9445399920

Names of 9445399920

• Cardinal: 9445399920 can be written as Nine billion, four hundred forty-five million, three hundred ninety-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 9.44539992 × 10⁹

Factors of 9445399920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 142

Divisors of 9445399920

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 17 18 20 22 24 30 31 33 34 36 40 44 45 48 51 55 60 62 66 68 72 73 80 85 88 90 93 99 102 110 120 124 132 136 144 146 153 155 165 170 176 180 186 187 198 204 219 220 240 248 255 264 272 279 292 306 310 330 340 341 360 365 372 374 396 408 438 440 465 495 496 510 527 528 558 561 584 612 620 657 660 680 682 720 730 744 748 765 792 803 816 876 880 930 935 961 990 1020 1023 1054 1095 1116 1122 1168 1224 1240 1241 1314 1320 1360 1364 1395 1460 1488 1496 1530 1581 1584 1606 1683 1705 1752 1860 1870 1922 1980 2040 2046 2108 2190 2232 2244 2263 2409 2448 2480 2482 2628 2635 2640 2728 2790 2805 2883 2920 2992 3060 3069 3162 3212 3285 3366 3410 3504 3720 3723 3740 3844 3960 4015 4080 4092 4216 4380 4464 4488 4526 4743 4805 4818 4964 5115 5256 5270 5456 5580 5610 5766 5797 5840 6120 6138 6205 6324 6424 6570 6732 6789 6820 7227 7440 7446 7480 7688 7905 7920 8030 8184 8415 8432 8649 8760 8976 9052 9486 9610 9636 9928 10230 10512 10540 10571 11160 11169 11220 11315 11532 11594 12045 12240 12276 12410 12648 12848 13140 13464 13578 13640 13651 14415 14454 14892 14960 15345 15376 15810 16060 16337 16368 16830 17298 17391 17520 18104 18615 18972 19220 19272 19856 20367 20460 21080 21142 22320 22338 22440 22630 23064 23188 23715 24090 24552 24820 24893 25296 26280 26928 27156 27280 27302 28830 28908 28985 29784 30690 31620 31713 32120 32674 33660 33945 34596 34782 36135 36208 37230 37944 38440 38471 38544 40734 40920 40953 42160 42284 43245 44676 44880 45260 46128 46376 47430 48180 49011 49104 49640 49786 52173 52560 52855 54312 54604 55845 57660 57816 57970 59568 61380 63240 63426 64240 65348 67320 67890 68255 69192 69564 70153 72270 74460 74679 75888 76880 76942 81468 81685 81840 81906 84568 86490 86955 89352 90520 92752 94860 95139 96360 98022 99280 99572 101835 104346 105710 108624 109208 111690 115320 115413 115632 115940 122760 122859 124465 126480 126852 130696 134640 135780 136510 138384 139128 140306 144540 147033 148920 149358 153884 158565 162936 163370 163812 169136 172980 173910 178704 179707 181040 189720 190278 192355 192720 196044 199144 203670 204765 208692 210459 211420 218416 223380 224037 230640 230826 231880 245055 245520 245718 248930 253704 260865 261392 271560 273020 278256 280612 289080 294066 297840 298716 307768 317130 325872 326740 327624 345960 346239 347820 350765 359414 373395 379440 380556 384710 392088 398288 407340 409530 417384 420918 422840 423181 446760 448074 461652 463760 475695 490110 491436 497860 507408 521730 539121 543120 546040 561224 577065 578160 588132 597432 614295 615536 631377 634260 653480 655248 691920 692478 695640 701530 718828 735165 746790 761112 769420 771683 784176 814680 819060 834768 841836 845680 846362 893520 896148 898535 923304 951390 980220 982872 995720 1043460 1052295 1078242 1092080 1120185 1122448 1154130 1176264 1192601 1194864 1228590 1262754 1268520 1269543 1306960 1384956 1391280 1403060 1437656 1470330 1493580 1522224 1538840 1543366 1617363 1629360 1638120 1683672 1692724 1731195 1792296 1797070 1846608 1902780 1960440 1965744 1991440 2086920 2104590 2115905 2156484 2240370 2308260 2315049 2352528 2385202 2457180 2525508 2537040 2539086 2695605 2769912 2806120 2875312 2940660 2987160 3077680 3086732 3156885 3234726 3276240 3367344 3385448 3462390 3577803 3584592 3594140 3805560 3808629 3858415 3920880 4173840 4209180 4231810 4312968 4480740 4616520 4630098 4770404 4914360 5051016 5078172 5391210 5539824 5612240 5881320 5963005 5974320 6173464 6313770 6347715 6469452 6770896 6924780 6945147 7155606 7188280 7611120 7617258 7716830 8086815 8418360 8463620 8625936 8961480 9233040 9260196 9540808 9828720 10102032 10156344 10733409 10782420 11575245 11762640 11926010 12346928 12627540 12695430 12938904 13118611 13849560 13890294 14311212 14376560 15234516 15433660 16173630 16836720 16927240 17889015 17922960 18520392 19043145 19081616 20312688 21466818 21564840 23150490 23852020 25255080 25390860 25877808 26237222 27699120 27780588 28622424 30469032 30867320 32347260 33854480 34725735 35778030 37040784 38086290 39355833 42933636 43129680 46300980 47704040 50510160 50781720 52474444 53667045 55561176 57244848 60938064 61734640 64694520 65593055 69451470 71556060 76172580 78711666 85867272 92601960 95408080 101563440 104948888 107334090 111122352 118067499 129389040 131186110 138902940 143112120 152345160 157423332 171734544 185203920 196779165 209897776 214668180 236134998 262372220 277805880 286224240 304690320 314846664 393558330 429336360 472269996 524744440 555611760 590337495 629693328 787116660 858672720 944539992 1049488880 1180674990 1574233320 1889079984 2361349980 3148466640 4722699960 9445399920
• Sum of all divisors σ(n): 38378766816
• Sum of proper divisors (its aliquot sum) s(n): 28933366896
• 9445399920 is an abundant number, because the sum of its proper divisors (28933366896) is greater than itself. Its abundance is 19487966976

Bases of 9445399920

• Binary: 1000110010111111010101110101110000₂
• Hexadecimal: 0x232FD5D70
• Base-36: 4C7JP80

Squares and roots of 9445399920

• 9445399920 squared (9445399920²) is 89215579648736006400
• 9445399920 cubed (9445399920³) is 842676828876924702951679488000
• The square root of 9445399920 is 97187.4473376063
• The cube root of 9445399920 is 2113.8465148623

Scales and comparisons

• 9,445,399,920 seconds is equal to 300 years, 17 weeks, 2 days, 18 hours, 12 minutes.
• To count from 1 to 9,445,399,920 would take you about six hundred 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 9445399920 cubic inches would be around 176.2 feet tall.

Recreational maths with 9445399920

• 9445399920 backwards is 0299935449
• The number of decimal digits it has is: 10
• The sum of 9445399920's digits is 54
• More coming soon!