1028401920

Names of 1028401920

• Cardinal: 1028401920 can be written as One billion, twenty-eight million, four hundred one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.02840192 × 10⁹

Factors of 1028401920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 139

Divisors of 1028401920

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 32 35 36 39 40 42 45 48 52 54 56 60 63 64 65 70 72 78 80 81 84 90 91 96 104 105 108 109 112 117 120 126 128 130 135 140 144 156 160 162 168 180 182 189 192 195 208 210 216 218 224 234 240 252 256 260 270 273 280 288 312 315 320 324 327 336 351 360 364 378 384 390 405 416 420 432 436 448 455 468 480 504 520 540 545 546 560 567 576 585 624 630 640 648 654 672 702 720 728 756 763 768 780 810 819 832 840 864 872 896 910 936 945 960 981 1008 1040 1053 1080 1090 1092 1120 1134 1152 1170 1248 1260 1280 1296 1308 1344 1365 1404 1417 1440 1456 1512 1526 1560 1620 1635 1638 1664 1680 1728 1744 1755 1792 1820 1872 1890 1920 1962 2016 2080 2106 2160 2180 2184 2240 2268 2289 2304 2340 2457 2496 2520 2592 2616 2688 2730 2808 2834 2835 2880 2912 2943 3024 3052 3120 3240 3270 3276 3328 3360 3456 3488 3510 3640 3744 3780 3815 3840 3924 4032 4095 4160 4212 4251 4320 4360 4368 4480 4536 4578 4680 4905 4914 4992 5040 5184 5232 5265 5376 5460 5616 5668 5670 5760 5824 5886 6048 6104 6240 6480 6540 6552 6720 6867 6912 6976 7020 7085 7280 7371 7488 7560 7630 7848 8064 8190 8320 8424 8502 8640 8720 8736 8829 8960 9072 9156 9360 9810 9828 9919 9984 10080 10368 10464 10530 10920 11232 11336 11340 11445 11520 11648 11772 12096 12208 12285 12480 12753 12960 13080 13104 13440 13734 13952 14040 14170 14560 14715 14742 14976 15120 15260 15696 16128 16380 16640 16848 17004 17280 17440 17472 17658 18144 18312 18720 19620 19656 19838 20160 20601 20736 20928 21060 21255 21840 22464 22672 22680 22890 23296 23544 24192 24416 24570 24960 25506 25920 26160 26208 26880 27468 27904 28080 28340 29120 29430 29484 29757 29952 30240 30520 31392 32760 33696 34008 34335 34560 34880 34944 35316 36288 36624 36855 37440 38259 39240 39312 39676 40320 41202 41856 42120 42510 43680 44145 44928 45344 45360 45780 47088 48384 48832 49140 49595 49920 51012 51840 52320 52416 54936 56160 56680 58240 58860 58968 59514 60480 61040 61803 62784 63765 65520 67392 68016 68670 69760 69888 70632 72576 73248 73710 74880 76518 78480 78624 79352 80640 82404 83712 84240 85020 87360 88290 89271 89856 90688 90720 91560 94176 97664 98280 99190 102024 103005 103680 104640 104832 109872 112320 113360 114777 116480 117720 117936 119028 120960 122080 123606 125568 127530 131040 134784 136032 137340 139520 141264 145152 146496 147420 148785 149760 153036 156960 157248 158704 164808 168480 170040 174720 176580 178542 181376 181440 183120 188352 191295 195328 196560 198380 204048 206010 209280 209664 219744 224640 226720 229554 235440 235872 238056 241920 244160 247212 251136 255060 262080 267813 269568 272064 274680 282528 292992 294840 297570 306072 309015 313920 314496 317408 329616 336960 340080 349440 353160 357084 362752 362880 366240 376704 382590 393120 396760 408096 412020 418560 439488 446355 449280 453440 459108 470880 471744 476112 488320 494424 510120 524160 535626 544128 549360 565056 573885 585984 589680 595140 612144 618030 627840 628992 634816 659232 673920 680160 706320 714168 725760 732480 753408 765180 786240 793520 803439 816192 824040 878976 892710 906880 918216 941760 943488 952224 976640 988848 1020240 1048320 1071252 1088256 1098720 1130112 1147770 1179360 1190280 1224288 1236060 1255680 1269632 1318464 1339065 1347840 1360320 1412640 1428336 1464960 1530360 1572480 1587040 1606878 1632384 1648080 1757952 1785420 1813760 1836432 1883520 1886976 1904448 1977696 2040480 2142504 2197440 2260224 2295540 2358720 2380560 2448576 2472120 2539264 2636928 2678130 2720640 2825280 2856672 2929920 3060720 3144960 3174080 3213756 3264768 3296160 3570840 3672864 3767040 3808896 3955392 4017195 4080960 4285008 4394880 4591080 4717440 4761120 4897152 4944240 5273856 5356260 5441280 5650560 5713344 6121440 6348160 6427512 6592320 7141680 7345728 7617792 7910784 8034390 8161920 8570016 8789760 9182160 9434880 9522240 9794304 9888480 10712520 11301120 11426688 12242880 12696320 12855024 13184640 14283360 14691456 15821568 16068780 16323840 17140032 18364320 19044480 19776960 21425040 22853376 24485760 25710048 26369280 28566720 29382912 32137560 34280064 36728640 38088960 39553920 42850080 48971520 51420096 57133440 64275120 68560128 73457280 79107840 85700160 102840192 114266880 128550240 146914560 171400320 205680384 257100480 342800640 514200960 1028401920
• Sum of all divisors σ(n): 4570547520
• Sum of proper divisors (its aliquot sum) s(n): 3542145600
• 1028401920 is an abundant number, because the sum of its proper divisors (3542145600) is greater than itself. Its abundance is 2513743680

Bases of 1028401920

• Binary: 111101010011000010101100000000₂
• Hexadecimal: 0x3D4C2B00
• Base-36: H0A800

Squares and roots of 1028401920

• 1028401920 squared (1028401920²) is 1057610509059686400
• 1028401920 cubed (1028401920³) is 1087648678129158888357888000
• The square root of 1028401920 is 32068.7062414435
• The cube root of 1028401920 is 1009.3790647945

Scales and comparisons

• 1,028,401,920 seconds is equal to 32 years, 36 weeks, 2 days, 19 hours, 12 minutes.
• To count from 1 to 1,028,401,920 would take you about sixty-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 1028401920 cubic inches would be around 84.1 feet tall.

Recreational maths with 1028401920

• 1028401920 backwards is 0291048201
• 1028401920 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1028401920's digits is 27
• More coming soon!