21035409920
21,035,409,920 is an even composite number composed of five prime numbers multiplied together.
21035409920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 21035409920:
29 × 5 × 72 × 232 × 317
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 23 × 23 × 317)See below for interesting mathematical facts about the number 21035409920 from the Numbermatics database.
Names of 21035409920
- Cardinal: 21035409920 can be written as Twenty-one billion, thirty-five million, four hundred nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.103540992 × 1010
Factors of 21035409920
Divisors of 21035409920
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 23 28 32 35 40 46 49 56 64 70 80 92 98 112 115 128 140 160 161 184 196 224 230 245 256 280 317 320 322 368 392 448 460 490 512 529 560 634 640 644 736 784 805 896 920 980 1058 1120 1127 1268 1280 1288 1472 1568 1585 1610 1792 1840 1960 2116 2219 2240 2254 2536 2560 2576 2645 2944 3136 3170 3220 3584 3680 3703 3920 4232 4438 4480 4508 5072 5152 5290 5635 5888 6272 6340 6440 7291 7360 7406 7840 8464 8876 8960 9016 10144 10304 10580 11095 11270 11776 12544 12680 12880 14582 14720 14812 15533 15680 16928 17752 17920 18032 18515 20288 20608 21160 22190 22540 25088 25360 25760 25921 29164 29440 29624 31066 31360 33856 35504 36064 36455 37030 40576 41216 42320 44380 45080 50720 51037 51520 51842 58328 58880 59248 62132 62720 67712 71008 72128 72910 74060 77665 81152 82432 84640 88760 90160 101440 102074 103040 103684 116656 118496 124264 125440 129605 135424 142016 144256 145820 148120 155330 162304 167693 169280 177520 180320 202880 204148 206080 207368 233312 236992 248528 255185 259210 270848 284032 288512 291640 296240 310660 335386 338560 355040 357259 360640 405760 408296 412160 414736 466624 473984 497056 510370 518420 568064 577024 583280 592480 621320 670772 677120 710080 714518 721280 811520 816592 829472 838465 933248 947968 994112 1020740 1036840 1136128 1166560 1173851 1184960 1242640 1341544 1354240 1420160 1429036 1442560 1633184 1658944 1676930 1786295 1866496 1895936 1988224 2041480 2073680 2333120 2347702 2369920 2485280 2683088 2840320 2858072 2885120 3266368 3317888 3353860 3572590 3732992 3976448 4082960 4147360 4666240 4695404 4739840 4970560 5366176 5680640 5716144 5869255 6532736 6635776 6707720 7145180 7952896 8165920 8216957 8294720 9332480 9390808 9479680 9941120 10732352 11432288 11738510 13065472 13271552 13415440 14290360 16331840 16433914 16589440 18664960 18781616 19882240 21464704 22864576 23477020 26130944 26830880 28580720 32663680 32867828 33178880 37563232 39764480 41084785 42929408 45729152 46954040 53661760 57161440 65327360 65735656 66357760 75126464 82169570 85858816 91458304 93908080 107323520 114322880 130654720 131471312 150252928 164339140 182916608 187816160 214647040 228645760 262942624 300505856 328678280 375632320 429294080 457291520 525885248 601011712 657356560 751264640 914583040 1051770496 1314713120 1502529280 2103540992 2629426240 3005058560 4207081984 5258852480 10517704960 21035409920
- Sum of all divisors σ(n): 61525335564
- Sum of proper divisors (its aliquot sum) s(n): 40489925644
- 21035409920 is an abundant number, because the sum of its proper divisors (40489925644) is greater than itself. Its abundance is 19454515724
Bases of 21035409920
- Binary: 100111001011100111011100010000000002
- Hexadecimal: 0x4E5CEE200
- Base-36: 9NVXU68
Squares and roots of 21035409920
- 21035409920 squared (210354099202) is 442488470502434406400
- 21035409920 cubed (210354099203) is 9307926361892536096535871488000
-
The
square root of 21035409920 is 145035.8918337113 -
The
cube root of 21035409920 is 2760.4739926675
Scales and comparisons
How big is 21035409920?- 21,035,409,920 seconds is equal to 668 years, 44 weeks, 5 days, 9 hours, 25 minutes, 20 seconds.
-
To count from 1 to 21,035,409,920 would take you about one thousand, three hundred thirty-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 21035409920 cubic inches would be around 230 feet tall.
Recreational maths with 21035409920
- 21035409920 backwards is 02990453012
- 21035409920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21035409920's digits is 35
- More coming soon!
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