31388620745472

Names of 31388620745472

• Cardinal: 31388620745472 can be written as Thirty-one trillion, three hundred eighty-eight billion, six hundred twenty million, seven hundred forty-five thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 3.1388620745472 × 10¹³

Factors of 31388620745472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 543

Divisors of 31388620745472

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 96 102 128 136 192 204 256 272 289 384 408 521 544 578 768 816 867 1042 1088 1156 1563 1632 1734 2084 2176 2312 3126 3264 3468 4168 4352 4624 6252 6528 6936 8336 8857 9248 12504 13056 13872 16672 17714 18496 25008 26571 27744 33344 35428 36992 50016 53142 55488 66688 70856 73984 100032 106284 110976 133376 141712 150569 200064 212568 221952 271441 283424 301138 400128 425136 451707 542882 566848 602276 814323 850272 903414 1085764 1133696 1204552 1628646 1700544 1806828 2171528 2267392 2409104 3257292 3401088 3613656 4343056 4614497 4818208 6514584 6802176 7227312 8686112 9228994 9636416 13029168 13843491 14454624 17372224 18457988 19272832 26058336 27686982 28909248 34744448 36915976 38545664 52116672 55373964 57818496 69488896 73831952 78446449 104233344 110747928 115636992 141420761 147663904 156892898 208466688 221495856 235339347 282841522 295327808 313785796 424262283 442991712 470678694 565683044 590655616 627571592 848524566 885983424 941357388 1131366088 1181311232 1255143184 1697049132 1771966848 1882714776 2262732176 2404152937 2510286368 3394098264 3543933696 3765429552 4525464352 4808305874 5020572736 6788196528 7212458811 7530859104 9050928704 9616611748 10041145472 13576393056 14424917622 15061718208 18101857408 19233223496 20082290944 27152786112 28849835244 30123436416 36203714816 38466446992 40870599929 54305572224 57699670488 60246872832 76932893984 81741199858 108611144448 115399340976 122611799787 153865787968 163482399716 230798681952 245223599574 307731575936 326964799432 461597363904 490447199148 615463151872 653929598864 923194727808 980894398296 1307859197728 1846389455616 1961788796592 2615718395456 3923577593184 5231436790912 7847155186368 10462873581824 15694310372736 31388620745472
• Sum of all divisors σ(n): 88913317851792
• Sum of proper divisors (its aliquot sum) s(n): 57524697106320
• 31388620745472 is an abundant number, because the sum of its proper divisors (57524697106320) is greater than itself. Its abundance is 26136076360848

Bases of 31388620745472

• Binary: 111001000110000111011100101101110101100000000₂
• Hexadecimal: 0x1C8C3B96EB00
• Base-36: B4JQED0QO

Squares and roots of 31388620745472

• 31388620745472 squared (31388620745472²) is 985245512303075213008502784
• 31388620745472 cubed (31388620745472³) is 30925497726859495240141035847792667394048
• The square root of 31388620745472 is 5602554.8409160621
• The cube root of 31388620745472 is 31544.5312038325

Scales and comparisons

• 31,388,620,745,472 seconds is equal to 998,061 years, 2 weeks, 3 days, 14 hours, 11 minutes, 12 seconds.
• To count from 1 to 31,388,620,745,472 would take you about two million, four hundred ninety-five thousand, one hundred fifty-two 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 31388620745472 cubic inches would be around 2628.7 feet tall.

Recreational maths with 31388620745472

• 31388620745472 backwards is 27454702688313
• The number of decimal digits it has is: 14
• The sum of 31388620745472's digits is 60
• More coming soon!