8421990400
8,421,990,400 is an even composite number composed of five prime numbers multiplied together.
8421990400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 8421990400:
213 × 52 × 17 × 41 × 59
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 17 × 41 × 59)See below for interesting mathematical facts about the number 8421990400 from the Numbermatics database.
Names of 8421990400
- Cardinal: 8421990400 can be written as Eight billion, four hundred twenty-one million, nine hundred ninety thousand, four hundred.
Scientific notation
- Scientific notation: 8.4219904 × 109
Factors of 8421990400
Divisors of 8421990400
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 25 32 34 40 41 50 59 64 68 80 82 85 100 118 128 136 160 164 170 200 205 236 256 272 295 320 328 340 400 410 425 472 512 544 590 640 656 680 697 800 820 850 944 1003 1024 1025 1088 1180 1280 1312 1360 1394 1475 1600 1640 1700 1888 2006 2048 2050 2176 2360 2419 2560 2624 2720 2788 2950 3200 3280 3400 3485 3776 4012 4096 4100 4352 4720 4838 5015 5120 5248 5440 5576 5900 6400 6560 6800 6970 7552 8024 8192 8200 8704 9440 9676 10030 10240 10496 10880 11152 11800 12095 12800 13120 13600 13940 15104 16048 16400 17408 17425 18880 19352 20060 20480 20992 21760 22304 23600 24190 25075 25600 26240 27200 27880 30208 32096 32800 34816 34850 37760 38704 40120 40960 41123 41984 43520 44608 47200 48380 50150 51200 52480 54400 55760 60416 60475 64192 65600 69632 69700 75520 77408 80240 82246 83968 87040 89216 94400 96760 100300 102400 104960 108800 111520 120832 120950 128384 131200 139264 139400 151040 154816 160480 164492 167936 174080 178432 188800 193520 200600 204800 205615 209920 217600 223040 241664 241900 256768 262400 278800 302080 309632 320960 328984 335872 348160 356864 377600 387040 401200 411230 419840 435200 446080 483328 483800 513536 524800 557600 604160 619264 641920 657968 696320 713728 755200 774080 802400 822460 839680 870400 892160 967600 1027072 1028075 1049600 1115200 1208320 1238528 1283840 1315936 1427456 1510400 1548160 1604800 1644920 1679360 1740800 1784320 1935200 2054144 2056150 2099200 2230400 2416640 2477056 2567680 2631872 2854912 3020800 3096320 3209600 3289840 3481600 3568640 3870400 4108288 4112300 4198400 4460800 4954112 5135360 5263744 5709824 6041600 6192640 6419200 6579680 7137280 7740800 8216576 8224600 8396800 8921600 9908224 10270720 10527488 12083200 12385280 12838400 13159360 14274560 15481600 16449200 17843200 19816448 20541440 21054976 24770560 25676800 26318720 28549120 30963200 32898400 35686400 41082880 42109952 49541120 51353600 52637440 61926400 65796800 71372800 84219904 99082240 102707200 105274880 123852800 131593600 142745600 168439808 205414400 210549760 247705600 263187200 336879616 421099520 495411200 526374400 842199040 1052748800 1684398080 2105497600 4210995200 8421990400
- Sum of all divisors σ(n): 23037119280
- Sum of proper divisors (its aliquot sum) s(n): 14615128880
- 8421990400 is an abundant number, because the sum of its proper divisors (14615128880) is greater than itself. Its abundance is 6193138480
Bases of 8421990400
- Binary: 1111101011111110101100000000000002
- Hexadecimal: 0x1F5FD6000
- Base-36: 3VA8HDS
Squares and roots of 8421990400
- 8421990400 squared (84219904002) is 70929922297692160000
- 8421990400 cubed (84219904003) is 597371124663909313675264000000
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The
square root of 8421990400 is 91771.4029532075 -
The
cube root of 8421990400 is 2034.5650538307
Scales and comparisons
How big is 8421990400?- 8,421,990,400 seconds is equal to 267 years, 41 weeks, 1 day, 17 hours, 46 minutes, 40 seconds.
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To count from 1 to 8,421,990,400 would take you about five 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 8421990400 cubic inches would be around 169.5 feet tall.
Recreational maths with 8421990400
- 8421990400 backwards is 0040991248
- The number of decimal digits it has is: 10
- The sum of 8421990400's digits is 37
- More coming soon!
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