1998438400
1,998,438,400 is an even composite number composed of five prime numbers multiplied together.
1998438400 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 1998438400:
214 × 52 × 7 × 17 × 41
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 7 × 17 × 41)See below for interesting mathematical facts about the number 1998438400 from the Numbermatics database.
Names of 1998438400
- Cardinal: 1998438400 can be written as One billion, nine hundred ninety-eight million, four hundred thirty-eight thousand, four hundred.
Scientific notation
- Scientific notation: 1.9984384 × 109
Factors of 1998438400
Divisors of 1998438400
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 17 20 25 28 32 34 35 40 41 50 56 64 68 70 80 82 85 100 112 119 128 136 140 160 164 170 175 200 205 224 238 256 272 280 287 320 328 340 350 400 410 425 448 476 512 544 560 574 595 640 656 680 697 700 800 820 850 896 952 1024 1025 1088 1120 1148 1190 1280 1312 1360 1394 1400 1435 1600 1640 1700 1792 1904 2048 2050 2176 2240 2296 2380 2560 2624 2720 2788 2800 2870 2975 3200 3280 3400 3485 3584 3808 4096 4100 4352 4480 4592 4760 4879 5120 5248 5440 5576 5600 5740 5950 6400 6560 6800 6970 7168 7175 7616 8192 8200 8704 8960 9184 9520 9758 10240 10496 10880 11152 11200 11480 11900 12800 13120 13600 13940 14336 14350 15232 16384 16400 17408 17425 17920 18368 19040 19516 20480 20992 21760 22304 22400 22960 23800 24395 25600 26240 27200 27880 28672 28700 30464 32800 34816 34850 35840 36736 38080 39032 40960 41984 43520 44608 44800 45920 47600 48790 51200 52480 54400 55760 57344 57400 60928 65600 69632 69700 71680 73472 76160 78064 81920 83968 87040 89216 89600 91840 95200 97580 102400 104960 108800 111520 114688 114800 121856 121975 131200 139264 139400 143360 146944 152320 156128 167936 174080 178432 179200 183680 190400 195160 204800 209920 217600 223040 229600 243712 243950 262400 278528 278800 286720 293888 304640 312256 335872 348160 356864 358400 367360 380800 390320 409600 419840 435200 446080 459200 487424 487900 524800 557600 573440 587776 609280 624512 671744 696320 713728 716800 734720 761600 780640 839680 870400 892160 918400 974848 975800 1049600 1115200 1175552 1218560 1249024 1392640 1427456 1433600 1469440 1523200 1561280 1679360 1740800 1784320 1836800 1949696 1951600 2099200 2230400 2351104 2437120 2498048 2854912 2867200 2938880 3046400 3122560 3358720 3481600 3568640 3673600 3903200 4198400 4460800 4702208 4874240 4996096 5709824 5877760 6092800 6245120 6963200 7137280 7347200 7806400 8396800 8921600 9748480 9992192 11419648 11755520 12185600 12490240 14274560 14694400 15612800 16793600 17843200 19984384 23511040 24371200 24980480 28549120 29388800 31225600 35686400 39968768 48742400 49960960 57098240 58777600 62451200 71372800 79937536 99921920 117555200 124902400 142745600 199843840 249804800 285491200 399687680 499609600 999219200 1998438400
- Sum of all divisors σ(n): 6143419296
- Sum of proper divisors (its aliquot sum) s(n): 4144980896
- 1998438400 is an abundant number, because the sum of its proper divisors (4144980896) is greater than itself. Its abundance is 2146542496
Bases of 1998438400
- Binary: 11101110001110111000000000000002
- Hexadecimal: 0x771DC000
- Base-36: X1TGXS
Squares and roots of 1998438400
- 1998438400 squared (19984384002) is 3993756038594560000
- 1998438400 cubed (19984384003) is 7981275427759250735104000000
-
The
square root of 1998438400 is 44703.8969218569 -
The
cube root of 1998438400 is 1259.5930490605
Scales and comparisons
How big is 1998438400?- 1,998,438,400 seconds is equal to 63 years, 28 weeks, 2 days, 1 hour, 46 minutes, 40 seconds.
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To count from 1 to 1,998,438,400 would take you about one hundred twenty-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 1998438400 cubic inches would be around 105 feet tall.
Recreational maths with 1998438400
- 1998438400 backwards is 0048348991
- The number of decimal digits it has is: 10
- The sum of 1998438400's digits is 46
- More coming soon!
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