18949411904550912

Names of 18949411904550912

• Cardinal: 18949411904550912 can be written as Eighteen quadrillion, nine hundred forty-nine trillion, four hundred eleven billion, nine hundred four million, five hundred fifty thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.8949411904550912 × 10¹⁶

Factors of 18949411904550912

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 114161

Divisors of 18949411904550912

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 79 96 128 144 158 192 237 256 288 316 384 474 512 576 632 711 768 948 1024 1152 1264 1422 1536 1896 2048 2304 2528 2844 3072 3792 4608 5056 5688 6144 7584 9216 10112 11376 15168 18432 20224 22752 30336 40448 45504 60672 80896 91008 114077 121344 161792 182016 228154 242688 342231 364032 456308 485376 684462 728064 912616 1026693 1368924 1456128 1825232 2053386 2737848 3650464 4106772 5475696 7300928 8213544 9012083 10951392 14601856 16427088 18024166 21902784 27036249 29203712 32854176 36048332 43805568 54072498 58407424 65708352 72096664 81108747 87611136 108144996 116814848 131416704 144193328 162217494 175222272 216289992 233629696 262833408 288386656 324434988 350444544 432579984 525666816 576773312 648869976 700889088 865159968 1051333632 1153546624 1297739952 1730319936 2102667264 2307093248 2595479904 3460639872 4614186496 5190959808 6921279744 9228372992 10381919616 13013561929 13842559488 18456745984 20763839232 26027123858 27685118976 39040685787 41527678464 52054247716 55370237952 78081371574 83055356928 104108495432 117122057361 156162743148 166110713856 208216990864 234244114722 312325486296 416433981728 468488229444 624650972592 832867963456 936976458888 1028071392391 1249301945184 1665735926912 1873952917776 2056142784782 2498603890368 3084214177173 3331471853824 3747905835552 4112285569564 4997207780736 6168428354346 6662943707648 7495811671104 8224571139128 9252642531519 9994415561472 12336856708692 13325887415296 14991623342208 16449142278256 18505285063038 19988831122944 24673713417384 26651774830592 29983246684416 32898284556512 37010570126076 39977662245888 49347426834768 59966493368832 65796569113024 74021140252152 79955324491776 98694853669536 119932986737664 131593138226048 148042280504304 197389707339072 239865973475328 263186276452096 296084561008608 394779414678144 526372552904192 592169122017216 789558829356288 1052745105808384 1184338244034432 1579117658712576 2105490211616768 2368676488068864 3158235317425152 4737352976137728 6316470634850304 9474705952275456 18949411904550912
• Sum of all divisors σ(n): 55422643378611600
• Sum of proper divisors (its aliquot sum) s(n): 36473231474060688
• 18949411904550912 is an abundant number, because the sum of its proper divisors (36473231474060688) is greater than itself. Its abundance is 17523819569509776

Bases of 18949411904550912

• Binary: 1000011010100100110001111000101010001011111100000000000₂
• Hexadecimal: 0x435263C545F800
• Base-36: 56L07NGNI80

Squares and roots of 18949411904550912

• 18949411904550912 squared (18949411904550912²) is 359080211528335822038016400031744
• 18949411904550912 cubed (18949411904550912³) is 6804358835023706456930312055699363422454864150528
• The square root of 18949411904550912 is 137656862.9039283025
• The cube root of 18949411904550912 is 266603.1309436071

Scales and comparisons

• 18,949,411,904,550,912 seconds is equal to 602,532,684 years, 9 weeks, 4 days, 9 hours, 55 minutes, 12 seconds.
• To count from 1 to 18,949,411,904,550,912 would take you about one billion, eight hundred seven million, five hundred ninety-eight thousand and fifty-two 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 18949411904550912 cubic inches would be around 22216.9 feet tall.

Recreational maths with 18949411904550912

• 18949411904550912 backwards is 21905540911494981
• 18949411904550912 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18949411904550912's digits is 72
• More coming soon!