9990990100
9,990,990,100 is an even composite number composed of seven prime numbers multiplied together.
9990990100 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 9990990100:
22 × 52 × 7 × 13 × 172 × 29 × 131
(2 × 2 × 5 × 5 × 7 × 13 × 17 × 17 × 29 × 131)See below for interesting mathematical facts about the number 9990990100 from the Numbermatics database.
Names of 9990990100
- Cardinal: 9990990100 can be written as Nine billion, nine hundred ninety million, nine hundred ninety thousand, one hundred.
Scientific notation
- Scientific notation: 9.9909901 × 109
Factors of 9990990100
Divisors of 9990990100
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 4 5 7 10 13 14 17 20 25 26 28 29 34 35 50 52 58 65 68 70 85 91 100 116 119 130 131 140 145 170 175 182 203 221 238 260 262 289 290 325 340 350 364 377 406 425 442 455 476 493 524 578 580 595 650 655 700 725 754 812 850 884 910 917 986 1015 1105 1156 1190 1300 1310 1445 1450 1508 1547 1700 1703 1820 1834 1885 1972 2023 2030 2210 2227 2275 2380 2465 2620 2639 2890 2900 2975 3094 3275 3406 3451 3668 3757 3770 3799 4046 4060 4420 4454 4550 4585 4930 5075 5278 5525 5780 5950 6188 6409 6550 6812 6902 7225 7514 7540 7598 7735 8092 8381 8515 8908 9100 9170 9425 9860 10115 10150 10556 11050 11135 11900 11921 12325 12818 13100 13195 13804 14450 15028 15196 15470 15589 16762 17030 17255 18340 18785 18850 18995 20230 20300 22100 22270 22925 23842 24650 25636 26299 26390 26593 28900 28951 30940 31178 32045 33524 34060 34510 37570 37700 37859 37990 38675 40460 41905 42575 44540 44863 45850 47684 49300 49387 50575 52598 52780 53186 55675 57902 58667 59605 62356 64090 64583 65975 69020 75140 75718 75980 77350 77945 83810 85150 86275 89726 91700 93925 94975 98774 101150 105196 106372 108953 111350 115804 117334 119210 128180 129166 131495 131950 132965 144755 151436 154700 155890 160225 167620 170300 172550 179452 187850 189295 189950 197548 202300 202657 209525 217906 222700 224315 234668 238420 246935 258332 262990 263900 265013 265930 289510 293335 298025 311780 320450 322915 345100 345709 375700 378590 379900 389725 405314 419050 435812 448630 452081 492167 493870 525980 530026 531860 544765 579020 586670 596050 640900 645830 657475 664825 691418 723775 757180 762671 779450 810628 838100 839579 897260 904162 946475 984334 987740 1013285 1060052 1089530 1097911 1121575 1173340 1192100 1234675 1291660 1314950 1325065 1329650 1382836 1447550 1466675 1525342 1558900 1614575 1679158 1728545 1808324 1892950 1968668 2026570 2179060 2195822 2243150 2260405 2460835 2469350 2629900 2650130 2659300 2723825 2895100 2933350 3050684 3229150 3358316 3445169 3457090 3785900 3813355 4053140 4197895 4391644 4486300 4520810 4921670 4938700 5066425 5300260 5447650 5489555 5866700 5877053 6458300 6625325 6890338 6914180 7626710 7685377 8395790 8642725 9041620 9843340 10132850 10895300 10979110 11302025 11754106 12304175 13250650 13780676 14272843 15253420 15370754 16791580 17225845 17285450 19066775 20265700 20989475 21958220 22604050 23508212 24608350 26501300 27447775 28545686 29385265 30741508 34451690 34570900 38133550 38426885 41978950 45208100 49216700 54895550 57091372 58770530 68903380 71364215 76267100 76853770 83957900 86129225 99909901 109791100 117541060 142728430 146926325 153707540 172258450 192134425 199819802 285456860 293852650 344516900 356821075 384268850 399639604 499549505 587705300 713642150 768537700 999099010 1427284300 1998198020 2497747525 4995495050 9990990100
- Sum of all divisors σ(n): 29546858880
- Sum of proper divisors (its aliquot sum) s(n): 19555868780
- 9990990100 is an abundant number, because the sum of its proper divisors (19555868780) is greater than itself. Its abundance is 9564878680
Bases of 9990990100
- Binary: 10010100111000001001101001000101002
- Hexadecimal: 0x253826914
- Base-36: 4L8DLAS
Squares and roots of 9990990100
- 9990990100 squared (99909901002) is 99819883178298010000
- 9990990100 cubed (99909901003) is 997299464617531952759701000000
-
The
square root of 9990990100 is 99954.9403481387 -
The
cube root of 9990990100 is 2153.7874542383
Scales and comparisons
How big is 9990990100?- 9,990,990,100 seconds is equal to 317 years, 35 weeks, 3 days, 11 hours, 1 minute, 40 seconds.
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To count from 1 to 9,990,990,100 would take you about six 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 9990990100 cubic inches would be around 179.5 feet tall.
Recreational maths with 9990990100
- 9990990100 backwards is 0010990999
- The number of decimal digits it has is: 10
- The sum of 9990990100's digits is 46
- More coming soon!
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