28784979072

Names of 28784979072

• Cardinal: 28784979072 can be written as Twenty-eight billion, seven hundred eighty-four million, nine hundred seventy-nine thousand and seventy-two.

Scientific notation

• Scientific notation: 2.8784979072 × 10¹⁰

Factors of 28784979072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 143

Divisors of 28784979072

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 64 72 81 93 96 107 108 124 128 144 162 186 192 214 216 243 248 279 288 321 324 372 384 428 432 486 496 558 576 642 648 729 744 837 856 864 961 963 972 992 1116 1152 1284 1296 1458 1488 1674 1712 1728 1922 1926 1944 1984 2187 2232 2511 2568 2592 2883 2889 2916 2976 3317 3348 3424 3456 3844 3852 3888 3968 4374 4464 5022 5136 5184 5766 5778 5832 5952 6634 6696 6848 7533 7688 7704 7776 8649 8667 8748 8928 9951 10044 10272 10368 11532 11556 11664 11904 13268 13392 13696 15066 15376 15408 15552 17298 17334 17496 17856 19902 20088 20544 22599 23064 23112 23328 25947 26001 26536 26784 29853 30132 30752 30816 31104 34596 34668 34992 35712 39804 40176 41088 45198 46128 46224 46656 51894 52002 53072 53568 59706 60264 61504 61632 67797 69192 69336 69984 77841 78003 79608 80352 89559 90396 92256 92448 93312 102827 103788 104004 106144 107136 119412 120528 123008 123264 135594 138384 138672 139968 155682 156006 159216 160704 179118 180792 184512 184896 205654 207576 208008 212288 233523 234009 238824 241056 268677 271188 276768 277344 279936 308481 311364 312012 318432 321408 358236 361584 369024 369792 411308 415152 416016 424576 467046 468018 477648 482112 537354 542376 553536 554688 616962 622728 624024 636864 700569 716472 723168 806031 822616 830304 832032 925443 934092 936036 955296 964224 1074708 1084752 1107072 1109376 1233924 1245456 1248048 1273728 1401138 1432944 1446336 1612062 1645232 1660608 1664064 1850886 1868184 1872072 1910592 2101707 2149416 2169504 2418093 2467848 2490912 2496096 2776329 2802276 2865888 2892672 3224124 3290464 3321216 3328128 3701772 3736368 3744144 3821184 4203414 4298832 4339008 4836186 4935696 4981824 4992192 5552658 5604552 5731776 6448248 6580928 7254279 7403544 7472736 7488288 8328987 8406828 8597664 8678016 9672372 9871392 9963648 9984384 11105316 11209104 11463552 12896496 13161856 14508558 14807088 14945472 14976576 16657974 16813656 17195328 19344744 19742784 22210632 22418208 24986961 25792992 29017116 29614176 29890944 29953152 33315948 33627312 34390656 38689488 39485568 44421264 44836416 49973922 51585984 58034232 59228352 66631896 67254624 74960883 77378976 88842528 89672832 99947844 103171968 116068464 118456704 133263792 134509248 149921766 154757952 177685056 199895688 224882649 232136928 266527584 269018496 299843532 309515904 355370112 399791376 449765298 464273856 533055168 599687064 799582752 899530596 928547712 1066110336 1199374128 1599165504 1799061192 2398748256 3198331008 3598122384 4797496512 7196244768 9594993024 14392489536 28784979072
• Sum of all divisors σ(n): 89698881600
• Sum of proper divisors (its aliquot sum) s(n): 60913902528
• 28784979072 is an abundant number, because the sum of its proper divisors (60913902528) is greater than itself. Its abundance is 32128923456

Bases of 28784979072

• Binary: 11010110011101101111110110010000000₂
• Hexadecimal: 0x6B3B7EC80
• Base-36: D81U000

Squares and roots of 28784979072

• 28784979072 squared (28784979072²) is 828575020175477981184
• 28784979072 cubed (28784979072³) is 23850514615333111455978249781248
• The square root of 28784979072 is 169661.3658792125
• The cube root of 28784979072 is 3064.7047351039

Scales and comparisons

• 28,784,979,072 seconds is equal to 915 years, 14 weeks, 1 day, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 28,784,979,072 would take you about one thousand, eight 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 28784979072 cubic inches would be around 255.4 feet tall.

Recreational maths with 28784979072

• 28784979072 backwards is 27097948782
• The number of decimal digits it has is: 11
• The sum of 28784979072's digits is 63
• More coming soon!