18847990349824

Names of 18847990349824

• Cardinal: 18847990349824 can be written as Eighteen trillion, eight hundred forty-seven billion, nine hundred ninety million, three hundred forty-nine thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.8847990349824 × 10¹³

Factors of 18847990349824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 881

Divisors of 18847990349824

• Number of divisors d(n): 306
• Complete list of divisors:
  1 2 4 8 16 19 31 32 38 62 64 76 124 128 152 248 256 304 361 496 512 589 608 722 829 961 992 1024 1178 1216 1444 1658 1922 1984 2048 2356 2432 2888 3316 3844 3968 4096 4712 4864 5776 6632 7688 7936 8192 9424 9728 11191 11552 13264 15376 15751 15872 16384 18259 18848 19456 22382 23104 25699 26528 30752 31502 31744 32768 36518 37696 38912 44764 46208 51398 53056 61504 63004 63488 65536 73036 75392 77824 89528 92416 102796 106112 123008 126008 126976 146072 150784 155648 179056 184832 205592 212224 246016 252016 253952 292144 299269 301568 311296 346921 358112 369664 411184 424448 488281 492032 504032 507904 584288 598538 603136 622592 693842 716224 739328 796669 822368 848896 976562 984064 1008064 1015808 1168576 1197076 1206272 1245184 1387684 1432448 1478656 1593338 1644736 1697792 1953124 1968128 2016128 2031616 2337152 2394152 2412544 2775368 2864896 2957312 3186676 3289472 3395584 3906248 3936256 4032256 4674304 4788304 4825088 5550736 5729792 5914624 6373352 6578944 6791168 7812496 7872512 8064512 9277339 9348608 9576608 9650176 11101472 11459584 11829248 12746704 13157888 13582336 15136711 15624992 15745024 16129024 18554678 18697216 19153216 19300352 22202944 22919168 23658496 25493408 26315776 27164672 30273422 31249984 31490048 32258048 37109356 37394432 38306432 38600704 44405888 45838336 50986816 52631552 54329344 60546844 62499968 62980096 64516096 74218712 74788864 76612864 88811776 91676672 101973632 105263104 121093688 124999936 129032192 148437424 149577728 153225728 177623552 183353344 203947264 210526208 242187376 249999872 258064384 287597509 296874848 299155456 306451456 355247104 366706688 407894528 421052416 484374752 499999744 516128768 575195018 593749696 598310912 612902912 710494208 733413376 815789056 842104832 968749504 999999488 1032257536 1150390036 1187499392 1196621824 1225805824 1420988416 1631578112 1684209664 1937499008 1999998976 2300780072 2374998784 2451611648 2841976832 3263156224 3874998016 3999997952 4601560144 4749997568 4903223296 5683953664 6526312448 7749996032 7999995904 9203120288 9499995136 9806446592 11367907328 13052624896 15499992064 15999991808 18406240576 18999990272 19612893184 22735814656 26105249792 30999984128 31999983616 36812481152 37999980544 52210499584 61999968256 73624962304 75999961088 123999936512 147249924608 151999922176 247999873024 294499849216 303999844352 495999746048 588999698432 607999688704 991999492096 1177999396864 2355998793728 4711997587456 9423995174912 18847990349824
• Sum of all divisors σ(n): 41158442253690
• Sum of proper divisors (its aliquot sum) s(n): 22310451903866
• 18847990349824 is an abundant number, because the sum of its proper divisors (22310451903866) is greater than itself. Its abundance is 3462461554042

Bases of 18847990349824

• Binary: 100010010010001100011110001010000000000000000₂
• Hexadecimal: 0x112463C50000
• Base-36: 6OINATAF4

Squares and roots of 18847990349824

• 18847990349824 squared (18847990349824²) is 355246740227058629896830976
• 18847990349824 cubed (18847990349824³) is 6695687131606034438899729412367239348224
• The square root of 18847990349824 is 4341427.2249830469
• The cube root of 18847990349824 is 26612.6639671467

Scales and comparisons

• 18,847,990,349,824 seconds is equal to 599,307 years, 41 weeks, 1 day, 10 hours, 57 minutes, 4 seconds.
• To count from 1 to 18,847,990,349,824 would take you about one million, four hundred ninety-eight thousand, two hundred sixty-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 18847990349824 cubic inches would be around 2217.7 feet tall.

Recreational maths with 18847990349824

• 18847990349824 backwards is 42894309974881
• 18847990349824 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18847990349824's digits is 76
• More coming soon!