9985405040

Names of 9985405040

• Cardinal: 9985405040 can be written as Nine billion, nine hundred eighty-five million, four hundred five thousand and forty.

Scientific notation

• Scientific notation: 9.98540504 × 10⁹

Factors of 9985405040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 251

Divisors of 9985405040

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 31 40 52 62 65 80 97 103 104 124 130 155 194 206 208 248 260 310 388 403 412 485 496 515 520 620 776 806 824 961 970 1030 1040 1240 1261 1339 1552 1612 1648 1922 1940 2015 2060 2480 2522 2678 3007 3193 3224 3844 3880 4030 4120 4805 5044 5356 6014 6305 6386 6448 6695 7688 7760 8060 8240 9610 9991 10088 10712 12028 12493 12610 12772 13390 15035 15376 15965 16120 19220 19982 20176 21424 24056 24986 25220 25544 26780 30070 31930 32240 38440 39091 39964 41509 48112 49955 49972 50440 51088 53560 60140 62465 63860 76880 78182 79928 83018 93217 98983 99910 99944 100880 107120 120280 124930 127720 129883 156364 159856 166036 186434 195455 197966 199820 199888 207545 240560 249860 255440 259766 309721 312728 332072 372868 390910 395932 399640 415090 466085 494915 499720 519532 619442 625456 649415 664144 745736 781820 791864 799280 830180 932170 989830 999440 1039064 1211821 1238884 1286779 1298830 1491472 1548605 1563640 1583728 1660360 1864340 1979660 2078128 2423642 2477768 2573558 2597660 3097210 3127280 3320720 3728680 3959320 4026373 4847284 4955536 5147116 5195320 6059105 6194420 6433895 7457360 7918640 8052746 9601351 9694568 10294232 10390640 12118210 12388840 12867790 16105492 19202702 19389136 20131865 20588464 24236420 24777680 25735580 32210984 38405404 40263730 48006755 48472840 51471160 64421968 76810808 80527460 96013510 96945680 102942320 124817563 153621616 161054920 192027020 249635126 322109840 384054040 499270252 624087815 768108080 998540504 1248175630 1997081008 2496351260 4992702520 9985405040
• Sum of all divisors σ(n): 26354188224
• Sum of proper divisors (its aliquot sum) s(n): 16368783184
• 9985405040 is an abundant number, because the sum of its proper divisors (16368783184) is greater than itself. Its abundance is 6383378144

Bases of 9985405040

• Binary: 1001010011001011010011000001110000₂
• Hexadecimal: 0x2532D3070
• Base-36: 4L51VU8

Squares and roots of 9985405040

• 9985405040 squared (9985405040²) is 99708313812857401600
• 9985405040 cubed (9985405040³) is 995627899276807914737944064000
• The square root of 9985405040 is 99926.9985539443
• The cube root of 9985405040 is 2153.3860501003

Scales and comparisons

• 9,985,405,040 seconds is equal to 317 years, 26 weeks, 1 day, 19 hours, 37 minutes, 20 seconds.
• To count from 1 to 9,985,405,040 would take you about six hundred thirty-five 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 9985405040 cubic inches would be around 179.4 feet tall.

Recreational maths with 9985405040

• 9985405040 backwards is 0405045899
• The number of decimal digits it has is: 10
• The sum of 9985405040's digits is 44
• More coming soon!