16821489672

Names of 16821489672

• Cardinal: 16821489672 can be written as Sixteen billion, eight hundred twenty-one million, four hundred eighty-nine thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.6821489672 × 10¹⁰

Factors of 16821489672

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1945

Divisors of 16821489672

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 29 36 37 39 52 54 58 72 74 78 81 87 104 108 111 116 117 148 156 162 174 216 222 232 234 261 296 312 324 333 348 351 377 444 468 481 522 648 666 696 702 754 783 888 936 962 999 1044 1053 1073 1131 1332 1404 1443 1508 1566 1861 1924 1998 2088 2106 2146 2262 2349 2664 2808 2886 2997 3016 3132 3219 3393 3722 3848 3996 4212 4292 4329 4524 4698 5583 5772 5994 6264 6438 6786 7444 7992 8424 8584 8658 9048 9396 9657 10179 11166 11544 11988 12876 12987 13572 13949 14888 16749 17316 18792 19314 20358 22332 23976 24193 25752 25974 27144 27898 28971 30537 33498 34632 38628 38961 40716 41847 44664 48386 50247 51948 53969 55796 57942 61074 66996 68857 72579 77256 77922 81432 83694 86913 96772 100494 103896 107938 111592 115884 122148 125541 133992 137714 145158 150741 155844 161907 167388 173826 193544 200988 206571 215876 217737 231768 244296 251082 275428 290316 301482 311688 323814 334776 347652 376623 401976 413142 431752 435474 485721 502164 550856 580632 602964 619713 647628 653211 695304 701597 753246 826284 870948 895141 971442 1004328 1129869 1205928 1239426 1295256 1306422 1403194 1457163 1506492 1652568 1741896 1790282 1859139 1942884 1959633 1996853 2104791 2259738 2478852 2612844 2685423 2806388 2914326 3012984 3580564 3718278 3885768 3919266 3993706 4209582 4371489 4519476 4957704 5225688 5370846 5577417 5612776 5828652 5990559 6314373 7161128 7436556 7838532 7987412 8056269 8419164 8742978 9038952 10741692 11154834 11657304 11981118 12628746 14873112 15677064 15974824 16112538 16838328 17485956 17971677 18943119 21483384 22309668 23962236 24168807 25257492 25959089 32225076 34971912 35943354 37886238 44619336 47924472 48337614 50514984 51918178 53915031 56829357 64450152 71886708 72506421 75772476 77877267 96675228 103836356 107830062 113658714 143773416 145012842 151544952 155754534 161745093 193350456 207672712 215660124 227317428 233631801 290025684 311509068 323490186 431320248 454634856 467263602 580051368 623018136 646980372 700895403 934527204 1293960744 1401790806 1869054408 2102686209 2803581612 4205372418 5607163224 8410744836 16821489672
• Sum of all divisors σ(n): 53937298800
• Sum of proper divisors (its aliquot sum) s(n): 37115809128
• 16821489672 is an abundant number, because the sum of its proper divisors (37115809128) is greater than itself. Its abundance is 20294319456

Bases of 16821489672

• Binary: 1111101010101000111001000000001000₂
• Hexadecimal: 0x3EAA39008
• Base-36: 7Q72WI0

Squares and roots of 16821489672

• 16821489672 squared (16821489672²) is 282962514785202667584
• 16821489672 cubed (16821489672³) is 4759851020022433971191105192448
• The square root of 16821489672 is 129697.6856848263
• The cube root of 16821489672 is 2562.2498974687

Scales and comparisons

• 16,821,489,672 seconds is equal to 534 years, 45 weeks, 2 days, 4 hours, 1 minute, 12 seconds.
• To count from 1 to 16,821,489,672 would take you about one thousand and sixty-nine 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 16821489672 cubic inches would be around 213.5 feet tall.

Recreational maths with 16821489672

• 16821489672 backwards is 27698412861
• 16821489672 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 16821489672's digits is 54
• More coming soon!