18130913970

Names of 18130913970

• Cardinal: 18130913970 can be written as Eighteen billion, one hundred thirty million, nine hundred thirteen thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 1.813091397 × 10¹⁰

Factors of 18130913970

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 817

Divisors of 18130913970

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 10 13 15 19 26 29 30 38 39 57 58 65 78 87 95 114 130 139 145 174 190 195 247 278 285 290 377 390 417 435 494 551 570 607 695 741 754 834 870 1102 1131 1214 1235 1390 1482 1653 1807 1821 1885 2085 2262 2470 2641 2755 3035 3306 3614 3642 3705 3770 4031 4170 5282 5421 5510 5655 6070 7163 7410 7891 7923 8062 8265 9035 9105 10842 11310 11533 12093 13205 14326 15782 15846 16530 17603 18070 18210 20155 21489 23066 23673 24186 26410 27105 34333 34599 35206 35815 39455 39615 40310 42978 47346 52403 52809 54210 57665 60465 68666 69198 71630 76589 78910 79230 84373 88015 102999 104806 105618 107445 115330 118365 120930 149929 153178 157209 168746 171665 172995 176030 205998 214890 228839 229767 236730 253119 262015 264045 299858 314418 334457 343330 345990 382945 421865 449787 457678 459534 506238 514995 524030 528090 668914 686517 749645 765890 786045 843730 899574 995657 1003371 1029990 1096849 1144195 1148835 1265595 1373034 1499290 1572090 1603087 1672285 1991314 2006742 2193698 2248935 2288390 2297670 2446817 2531190 2986971 3206174 3290547 3344570 3432585 4347941 4497870 4809261 4893634 4978285 5016855 5484245 5973942 6581094 6865170 7340451 8015435 8695882 9618522 9956570 10033710 10968490 12234085 13043823 14680902 14934855 16030870 16452735 20840131 21739705 24046305 24468170 26087646 29869710 31808621 32905470 36702255 41680262 43479410 46489523 48092610 62520393 63617242 65219115 73404510 92979046 95425863 104200655 125040786 130438230 139468569 159043105 190851726 208401310 232447615 278937138 312601965 318086210 464895230 477129315 604363799 625203930 697342845 954258630 1208727598 1394685690 1813091397 3021818995 3626182794 6043637990 9065456985 18130913970
• Sum of all divisors σ(n): 51480576000
• Sum of proper divisors (its aliquot sum) s(n): 33349662030
• 18130913970 is an abundant number, because the sum of its proper divisors (33349662030) is greater than itself. Its abundance is 15218748060

Bases of 18130913970

• Binary: 10000111000101011111100101010110010₂
• Hexadecimal: 0x438AFCAB2
• Base-36: 8BUOER6

Squares and roots of 18130913970

• 18130913970 squared (18130913970²) is 328730041387541160900
• 18130913970 cubed (18130913970³) is 5960176099752048218111827773000
• The square root of 18130913970 is 134651.0823201953
• The cube root of 18130913970 is 2627.0796022921

Scales and comparisons

• 18,130,913,970 seconds is equal to 576 years, 26 weeks, 2 days, 12 hours, 59 minutes, 30 seconds.
• To count from 1 to 18,130,913,970 would take you about one thousand, one hundred fifty-three 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 18130913970 cubic inches would be around 218.9 feet tall.

Recreational maths with 18130913970

• 18130913970 backwards is 07931903181
• The number of decimal digits it has is: 11
• The sum of 18130913970's digits is 42
• More coming soon!