981815013440

Names of 981815013440

• Cardinal: 981815013440 can be written as Nine hundred eighty-one billion, eight hundred fifteen million, thirteen thousand, four hundred forty.

Scientific notation

• Scientific notation: 9.8181501344 × 10¹¹

Factors of 981815013440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 12219

Divisors of 981815013440

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 23 32 34 40 46 64 68 80 85 92 115 136 160 170 184 230 272 320 340 368 391 460 544 680 683 736 782 920 1088 1360 1366 1472 1564 1840 1955 2720 2732 3128 3415 3680 3910 5440 5464 6256 6830 7360 7820 10928 11489 11611 12512 13660 15640 15709 21856 22978 23222 25024 27320 31280 31418 43712 45956 46444 54640 57445 58055 62560 62836 78545 91912 92888 109280 114890 116110 125120 125672 157090 183824 185776 195313 218560 229780 232220 251344 264247 267053 314180 367648 371552 390626 459560 464440 502688 528494 534106 628360 735296 743104 781252 919120 928880 976565 1005376 1056988 1068212 1256720 1321235 1335265 1562504 1838240 1857760 1953130 2113976 2136424 2513440 2642470 2670530 3125008 3676480 3715520 3906260 4227952 4272848 4492199 5026880 5284940 5341060 6250016 7812520 7846987 8455904 8545696 8984398 10569880 10682120 12500032 15625040 15693974 16911808 17091392 17968796 21139760 21364240 22460995 31250080 31387948 35937592 39234935 42279520 42728480 44921990 62500160 62775896 71875184 78469870 84559040 85456960 89843980 125551792 133398779 143750368 156939740 179687960 180480701 251103584 266797558 287500736 313879480 359375920 360961402 502207168 533595116 627758960 666993895 718751840 721922804 902403505 1067190232 1255517920 1333987790 1437503680 1443845608 1804807010 2134380464 2511035840 2667975580 2887691216 3068171917 3609614020 4268760928 5335951160 5775382432 6136343834 7219228040 8537521856 10671902320 11550764864 12272687668 14438456080 15340859585 21343804640 24545375336 28876912160 30681719170 42687609280 49090750672 57753824320 61363438340 98181501344 122726876680 196363002688 245453753360 490907506720 981815013440
• Sum of all divisors σ(n): 2587109725440
• Sum of proper divisors (its aliquot sum) s(n): 1605294712000
• 981815013440 is an abundant number, because the sum of its proper divisors (1605294712000) is greater than itself. Its abundance is 623479698560

Bases of 981815013440

• Binary: 1110010010011000101111000011000001000000₂
• Hexadecimal: 0xE498BC3040
• Base-36: CJ1FB4U8

Squares and roots of 981815013440

• 981815013440 squared (981815013440²) is 963960720616187380633600
• 981815013440 cubed (981815013440³) is 946431107867414098198336379715584000
• The square root of 981815013440 is 990865.7898222141
• The cube root of 981815013440 is 9939.0121828999

Scales and comparisons

• 981,815,013,440 seconds is equal to 31,218 years, 35 weeks, 2 days, 16 hours, 37 minutes, 20 seconds.
• To count from 1 to 981,815,013,440 would take you about sixty-two thousand, four hundred thirty-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 981815013440 cubic inches would be around 828.3 feet tall.

Recreational maths with 981815013440

• 981815013440 backwards is 044310518189
• The number of decimal digits it has is: 12
• The sum of 981815013440's digits is 44
• More coming soon!