13218958620

Names of 13218958620

• Cardinal: 13218958620 can be written as Thirteen billion, two hundred eighteen million, nine hundred fifty-eight thousand, six hundred twenty.

Scientific notation

• Scientific notation: 1.321895862 × 10¹⁰

Factors of 13218958620

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1261

Divisors of 13218958620

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 31 35 36 42 45 54 60 62 63 70 81 84 90 93 105 108 124 126 135 140 155 162 180 186 189 210 217 252 270 279 310 315 324 372 378 405 420 434 465 540 558 567 620 630 651 756 810 837 868 930 945 961 1085 1116 1134 1213 1260 1302 1395 1620 1674 1860 1890 1922 1953 2170 2268 2426 2511 2604 2790 2835 2883 3255 3348 3639 3780 3844 3906 4185 4340 4805 4852 5022 5580 5670 5766 5859 6065 6510 6727 7278 7812 8370 8491 8649 9610 9765 10044 10917 11340 11532 11718 12130 12555 13020 13454 14415 14556 16740 16982 17298 17577 18195 19220 19530 20181 21834 23436 24260 25110 25473 25947 26908 28830 29295 32751 33635 33964 34596 35154 36390 37603 39060 40362 42455 43245 43668 50220 50946 51894 54585 57660 58590 60543 65502 67270 70308 72780 75206 76419 77841 80724 84910 86490 87885 98253 100905 101892 103788 109170 112809 117180 121086 127365 129735 131004 134540 150412 152838 155682 163755 169820 172980 175770 181629 188015 196506 201810 218340 225618 229257 242172 254730 259470 263221 302715 305676 311364 327510 338427 351540 363258 376030 382095 389205 393012 403620 451236 458514 491265 509460 518940 526442 544887 564045 605430 655020 676854 687771 726516 752060 764190 778410 789663 908145 917028 982530 1015281 1052884 1089774 1128090 1146285 1165693 1210860 1316105 1353708 1375542 1528380 1556820 1579326 1692135 1816290 1965060 2030562 2179548 2256180 2292570 2331386 2368989 2632210 2724435 2751084 3045843 3158652 3384270 3438855 3497079 3632580 3948315 4061124 4585140 4662772 4737978 5076405 5264420 5448870 5828465 6091686 6768540 6877710 6994158 7106967 7896630 8159851 9475956 10152810 10491237 10897740 11656930 11844945 12183372 13755420 13988316 14213934 15229215 15793260 16319702 17485395 20305620 20982474 21320901 23313860 23689890 24479553 28427868 30458430 31473711 32639404 34970790 35534835 40799255 41964948 42641802 47379780 48959106 52456185 60916860 62947422 69941580 71069670 73438659 81598510 85283604 94421133 97918212 104912370 106604505 122397765 125894844 142139340 146877318 157368555 163197020 188842266 209824740 213209010 220315977 244795530 293754636 314737110 367193295 377684532 426418020 440631954 472105665 489591060 629474220 660947931 734386590 881263908 944211330 1101579885 1321895862 1468773180 1888422660 2203159770 2643791724 3304739655 4406319540 6609479310 13218958620
• Sum of all divisors σ(n): 49010889312
• Sum of proper divisors (its aliquot sum) s(n): 35791930692
• 13218958620 is an abundant number, because the sum of its proper divisors (35791930692) is greater than itself. Its abundance is 22572972072

Bases of 13218958620

• Binary: 1100010011111010010100110100011100₂
• Hexadecimal: 0x313E94D1C
• Base-36: 62M85R0

Squares and roots of 13218958620

• 13218958620 squared (13218958620²) is 174740866997272304400
• 13218958620 cubed (13218958620³) is 2309892290059866244735643928000
• The square root of 13218958620 is 114973.7301299737
• The cube root of 13218958620 is 2364.4624117983

Scales and comparisons

• 13,218,958,620 seconds is equal to 420 years, 16 weeks, 5 days, 4 hours, 57 minutes.
• To count from 1 to 13,218,958,620 would take you about eight hundred forty 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 13218958620 cubic inches would be around 197 feet tall.

Recreational maths with 13218958620

• 13218958620 backwards is 02685981231
• 13218958620 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13218958620's digits is 45
• More coming soon!