7142005728

Names of 7142005728

• Cardinal: 7142005728 can be written as Seven billion, one hundred forty-two million, five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 7.142005728 × 10⁹

Factors of 7142005728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 147

Divisors of 7142005728

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 17 18 22 24 26 32 33 34 36 39 44 48 51 52 66 68 72 78 88 96 99 101 102 104 117 132 136 143 144 153 156 176 187 198 202 204 208 221 234 264 272 286 288 303 306 312 352 374 396 404 408 416 429 442 468 528 544 561 572 606 612 624 663 748 792 808 816 858 884 909 936 1056 1111 1122 1144 1212 1224 1248 1287 1313 1326 1496 1584 1616 1632 1683 1716 1717 1768 1818 1872 1989 2222 2244 2288 2424 2431 2448 2574 2626 2652 2992 3168 3232 3333 3366 3432 3434 3536 3636 3744 3939 3978 4444 4488 4576 4848 4862 4896 5148 5151 5252 5304 5984 6666 6732 6864 6868 7072 7272 7293 7878 7956 8888 8976 9696 9724 9999 10201 10296 10302 10504 10608 11817 13332 13464 13728 13736 14443 14544 14586 15453 15756 15912 17776 17952 18887 19448 19998 20402 20592 20604 21008 21216 21879 22321 23634 26664 26928 27472 28886 29088 29172 30603 30906 31512 31824 35552 37774 38896 39996 40804 41184 41208 42016 43329 43758 44642 47268 53328 53856 54944 56661 57772 58344 61206 61812 63024 63648 66963 75548 77792 79992 81608 82416 86658 87516 89284 91809 94536 106656 112211 113322 115544 116688 122412 123624 126048 129987 132613 133926 151096 159984 163216 164832 169983 173316 173417 175032 178568 183618 189072 200889 224422 226644 231088 233376 244824 245531 247248 259974 265226 267852 302192 319968 326432 336633 339966 346632 346834 350064 357136 367236 378144 397839 401778 448844 453288 462176 489648 491062 494496 519948 520251 530452 535704 604384 673266 679932 693264 693668 700128 714272 734472 736593 795678 803556 897688 906576 979296 982124 1009899 1039896 1040502 1060904 1071408 1193517 1346532 1359864 1386528 1387336 1458743 1468944 1473186 1560753 1591356 1607112 1795376 1813152 1907587 1964248 2019798 2079792 2081004 2121808 2142816 2209779 2254421 2387034 2693064 2719728 2774672 2917486 2937888 2946372 3121506 3182712 3214224 3590752 3815174 3928496 4039596 4159584 4162008 4243616 4376229 4419558 4508842 4774068 5386128 5439456 5549344 5722761 5834972 5892744 6243012 6365424 6428448 6763263 7630348 7856992 8079192 8324016 8752458 8839116 9017684 9548136 10772256 11445522 11669944 11785488 12486024 12730848 13128687 13526526 15260696 16158384 16648032 17168283 17504916 17678232 18035368 19096272 20289789 22891044 23339888 23570976 24798631 24972048 26257374 27053052 30521392 32316768 34336566 35009832 35356464 36070736 38192544 40579578 45782088 46679776 49597262 49944096 52514748 54106104 61042784 68673132 70019664 70712928 72141472 74395893 81159156 91564176 99194524 105029496 108212208 137346264 140039328 148791786 162318312 183128352 198389048 210058992 216424416 223187679 274692528 297583572 324636624 396778096 420117984 446375358 549385056 595167144 649273248 793556192 892750716 1190334288 1785501432 2380668576 3571002864 7142005728
• Sum of all divisors σ(n): 25516986768
• Sum of proper divisors (its aliquot sum) s(n): 18374981040
• 7142005728 is an abundant number, because the sum of its proper divisors (18374981040) is greater than itself. Its abundance is 11232975312

Bases of 7142005728

• Binary: 110101001101100100101101111100000₂
• Hexadecimal: 0x1A9B25BE0
• Base-36: 3A45YW0

Squares and roots of 7142005728

• 7142005728 squared (7142005728²) is 51008245818784809984
• 7142005728 cubed (7142005728³) is 364301183812993162905119588352
• The square root of 7142005728 is 84510.3882845181
• The cube root of 7142005728 is 1925.7802630367

Scales and comparisons

• 7,142,005,728 seconds is equal to 227 years, 4 weeks, 6 days, 2 hours, 28 minutes, 48 seconds.
• To count from 1 to 7,142,005,728 would take you about four hundred fifty-four 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 7142005728 cubic inches would be around 160.5 feet tall.

Recreational maths with 7142005728

• 7142005728 backwards is 8275002417
• 7142005728 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 7142005728's digits is 36
• More coming soon!