3128398684740

Names of 3128398684740

• Cardinal: 3128398684740 can be written as Three trillion, one hundred twenty-eight billion, three hundred ninety-eight million, six hundred eighty-four thousand, seven hundred forty.

Scientific notation

• Scientific notation: 3.12839868474 × 10¹²

Factors of 3128398684740

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 106734

Divisors of 3128398684740

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 61 63 70 84 90 105 122 126 140 180 183 210 244 252 305 315 366 383 420 427 549 610 630 732 766 854 915 1098 1149 1220 1260 1281 1532 1708 1830 1915 2135 2196 2298 2562 2681 2745 3447 3660 3830 3843 4270 4596 5124 5362 5490 5745 6405 6894 7660 7686 8043 8540 10724 10980 11490 12810 13405 13788 15372 16086 17235 19215 22980 23363 24129 25620 26810 32172 34470 38430 40215 46726 48258 53620 68940 70089 76860 80430 93452 96516 106273 116815 120645 140178 160860 163541 210267 212546 233630 241290 280356 318819 327082 350445 420534 425092 467260 482580 490623 531365 637638 654164 700890 743911 817705 841068 956457 981246 1051335 1062730 1275276 1401780 1471869 1487822 1594095 1635410 1912914 1962492 2102670 2125460 2231733 2453115 2943738 2975644 3188190 3270820 3719555 3825828 4205340 4463466 4782285 4906230 5887476 6376380 6482653 6695199 7359345 7439110 8926932 9564570 9812460 11158665 12965306 13390398 14718690 14878220 19129140 19447959 22317330 25930612 26780796 29437380 32413265 33475995 38895918 40702559 44634660 45378571 58343877 64826530 66951990 77791836 81405118 90757142 97239795 116687754 122107677 129653060 133903980 136135713 162810236 181514284 194479590 203512795 226892855 233375508 244215354 272271426 284917913 291719385 366323031 388959180 407025590 408407139 453785710 488430708 544542852 569835826 583438770 610538385 680678565 732646062 814051180 816814278 854753739 907571420 1139671652 1166877540 1221076770 1361357130 1424589565 1465292124 1633628556 1709507478 1831615155 2042035695 2442153540 2482856099 2564261217 2722714260 2849179130 3419014956 3663230310 4084071390 4273768695 4965712198 5128522434 5698358260 7326460620 7448568297 8168142780 8547537390 9931424396 10257044868 12414280495 12821306085 14897136594 17095074780 17379992693 22345704891 24828560990 25642612170 29794273188 34759985386 37242841485 44691409782 49657121980 51285224340 52139978079 69519970772 74485682970 86899963465 89382819564 104279956158 111728524455 148971365940 156419934237 173799926930 208559912316 223457048910 260699890395 312839868474 347599853860 446914097820 521399780790 625679736948 782099671185 1042799561580 1564199342370 3128398684740
• Sum of all divisors σ(n): 11051788640256
• Sum of proper divisors (its aliquot sum) s(n): 7923389955516
• 3128398684740 is an abundant number, because the sum of its proper divisors (7923389955516) is greater than itself. Its abundance is 4794991270776

Bases of 3128398684740

• Binary: 101101100001100011000101111010001001000100₂
• Hexadecimal: 0x2D86317A244
• Base-36: 13X5ZSY10

Squares and roots of 3128398684740

• 3128398684740 squared (3128398684740²) is 9786878330682961908867600
• 3128398684740 cubed (3128398684740³) is 30617257297418984821628919582800424000
• The square root of 3128398684740 is 1768727.9849485053
• The cube root of 3128398684740 is 14625.3869384893

Scales and comparisons

• 3,128,398,684,740 seconds is equal to 99,473 years, 20 weeks, 6 days, 2 hours, 39 minutes.
• To count from 1 to 3,128,398,684,740 would take you about two hundred forty-eight thousand, six hundred eighty-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 3128398684740 cubic inches would be around 1218.8 feet tall.

Recreational maths with 3128398684740

• 3128398684740 backwards is 0474868938213
• 3128398684740 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 3128398684740's digits is 63
• More coming soon!