen quintillion, four hundred forty quadrillion, one hundred forty-seven trillion, seven hundred ninety billion, three hundred forty-three million, six hundred forty-five thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 1.8440147790343645616 × 10¹⁹

Factors of 18440147790343645616

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1124

Divisors of 18440147790343645616

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 4 8 16 31 62 124 248 496 961 1091 1922 2182 3844 4364 7688 8728 15376 17456 29791 33821 59582 67642 119164 135284 238328 270568 476656 541136 923521 1048451 1190281 1847042 2096902 2380562 3694084 4193804 4761124 7388168 8387608 9522248 14776336 16775216 19044496 28629151 32501981 36898711 57258302 65003962 73797422 114516604 130007924 147594844 229033208 260015848 295189688 458066416 520031696 590379376 887503681 1007561411 1143860041 1298596571 1775007362 2015122822 2287720082 2597193142 3550014724 4030245644 4575440164 5194386284 7100029448 8060491288 9150880328 10388772568 14200058896 16120982576 18301760656 20777545136 31234403741 35459661271 40256493701 62468807482 70919322542 80512987402 124937614964 141838645084 161025974804 249875229928 283677290168 322051949608 499750459856 567354580336 644103899216 968266515971 1099249499401 1247951304731 1936533031942 2198498998802 2495902609462 3873066063884 4396997997604 4991805218924 7746132127768 8793995995208 9983610437848 15492264255536 17587991990416 19967220875696 34076734481431 38686490446661 68153468962862 77372980893322 136306937925724 154745961786644 272613875851448 309491923573288 545227751702896 618983847146576 1056378768924361 1199281203846491 2112757537848722 2398562407692982 4225515075697444 4797124815385964 8451030151394888 9594249630771928 16902060302789776 19188499261543856 37177717319241221 74355434638482442 148710869276964884 297421738553929768 594843477107859536 1152509236896477851 2305018473792955702 4610036947585911404 9220073895171822808 18440147790343645616
• Sum of all divisors σ(n): 36952582932372366168
• Sum of proper divisors (its aliquot sum) s(n): 18512435142028720552
• 18440147790343645616 is an abundant number, because the sum of its proper divisors (18512435142028720552) is greater than itself. Its abundance is 72287351685074936

Bases of 18440147790343645616

• Binary: 1111111111101000100100001011011100011001001000110010100110110000₂
• Hexadecimal: 0xFFE890B7192329B0
• Base-36: 3W3L2UBFBPWVK

Squares and roots of 18440147790343645616

• 18440147790343645616 squared (18440147790343645616²) is 340039050529715635992969269589396019456
• 18440147790343645616 cubed (18440147790343645616³) is 6270370346256087043367535988192450911923473464413905104896
• The square root of 18440147790343645616 is 4294199318.8886383615
• The cube root of 18440147790343645616 is 2641930.9693666593

Scales and comparisons

• 18,440,147,790,343,645,616 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,440,147,790,343,645,616 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 18440147790343645616 cubic inches would be around 220160.9 feet tall.

Recreational maths with 18440147790343645616

• 18440147790343645616 backwards is 61654634309774104481
• The number of decimal digits it has is: 20
• The sum of 18440147790343645616's digits is 83
• More coming soon!