3985857889920

Names of 3985857889920

• Cardinal: 3985857889920 can be written as Three trillion, nine hundred eighty-five billion, eight hundred fifty-seven million, eight hundred eighty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.98585788992 × 10¹²

Factors of 3985857889920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 9746408

Divisors of 3985857889920

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 71 72 80 90 96 120 128 142 144 160 180 192 213 240 284 288 320 355 360 384 426 480 568 576 639 640 710 720 852 960 1065 1136 1152 1278 1420 1440 1704 1920 2130 2272 2556 2840 2880 3195 3408 4260 4544 5112 5680 5760 6390 6816 8520 9088 10224 11360 12780 13632 17040 20448 22720 25560 27264 34080 40896 45440 51120 68160 81792 102240 136320 204480 408960 9746327 19492654 29238981 38985308 48731635 58477962 77970616 87716943 97463270 116955924 146194905 155941232 175433886 194926540 233911848 292389810 311882464 350867772 389853080 438584715 467823696 584779620 623764928 691989217 701735544 779706160 877169430 935647392 1169559240 1247529856 1383978434 1403471088 1559412320 1754338860 1871294784 2075967651 2339118480 2767956868 2806942176 3118824640 3459946085 3508677720 3742589568 4151935302 4678236960 5535913736 5613884352 6227902953 6237649280 6919892170 7017355440 8303870604 9356473920 10379838255 11071827472 11227768704 12455805906 13839784340 14034710880 16607741208 18712947840 20759676510 22143654944 24911611812 27679568680 28069421760 31139514765 33215482416 41519353020 44287309888 49823223624 55359137360 56138843520 62279029530 66430964832 83038706040 88574619776 99646447248 110718274720 124558059060 132861929664 166077412080 199292894496 221436549440 249116118120 265723859328 332154824160 398585788992 442873098880 498232236240 664309648320 797171577984 996464472480 1328619296640 1992928944960 3985857889920
• Sum of all divisors σ(n): 13957521402240
• Sum of proper divisors (its aliquot sum) s(n): 9971663512320
• 3985857889920 is an abundant number, because the sum of its proper divisors (9971663512320) is greater than itself. Its abundance is 5985805622400

Bases of 3985857889920

• Binary: 111010000000000111101001001100011010000000₂
• Hexadecimal: 0x3A007A4C680
• Base-36: 1EV2SVJ40

Squares and roots of 3985857889920

• 3985857889920 squared (3985857889920²) is 15887063118637514837606400
• 3985857889920 cubed (3985857889920³) is 63323575879078379515974536967487488000
• The square root of 3985857889920 is 1996461.3419548099
• The cube root of 3985857889920 is 15855.2807621027

Scales and comparisons

• 3,985,857,889,920 seconds is equal to 126,737 years, 49 weeks, 3 days, 11 hours, 12 minutes.
• To count from 1 to 3,985,857,889,920 would take you about three hundred sixteen thousand, eight hundred forty-four 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 3985857889920 cubic inches would be around 1321.3 feet tall.

Recreational maths with 3985857889920

• 3985857889920 backwards is 0299887585893
• The number of decimal digits it has is: 13
• The sum of 3985857889920's digits is 81
• More coming soon!