7981309932768

Names of 7981309932768

• Cardinal: 7981309932768 can be written as Seven trillion, nine hundred eighty-one billion, three hundred nine million, nine hundred thirty-two thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 7.981309932768 × 10¹²

Factors of 7981309932768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1232

Divisors of 7981309932768

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 37 48 54 72 74 81 96 108 111 144 148 162 216 222 288 296 307 324 333 432 444 592 614 648 666 864 883 888 921 999 1184 1228 1296 1332 1766 1776 1842 1998 2456 2592 2649 2664 2763 2997 3532 3552 3684 3996 4912 5298 5328 5526 5994 7064 7368 7947 7992 8289 9824 10596 10656 11052 11359 11988 14128 14736 15894 15984 16578 21192 22104 22718 23841 23976 24867 28256 29472 31788 31968 32671 33156 34077 42384 44208 45436 47682 47952 49734 63576 65342 66312 68154 71523 84768 88416 90872 94249 95364 95904 98013 99468 102231 127152 130684 132624 136308 143046 181744 188498 190728 196026 198936 204462 254304 261368 265248 271081 272616 282747 286092 294039 306693 363488 376996 381456 392052 397872 408924 522736 542162 545232 565494 572184 588078 613386 753992 762912 784104 795744 813243 817848 848241 882117 920079 1045472 1084324 1090464 1130988 1144368 1176156 1226772 1507984 1568208 1626486 1635696 1696482 1764234 1840158 2168648 2261976 2288736 2352312 2439729 2453544 2544723 2646351 3015968 3136416 3252972 3271392 3392964 3487213 3528468 3680316 4337296 4523952 4704624 4879458 4907088 5089446 5292702 6505944 6785928 6974426 7056936 7319187 7360632 7634169 8674592 9047904 9409248 9758916 9814176 10029997 10178892 10461639 10585404 13011888 13571856 13948852 14113872 14638374 14721264 15268338 19517832 20059994 20357784 20923278 21170808 21957561 26023776 27143712 27897704 28227744 29276748 29442528 30089991 30536676 31384917 39035664 40119988 40715568 41846556 42341616 43915122 55795408 58553496 60179982 61073352 62769834 78071328 80239976 81431136 83221867 83693112 84683232 87830244 90269973 94154751 111590816 117106992 120359964 122146704 125539668 160479952 166443734 167386224 175660488 180539946 188309502 234213984 240719928 244293408 249665601 251079336 270809919 282464253 320959904 332887468 334772448 351320976 361079892 376619004 481439856 499331202 502158672 541619838 564928506 665774936 702641952 722159784 748996803 753238008 812429757 962879712 998662404 1004317344 1083239676 1129857012 1331549872 1444319568 1497993606 1506476016 1624859514 1997324808 2166479352 2246990409 2259714024 2663099744 2888639136 2995987212 3012952032 3079209079 3249719028 3994649616 4332958704 4493980818 4519428048 5991974424 6158418158 6499438056 6740971227 7989299232 8665917408 8987961636 9038856096 9237627237 11983948848 12316836316 12998876112 13481942454 17975923272 18475254474 23967897696 24633672632 25997752224 26963884908 27712881711 35951846544 36950508948 49267345264 53927769816 55425763422 71903693088 73901017896 83138645133 98534690528 107855539632 110851526844 147802035792 166277290266 215711079264 221703053688 249415935399 295604071584 332554580532 443406107376 498831870798 665109161064 886812214752 997663741596 1330218322128 1995327483192 2660436644256 3990654966384 7981309932768
• Sum of all divisors σ(n): 24213382705512
• Sum of proper divisors (its aliquot sum) s(n): 16232072772744
• 7981309932768 is an abundant number, because the sum of its proper divisors (16232072772744) is greater than itself. Its abundance is 8250762839976

Bases of 7981309932768

• Binary: 1110100001001001011001001001011010011100000₂
• Hexadecimal: 0x7424B24B4E0
• Base-36: 2TUK9V200

Squares and roots of 7981309932768

• 7981309932768 squared (7981309932768²) is 63701308242901136680141824
• 7981309932768 cubed (7981309932768³) is 508419884209382915409853520030144888832
• The square root of 7981309932768 is 2825121.2244376347
• The cube root of 7981309932768 is 19984.4127990877

Scales and comparisons

• 7,981,309,932,768 seconds is equal to 253,780 years, 50 weeks, 2 days, 8 hours, 52 minutes, 48 seconds.
• To count from 1 to 7,981,309,932,768 would take you about six hundred thirty-four thousand, four hundred fifty-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 7981309932768 cubic inches would be around 1665.4 feet tall.

Recreational maths with 7981309932768

• 7981309932768 backwards is 8672399031897
• 7981309932768 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 7981309932768's digits is 72
• More coming soon!