990025920

Names of 990025920

• Cardinal: 990025920 can be written as Nine hundred ninety million, twenty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 9.9002592 × 10⁸

Factors of 990025920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 907

Divisors of 990025920

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 31 32 36 39 40 45 48 52 60 62 64 65 72 78 80 90 93 96 104 117 120 124 130 144 155 156 160 180 186 192 195 208 234 240 248 260 279 288 310 312 320 360 372 390 403 416 465 468 480 496 520 558 576 585 620 624 720 744 780 806 832 853 930 936 960 992 1040 1116 1170 1209 1240 1248 1395 1440 1488 1560 1612 1706 1860 1872 1984 2015 2080 2232 2340 2418 2480 2496 2559 2790 2880 2976 3120 3224 3412 3627 3720 3744 4030 4160 4265 4464 4680 4836 4960 5118 5580 5952 6045 6240 6448 6824 7254 7440 7488 7677 8060 8530 8928 9360 9672 9920 10236 11089 11160 12090 12480 12795 12896 13648 14508 14880 15354 16120 17060 17856 18135 18720 19344 20472 22178 22320 24180 25590 25792 26443 27296 29016 29760 30708 32240 33267 34120 36270 37440 38385 38688 40944 44356 44640 48360 51180 52886 54592 55445 58032 61416 64480 66534 68240 72540 76770 77376 79329 81888 88712 89280 96720 99801 102360 105772 110890 116064 122832 128960 132215 133068 136480 145080 153540 158658 163776 166335 177424 193440 199602 204720 211544 221780 232128 237987 245664 264430 266136 272960 290160 307080 317316 332670 343759 354848 386880 396645 399204 409440 423088 443560 475974 491328 499005 528860 532272 580320 614160 634632 665340 687518 709696 793290 798408 818880 846176 887120 951948 998010 1031277 1057720 1064544 1160640 1189935 1228320 1269264 1330680 1375036 1586580 1596816 1692352 1718795 1774240 1903896 1996020 2062554 2115440 2129088 2379870 2456640 2538528 2661360 2750072 3093831 3173160 3193632 3437590 3548480 3807792 3992040 4125108 4230880 4759740 5077056 5156385 5322720 5500144 6187662 6346320 6387264 6875180 7615584 7984080 8250216 8461760 9519480 10312770 10645440 11000288 12375324 12692640 13750360 15231168 15469155 15968160 16500432 19038960 20625540 22000576 24750648 25385280 27500720 30938310 31936320 33000864 38077920 41251080 49501296 55001440 61876620 66001728 76155840 82502160 99002592 110002880 123753240 165004320 198005184 247506480 330008640 495012960 990025920
• Sum of all divisors σ(n): 3789956352
• Sum of proper divisors (its aliquot sum) s(n): 2799930432
• 990025920 is an abundant number, because the sum of its proper divisors (2799930432) is greater than itself. Its abundance is 1809904512

Bases of 990025920

• Binary: 111011000000101001100011000000₂
• Hexadecimal: 0x3B0298C0
• Base-36: GDFOW0

Squares and roots of 990025920

• 990025920 squared (990025920²) is 980151322271846400
• 990025920 cubed (990025920³) is 970375214571401222258688000
• The square root of 990025920 is 31464.6773382471
• The cube root of 990025920 is 996.6641914209

Scales and comparisons

• 990,025,920 seconds is equal to 31 years, 24 weeks, 6 days, 15 hours, 12 minutes.
• To count from 1 to 990,025,920 would take you about forty-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 990025920 cubic inches would be around 83.1 feet tall.

Recreational maths with 990025920

• 990025920 backwards is 029520099
• 990025920 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 990025920's digits is 36
• More coming soon!