28009376640
28,009,376,640 is an even composite number composed of five prime numbers multiplied together.
What does the number 28009376640 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 256 divisors.
28009376640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 28009376640:
27 × 33 × 5 × 7 × 231559
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 231559)See below for interesting mathematical facts about the number 28009376640 from the Numbermatics database.
Names of 28009376640
- Cardinal: 28009376640 can be written as Twenty-eight billion, nine million, three hundred seventy-six thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.800937664 × 1010
Factors of 28009376640
Divisors of 28009376640
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 64 70 72 80 84 90 96 105 108 112 120 126 128 135 140 144 160 168 180 189 192 210 216 224 240 252 270 280 288 315 320 336 360 378 384 420 432 448 480 504 540 560 576 630 640 672 720 756 840 864 896 945 960 1008 1080 1120 1152 1260 1344 1440 1512 1680 1728 1890 1920 2016 2160 2240 2520 2688 2880 3024 3360 3456 3780 4032 4320 4480 5040 5760 6048 6720 7560 8064 8640 10080 12096 13440 15120 17280 20160 24192 30240 40320 60480 120960 231559 463118 694677 926236 1157795 1389354 1620913 1852472 2084031 2315590 2778708 3241826 3473385 3704944 4168062 4631180 4862739 5557416 6252093 6483652 6946770 7409888 8104565 8336124 9262360 9725478 10420155 11114832 12504186 12967304 13893540 14588217 14819776 16209130 16672248 18524720 19450956 20840310 22229664 24313695 25008372 25934608 27787080 29176434 29639552 31260465 32418260 33344496 37049440 38901912 41680620 43764651 44459328 48627390 50016744 51869216 55574160 58352868 62520930 64836520 66688992 72941085 74098880 77803824 83361240 87529302 88918656 97254780 100033488 103738432 111148320 116705736 125041860 129673040 133377984 145882170 148197760 155607648 166722480 175058604 194509560 200066976 207476864 218823255 222296640 233411472 250083720 259346080 266755968 291764340 311215296 333444960 350117208 389019120 400133952 437646510 444593280 466822944 500167440 518692160 583528680 622430592 666889920 700234416 778038240 800267904 875293020 933645888 1000334880 1037384320 1167057360 1333779840 1400468832 1556076480 1750586040 1867291776 2000669760 2334114720 2800937664 3112152960 3501172080 4001339520 4668229440 5601875328 7002344160 9336458880 14004688320 28009376640
- Sum of all divisors σ(n): 113371776000
- Sum of proper divisors (its aliquot sum) s(n): 85362399360
- 28009376640 is an abundant number, because the sum of its proper divisors (85362399360) is greater than itself. Its abundance is 57353022720
Bases of 28009376640
- Binary: 110100001010111110100101011100000002
- Hexadecimal: 0x6857D2B80
- Base-36: CV825C0
Squares and roots of 28009376640
- 28009376640 squared (280093766402) is 784525179761377689600
- 28009376640 cubed (280093766403) is 21974061243500133033299410944000
-
The
square root of 28009376640 is 167360.0210325035 -
The
cube root of 28009376640 is 3036.9278983503
Scales and comparisons
How big is 28009376640?- 28,009,376,640 seconds is equal to 890 years, 31 weeks, 5 days, 14 hours, 24 minutes.
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To count from 1 to 28,009,376,640 would take you about one thousand, seven hundred eighty-one 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 28009376640 cubic inches would be around 253.1 feet tall.
Recreational maths with 28009376640
- 28009376640 backwards is 04667390082
- 28009376640 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28009376640's digits is 45
- More coming soon!
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