9909885440

Names of 9909885440

• Cardinal: 9909885440 can be written as Nine billion, nine hundred nine million, eight hundred eighty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 9.90988544 × 10⁹

Factors of 9909885440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 189

Divisors of 9909885440

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 49 52 56 59 64 65 70 80 91 98 103 104 112 118 128 130 140 160 182 196 206 208 224 236 245 256 260 280 295 320 364 392 412 413 416 448 455 472 490 512 515 520 560 590 637 640 721 728 767 784 824 826 832 896 910 944 980 1030 1040 1120 1180 1274 1280 1339 1442 1456 1534 1568 1648 1652 1664 1792 1820 1888 1960 2060 2065 2080 2240 2360 2548 2560 2678 2884 2891 2912 3068 3136 3185 3296 3304 3328 3584 3605 3640 3776 3835 3920 4120 4130 4160 4480 4720 5047 5096 5356 5369 5768 5782 5824 6077 6136 6272 6370 6592 6608 6656 6695 7210 7280 7552 7670 7840 8240 8260 8320 8960 9373 9440 10094 10192 10712 10738 11536 11564 11648 12154 12272 12544 12740 13184 13216 13390 14420 14455 14560 15104 15340 15680 16480 16520 16640 17920 18746 18880 20188 20384 21424 21476 23072 23128 23296 24308 24544 25088 25235 25480 26368 26432 26780 26845 28840 28910 29120 30208 30385 30680 31360 32960 33040 33280 37492 37583 37760 40376 40768 42539 42848 42952 46144 46256 46592 46865 48616 49088 50470 50960 52736 52864 53560 53690 57680 57820 58240 60770 61360 62720 65611 65920 66080 74984 75166 75520 79001 80752 81536 85078 85696 85904 92288 92512 93730 97232 98176 100940 101920 105728 107120 107380 115360 115640 116480 121540 122720 125440 131222 131840 132160 149968 150332 151040 158002 161504 163072 170156 171392 171808 184576 185024 187460 187915 194464 196352 201880 203840 211456 212695 214240 214760 230720 231280 232960 243080 245440 262444 263680 264320 297773 299936 300664 316004 323008 326144 328055 340312 342784 343616 369152 370048 374920 375830 388928 392704 395005 403760 407680 425390 428480 429520 461440 462560 486160 490880 524888 528640 553007 595546 599872 601328 632008 646016 656110 680624 685568 687232 740096 749840 751660 777856 790010 807520 815360 850780 856960 859040 922880 925120 972320 981760 1049776 1057280 1106014 1191092 1199744 1202656 1264016 1292032 1312220 1361248 1374464 1480192 1488865 1499680 1503320 1555712 1580020 1615040 1630720 1701560 1713920 1718080 1845760 1850240 1944640 1963520 2099552 2212028 2382184 2399488 2405312 2528032 2584064 2624440 2722496 2748928 2765035 2977730 2999360 3006640 3111424 3160040 3230080 3403120 3427840 3436160 3700480 3871049 3889280 4199104 4424056 4764368 4798976 4810624 5056064 5248880 5444992 5530070 5955460 5998720 6013280 6320080 6460160 6806240 6872320 7400960 7742098 7778560 8398208 8848112 9528736 9621248 10112128 10497760 10889984 11060140 11910920 11997440 12026560 12640160 12920320 13612480 13744640 15484196 15557120 16796416 17696224 19057472 19242496 19355245 20224256 20995520 21779968 22120280 23821840 23994880 24053120 25280320 27224960 30968392 33592832 35392448 38114944 38710490 40448512 41991040 44240560 47643680 48106240 50560640 54449920 61936784 70784896 76229888 77420980 83982080 88481120 95287360 96212480 101121280 108899840 123873568 141569792 152459776 154841960 167964160 176962240 190574720 202242560 247747136 283139584 309683920 353924480 381149440 495494272 619367840 707848960 762298880 990988544 1238735680 1415697920 1981977088 2477471360 4954942720 9909885440
• Sum of all divisors σ(n): 30564293760
• Sum of proper divisors (its aliquot sum) s(n): 20654408320
• 9909885440 is an abundant number, because the sum of its proper divisors (20654408320) is greater than itself. Its abundance is 10744522880

Bases of 9909885440

• Binary: 1001001110101011001101101000000000₂
• Hexadecimal: 0x24EACDA00
• Base-36: 4JW38JK

Squares and roots of 9909885440

• 9909885440 squared (9909885440²) is 98205829433923993600
• 9909885440 cubed (9909885440³) is 973208519230366826243293184000
• The square root of 9909885440 is 99548.4075211653
• The cube root of 9909885440 is 2147.9436216791

Scales and comparisons

• 9,909,885,440 seconds is equal to 315 years, 5 weeks, 2 days, 17 hours, 57 minutes, 20 seconds.
• To count from 1 to 9,909,885,440 would take you about six hundred thirty 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 9909885440 cubic inches would be around 179 feet tall.

Recreational maths with 9909885440

• 9909885440 backwards is 0445889099
• 9909885440 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9909885440's digits is 56
• More coming soon!