16397621856

Names of 16397621856

• Cardinal: 16397621856 can be written as Sixteen billion, three hundred ninety-seven million, six hundred twenty-one thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 1.6397621856 × 10¹⁰

Factors of 16397621856

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 120

Divisors of 16397621856

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 32 33 36 42 44 48 49 54 56 63 66 72 77 81 84 88 96 97 98 99 108 112 121 126 132 144 147 154 162 168 176 189 194 196 198 216 224 231 242 252 264 288 291 294 297 308 324 336 352 363 378 388 392 396 432 441 462 484 504 528 539 567 582 588 594 616 648 672 679 693 726 756 776 784 792 847 864 873 882 891 924 968 1008 1056 1067 1078 1089 1134 1164 1176 1188 1232 1296 1323 1331 1358 1386 1452 1512 1552 1568 1584 1617 1694 1746 1764 1782 1848 1936 2016 2037 2079 2134 2156 2178 2268 2328 2352 2376 2464 2541 2592 2619 2646 2662 2716 2772 2904 3024 3104 3168 3201 3234 3267 3388 3492 3528 3564 3696 3872 3969 3993 4074 4158 4268 4312 4356 4536 4656 4704 4752 4753 4851 5082 5238 5292 5324 5432 5544 5808 5929 6048 6111 6237 6402 6468 6534 6776 6984 7056 7128 7392 7469 7623 7857 7938 7986 8148 8316 8536 8624 8712 9072 9312 9317 9504 9506 9603 9702 9801 10164 10476 10584 10648 10864 11088 11616 11737 11858 11979 12222 12474 12804 12936 13068 13552 13968 14112 14256 14259 14553 14938 15246 15714 15876 15972 16296 16632 17072 17248 17424 17787 18144 18333 18634 19012 19206 19404 19602 20328 20952 21168 21296 21728 22176 22407 22869 23474 23716 23958 24444 24948 25608 25872 26136 27104 27936 27951 28512 28518 28809 29106 29876 30492 31428 31752 31944 32592 33264 34144 34848 35211 35574 35937 36666 37268 38024 38412 38808 39204 40656 41904 42336 42592 42777 43659 44814 45738 46948 47432 47916 48888 49896 51216 51744 52272 52283 53361 54999 55902 57036 57618 58212 59752 60984 62856 63504 63888 65184 65219 66528 67221 68607 70422 71148 71874 73332 74536 76048 76824 77616 78408 81312 82159 83808 83853 85554 86427 87318 89628 91476 93896 94864 95832 97776 99792 102432 104544 104566 105633 106722 107811 109998 111804 114072 115236 116424 119504 121968 125712 127008 127776 128331 129107 130438 134442 137214 140844 142296 143748 146664 149072 152096 153648 155232 156816 156849 160083 164318 167706 171108 172854 174636 179256 182952 187792 189728 191664 195552 195657 199584 201663 209132 211266 213444 215622 219996 223608 228144 230472 232848 239008 243936 246477 251424 251559 256662 258214 260876 268884 274428 281688 284592 287496 293328 298144 307296 313632 313698 316899 320166 328636 335412 342216 345708 349272 358512 365904 375584 383328 384993 387321 391314 403326 418264 422532 426888 431244 439992 447216 456288 460944 465696 470547 480249 492954 503118 513324 516428 521752 537768 548856 563376 569184 574992 575113 586656 586971 604989 627396 633798 640332 657272 670824 684432 691416 698544 717024 731808 739431 754677 769986 774642 782628 806652 836528 845064 853776 862488 879984 894432 903749 921888 941094 950697 960498 985908 1006236 1026648 1032856 1043504 1075536 1097712 1126752 1149984 1150226 1161963 1173942 1209978 1254792 1267596 1280664 1314544 1341648 1368864 1382832 1397088 1411641 1478862 1509354 1539972 1549284 1565256 1613304 1673056 1690128 1707552 1724976 1725339 1759968 1760913 1807498 1882188 1901394 1920996 1971816 2012472 2053296 2065712 2087008 2151072 2195424 2218293 2300452 2323926 2347884 2419956 2509584 2535192 2561328 2629088 2683296 2711247 2765664 2823282 2957724 3018708 3079944 3098568 3130512 3226608 3380256 3449952 3450678 3485889 3521826 3614996 3764376 3802788 3841992 3943632 4024944 4106592 4131424 4234923 4436586 4600904 4647852 4695768 4839912 5019168 5070384 5122656 5176017 5282739 5422494 5646564 5915448 6037416 6159888 6197136 6261024 6326243 6453216 6654879 6901356 6971778 7043652 7229992 7528752 7605576 7683984 7887264 8049888 8133741 8469846 8873172 9201808 9295704 9391536 9679824 10140768 10352034 10457667 10565478 10844988 11293128 11830896 12074832 12319776 12394272 12652486 13309758 13802712 13943556 14087304 14459984 15057504 15211152 15367968 15528051 16267482 16939692 17746344 18403616 18591408 18783072 18978729 19359648 20704068 20915334 21130956 21689976 22586256 23661792 24149664 24401223 25304972 26619516 27605424 27887112 28174608 28919968 30422304 31056102 32534964 33879384 35492688 37182816 37957458 41408136 41830668 42261912 43379952 45172512 46584153 48802446 50609944 53239032 55210848 55774224 56349216 56936187 62112204 65069928 67758768 70985376 73203669 75914916 82816272 83661336 84523824 86759904 93168306 97604892 101219888 106478064 111548448 113872374 124224408 130139856 135517536 146407338 151829832 165632544 167322672 169047648 170808561 186336612 195209784 202439776 212956128 227744748 248448816 260279712 292814676 303659664 334645344 341617122 372673224 390419568 455489496 496897632 512425683 585629352 607319328 683234244 745346448 780839136 910978992 1024851366 1171258704 1366468488 1490692896 1821957984 2049702732 2342517408 2732936976 4099405464 5465873952 8198810928 16397621856
• Sum of all divisors σ(n): 62340162192
• Sum of proper divisors (its aliquot sum) s(n): 45942540336
• 16397621856 is an abundant number, because the sum of its proper divisors (45942540336) is greater than itself. Its abundance is 29544918480

Bases of 16397621856

• Binary: 1111010001010111111101101001100000₂
• Hexadecimal: 0x3D15FDA60
• Base-36: 7J6PY00

Squares and roots of 16397621856

• 16397621856 squared (16397621856²) is 268882002532368884736
• 16397621856 cubed (16397621856³) is 4409025401409819371801378390016
• The square root of 16397621856 is 128053.1993196577
• The cube root of 16397621856 is 2540.5453732101

Scales and comparisons

• 16,397,621,856 seconds is equal to 521 years, 20 weeks, 3 days, 6 hours, 57 minutes, 36 seconds.
• To count from 1 to 16,397,621,856 would take you about one thousand and forty-two 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 16397621856 cubic inches would be around 211.7 feet tall.

Recreational maths with 16397621856

• 16397621856 backwards is 65812679361
• 16397621856 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 16397621856's digits is 54
• More coming soon!