18989825946

Names of 18989825946

• Cardinal: 18989825946 can be written as Eighteen billion, nine hundred eighty-nine million, eight hundred twenty-five thousand, nine hundred forty-six.

Scientific notation

• Scientific notation: 1.8989825946 × 10¹⁰

Factors of 18989825946

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 712

Divisors of 18989825946

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 13 14 21 26 39 42 67 73 78 91 134 146 169 182 201 219 273 338 402 438 469 507 511 546 547 871 938 949 1014 1022 1094 1183 1407 1533 1641 1742 1898 2366 2613 2814 2847 3066 3282 3549 3829 4891 5226 5694 6097 6643 7098 7111 7658 9782 11323 11487 12194 12337 13286 14222 14673 18291 19929 21333 22646 22974 24674 29346 33969 34237 36582 36649 37011 39858 39931 42666 49777 63583 67938 68474 73298 74022 79261 79862 86359 92443 99554 102711 109947 119793 127166 149331 158522 172718 184886 190749 205422 219894 237783 239586 256543 259077 277329 279517 298662 381498 445081 475566 476437 513086 518154 519103 554658 559034 647101 769629 826579 838551 890162 952874 1038206 1294202 1335243 1429311 1539258 1557309 1653158 1677102 1941303 2479737 2670486 2675377 2858622 3114618 3335059 3633721 3882606 4959474 5350754 5786053 6193681 6670118 6748339 7267442 8026131 10005177 10901163 11572106 12387362 13496678 16052262 17358159 18581043 18727639 20010354 20245017 21802326 34716318 34779901 37162086 37455278 40490034 43355767 47238373 56182917 69559802 86711534 94476746 104339703 112365834 130067301 141715119 208679406 243459307 260134602 283430238 452138713 486918614 730377921 904277426 1356416139 1460755842 2712832278 3164970991 6329941982 9494912973 18989825946
• Sum of all divisors σ(n): 48444392448
• Sum of proper divisors (its aliquot sum) s(n): 29454566502
• 18989825946 is an abundant number, because the sum of its proper divisors (29454566502) is greater than itself. Its abundance is 10464740556

Bases of 18989825946

• Binary: 10001101011111000011011111110011010₂
• Hexadecimal: 0x46BE1BF9A
• Base-36: 8Q21VH6

Squares and roots of 18989825946

• 18989825946 squared (18989825946²) is 360613489459374794916
• 18989825946 cubed (18989825946³) is 6847987398613232993434285690536
• The square root of 18989825946 is 137803.5774063939
• The cube root of 18989825946 is 2667.9252748675

Scales and comparisons

• 18,989,825,946 seconds is equal to 603 years, 42 weeks, 3 days, 15 hours, 39 minutes, 6 seconds.
• To count from 1 to 18,989,825,946 would take you about one thousand, two hundred seven 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 18989825946 cubic inches would be around 222.3 feet tall.

Recreational maths with 18989825946

• 18989825946 backwards is 64952898981
• The number of decimal digits it has is: 11
• The sum of 18989825946's digits is 69
• More coming soon!