990001557720
990,001,557,720 is an even composite number composed of seven prime numbers multiplied together.
990001557720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of seven hundred sixty-eight divisors.
Prime factorization of 990001557720:
23 × 33 × 5 × 7 × 312 × 43 × 3169
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 31 × 31 × 43 × 3169)See below for interesting mathematical facts about the number 990001557720 from the Numbermatics database.
Names of 990001557720
- Cardinal: 990001557720 can be written as Nine hundred ninety billion, one million, five hundred fifty-seven thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 9.9000155772 × 1011
Factors of 990001557720
Divisors of 990001557720
- Number of divisors d(n): 768
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 31 35 36 40 42 43 45 54 56 60 62 63 70 72 84 86 90 93 105 108 120 124 126 129 135 140 155 168 172 180 186 189 210 215 216 217 248 252 258 270 279 280 301 310 315 344 360 372 378 387 420 430 434 465 504 516 540 558 602 620 630 645 651 744 756 774 837 840 860 868 903 930 945 961 1032 1080 1085 1116 1161 1204 1240 1260 1290 1302 1333 1395 1505 1512 1548 1674 1720 1736 1806 1860 1890 1922 1935 1953 2170 2232 2322 2408 2520 2580 2604 2666 2709 2790 2883 3010 3096 3169 3255 3348 3612 3720 3780 3844 3870 3906 3999 4185 4340 4515 4644 4805 5160 5208 5332 5418 5580 5766 5805 5859 6020 6338 6510 6665 6696 6727 7224 7560 7688 7740 7812 7998 8127 8370 8649 8680 9030 9288 9331 9507 9610 9765 10664 10836 11160 11532 11610 11718 11997 12040 12676 13020 13330 13454 13545 14415 15480 15624 15845 15996 16254 16740 17298 18060 18662 19014 19220 19530 19995 20181 21672 22183 23064 23220 23436 23994 25352 25947 26040 26660 26908 27090 27993 28521 28830 29295 31690 31992 32508 33480 33635 34596 35991 36120 37324 38028 38440 39060 39990 40362 40635 41323 43245 44366 46440 46655 46872 47535 47988 51894 53320 53816 54180 55986 57042 57660 58590 59985 60543 63380 65016 66549 67270 69192 71982 74648 76056 78120 79980 80724 81270 82646 83979 85563 86490 88732 93310 95070 95976 98239 100905 103788 108360 110915 111972 114084 115320 117180 119970 121086 123969 126760 129735 133098 134540 136267 139965 142605 143964 159960 161448 162540 165292 167958 171126 172980 177464 179955 181629 186620 190140 196478 199647 201810 206615 207576 221830 223944 228168 234360 239940 242172 247938 251937 259470 266196 269080 272534 279930 285210 287928 289261 294717 302715 325080 330584 332745 335916 342252 345960 359910 363258 371907 373240 380280 392956 399294 403620 408801 413230 419895 427815 443660 479880 484344 491195 495876 503874 518940 532392 545068 559860 570420 578522 589434 598941 605430 619845 665490 671832 681335 684504 687673 719820 726516 743814 785912 798588 807240 817602 826460 839790 855630 867783 884151 887320 908145 953869 982390 991752 998235 1007748 1037880 1090136 1115721 1119720 1140840 1157044 1178868 1197882 1210860 1226403 1239690 1259685 1330980 1362670 1375346 1439640 1446305 1453032 1473585 1487628 1597176 1635204 1652920 1679580 1711260 1735566 1768302 1816290 1859535 1907738 1964780 1996470 2015496 2044005 2063019 2231442 2314088 2357736 2395764 2421720 2452806 2479380 2519370 2603349 2652453 2661960 2725340 2750692 2861607 2892610 2947170 2975256 2994705 3045409 3270408 3359160 3422520 3438365 3471132 3536604 3632580 3679209 3719070 3815476 3929560 3992940 4088010 4126038 4224277 4338915 4420755 4462884 4769345 4791528 4905612 4958760 5038740 5206698 5304906 5450680 5501384 5578605 5723214 5785220 5894340 5989410 6090818 6132015 6189057 6876730 6942264 7073208 7265160 7358418 7438140 7630952 7810047 7985880 8176020 8252076 8448554 8584821 8677830 8841510 8925768 9136227 9538690 9811224 10077480 10315095 10413396 10609812 11157210 11446428 11570440 11788680 11978820 12181636 12264030 12378114 12672831 13016745 13262265 13753460 14308035 14716836 14876280 15227045 15620094 16352040 16504152 16897108 17169642 17355660 17683020 18272454 18396045 18567171 19077380 20630190 20826792 21121385 21219624 21317863 22314420 22892856 23957640 24363272 24528060 24756228 25345662 25754463 26033490 26524530 27408681 27506920 28616070 29433672 29569939 30454090 30945285 31240188 33794216 34339284 34711320 35366040 36544908 36792090 37134342 38018493 38154760 39050235 41260380 42242770 42635726 42924105 44628840 45681135 49056120 49512456 50691324 51508926 52066980 53049060 54817362 57232140 59139878 60908180 61890570 62480376 63364155 63953589 68678568 73089816 73584180 74268684 76036986 78100470 82226043 82520760 84485540 85271452 85848210 88709817 91362270 92835855 101382648 103017852 104133960 106098120 106589315 109634724 114055479 114464280 118279756 121816360 123781140 126728310 127907178 128772315 130952587 137043405 147168360 147849695 148537368 152073972 156200940 164452086 168971080 170542904 171696420 177419634 182724540 185671710 190092465 191860767 206035704 213178630 219269448 228110958 236559512 247562280 253456620 255814356 257544630 261905174 266129451 274086810 295699390 304147944 312401880 319767945 328904172 343392840 354839268 365449080 371343420 380184930 383721534 392857761 411130215 426357260 443549085 456221916 506913240 511628712 515089260 523810348 532258902 548173620 570277395 575582301 591398780 639535890 654762935 657808344 709678536 742686840 760369860 767443068 785715522 798388353 822260430 852714520 887098170 912443832 916668109 959303835 1030178520 1047620696 1064517804 1096347240 1140554790 1151164602 1178573283 1182797560 1279071780 1309525870 1330647255 1520739720 1534886136 1571431044 1596776706 1644520860 1774196340 1833336218 1918607670 1964288805 2129035608 2281109580 2302329204 2357146566 2558143560 2619051740 2661294510 2750004327 2877911505 3142862088 3193553412 3289041720 3535719849 3548392680 3666672436 3837215340 3928577610 3991941765 4562219160 4583340545 4604658408 4714293132 5238103480 5322589020 5500008654 5755823010 5892866415 6387106824 7071439698 7333344872 7674430680 7857155220 7983883530 8250012981 9166681090 9428586264 10645178040 11000017308 11511646020 11785732830 13750021635 14142879396 15714310440 15967767060 16500025962 17678599245 18333362180 22000034616 23023292040 23571465660 24750038943 27500043270 28285758792 31935534120 33000051924 35357198490 36666724360 41250064905 47142931320 49500077886 55000086540 66000103848 70714396980 82500129810 99000155772 110000173080 123750194715 141428793960 165000259620 198000311544 247500389430 330000519240 495000778860 990001557720
- Sum of all divisors σ(n): 3988904832000
- Sum of proper divisors (its aliquot sum) s(n): 2998903274280
- 990001557720 is an abundant number, because the sum of its proper divisors (2998903274280) is greater than itself. Its abundance is 2008901716560
Bases of 990001557720
- Binary: 11100110100000001011000011110000110110002
- Hexadecimal: 0xE680B0F0D8
- Base-36: CMSTD6U0
Squares and roots of 990001557720
- 990001557720 squared (9900015577202) is 980103084288026491598400
- 990001557720 cubed (9900015577203) is 970303580171322683827042492659648000
-
The
square root of 990001557720 is 994988.2198900649 -
The
cube root of 990001557720 is 9966.5601614303
Scales and comparisons
How big is 990001557720?- 990,001,557,720 seconds is equal to 31,478 years, 51 weeks, 2 days, 8 hours, 42 minutes.
-
To count from 1 to 990,001,557,720 would take you about sixty-two thousand, nine hundred fifty-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 990001557720 cubic inches would be around 830.5 feet tall.
Recreational maths with 990001557720
- 990001557720 backwards is 027755100099
- 990001557720 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 990001557720's digits is 45
- More coming soon!
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