9990612450

Names of 9990612450

• Cardinal: 9990612450 can be written as Nine billion, nine hundred ninety million, six hundred twelve thousand, four hundred fifty.

Scientific notation

• Scientific notation: 9.99061245 × 10⁹

Factors of 9990612450

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 413

Divisors of 9990612450

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 25 26 30 35 39 42 45 49 50 63 65 70 75 78 90 91 98 105 117 126 130 147 150 169 175 182 195 210 225 234 245 273 294 315 325 338 343 350 383 390 441 450 455 490 507 525 546 585 630 637 650 686 735 766 819 845 882 910 975 1014 1029 1050 1149 1170 1183 1225 1274 1365 1470 1521 1575 1638 1690 1715 1911 1915 1950 2058 2205 2275 2298 2366 2450 2535 2681 2730 2925 3042 3087 3150 3185 3430 3447 3549 3675 3822 3830 4095 4225 4410 4459 4550 4979 5070 5145 5362 5733 5745 5850 5915 6174 6370 6825 6894 7098 7350 7605 8043 8190 8281 8450 8575 8918 9555 9575 9958 10290 10647 11025 11466 11490 11830 12675 13377 13405 13650 14937 15210 15435 15925 16086 16562 17150 17235 17745 18767 19110 19150 20475 21294 22050 22295 24129 24843 24895 25350 25725 26754 26810 28665 28725 29575 29874 30870 31850 34470 34853 35490 37534 38025 40131 40215 40950 41405 44590 44811 47775 48258 49686 49790 51450 53235 56301 57330 57450 57967 59150 64727 66885 67025 69706 74529 74685 76050 77175 80262 80430 82810 86175 88725 89622 93835 95550 104559 106470 111475 112602 115934 120645 124215 124475 129454 131369 133770 134050 143325 149058 149370 154350 168903 172350 173901 174265 177450 187670 194181 200655 201075 207025 209118 222950 224055 241290 243971 248430 248950 262738 266175 281505 286650 289835 313677 323635 334425 337806 347802 348530 372645 373425 388362 394107 401310 402150 414050 448110 453089 469175 487942 521703 522795 532350 563010 579670 582543 603225 621075 627354 647270 656845 668850 731913 745290 746850 788214 844515 869505 871325 906178 938350 970905 1003275 1043406 1045590 1120275 1165086 1182321 1206450 1219855 1242150 1313690 1359267 1407525 1449175 1463826 1568385 1618175 1689030 1707797 1739010 1742650 1863225 1941810 1970535 2006550 2195739 2240550 2265445 2364642 2439710 2608515 2613975 2718534 2815050 2898350 2912715 3136770 3171623 3236350 3284225 3415594 3659565 3726450 3941070 4077801 4222575 4347525 4391478 4530890 4854525 5123391 5217030 5227950 5825430 5911605 6099275 6343246 6568450 6796335 7319130 7841925 8155602 8445150 8538985 8695050 9514869 9709050 9852675 10246782 10978695 11327225 11823210 12198550 13042575 13592670 14563575 15370173 15683850 15858115 17077970 18297825 19029738 19705350 20389005 21957390 22201361 22654450 25616955 26085150 28544607 29127150 29558025 30740346 31716230 33981675 36595650 40778010 42694925 44402722 47574345 51233910 54893475 57089214 59116050 66604083 67963350 76850865 79290575 85389850 95148690 101945025 109786950 111006805 128084775 133208166 142723035 153701730 158581150 199812249 203890050 222013610 237871725 256169550 285446070 333020415 384254325 399624498 475743450 555034025 666040830 713615175 768508650 999061245 1110068050 1427230350 1665102075 1998122490 3330204150 4995306225 9990612450
• Sum of all divisors σ(n): 33983539200
• Sum of proper divisors (its aliquot sum) s(n): 23992926750
• 9990612450 is an abundant number, because the sum of its proper divisors (23992926750) is greater than itself. Its abundance is 14002314300

Bases of 9990612450

• Binary: 1001010011011111001010010111100010₂
• Hexadecimal: 0x2537CA5E2
• Base-36: 4L85HWI

Squares and roots of 9990612450

• 9990612450 squared (9990612450²) is 99812337126095002500
• 9990612450 cubed (9990612450³) is 997186377955561951859281125000
• The square root of 9990612450 is 99953.0512290645
• The cube root of 9990612450 is 2153.7603168517

Scales and comparisons

• 9,990,612,450 seconds is equal to 317 years, 34 weeks, 6 days, 2 hours, 7 minutes, 30 seconds.
• To count from 1 to 9,990,612,450 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 9990612450 cubic inches would be around 179.5 feet tall.

Recreational maths with 9990612450

• 9990612450 backwards is 0542160999
• 9990612450 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9990612450's digits is 45
• More coming soon!