72481609728

Names of 72481609728

• Cardinal: 72481609728 can be written as Seventy-two billion, four hundred eighty-one million, six hundred nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 7.2481609728 × 10¹⁰

Factors of 72481609728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 196

Divisors of 72481609728

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 23 24 27 32 33 36 44 46 48 54 64 66 69 72 81 88 92 96 99 108 121 128 132 138 144 157 162 176 184 192 198 207 216 242 253 256 264 276 288 297 314 324 352 363 368 384 396 414 432 471 484 506 512 528 552 576 594 621 628 648 704 726 736 759 768 792 828 864 891 942 968 1012 1024 1056 1089 1104 1152 1188 1242 1256 1296 1408 1413 1452 1472 1518 1536 1584 1656 1727 1728 1782 1863 1884 1936 2024 2048 2112 2178 2208 2277 2304 2376 2484 2512 2592 2783 2816 2826 2904 2944 3036 3072 3168 3267 3312 3454 3456 3564 3611 3726 3768 3872 4048 4224 4239 4356 4416 4554 4608 4752 4968 5024 5181 5184 5566 5632 5652 5808 5888 6072 6144 6336 6534 6624 6831 6908 6912 7128 7222 7452 7536 7744 8096 8349 8448 8478 8712 8832 9108 9216 9504 9801 9936 10048 10362 10368 10833 11132 11264 11304 11616 11776 12144 12672 12717 13068 13248 13662 13816 13824 14256 14444 14904 15072 15488 15543 16192 16698 16896 16956 17424 17664 18216 18432 18997 19008 19602 19872 20096 20493 20724 20736 21666 22264 22528 22608 23232 23552 24288 25047 25344 25434 26136 26496 27324 27632 27648 28512 28888 29808 30144 30976 31086 32384 32499 33396 33792 33912 34848 35328 36432 37994 38016 39204 39721 39744 40192 40986 41448 41472 43332 44528 45216 46464 46629 47104 48576 50094 50688 50868 52272 52992 54648 55264 55296 56991 57024 57776 59616 60288 61952 62172 64768 64998 66792 67584 67824 69696 70656 72864 75141 75988 76032 78408 79442 79488 80384 81972 82896 82944 86664 89056 90432 92928 93258 97152 97497 100188 101376 101736 104544 105984 109296 110528 113982 114048 115552 119163 119232 120576 123904 124344 129536 129996 133584 135648 139392 139887 141312 145728 150282 151976 152064 156816 158884 158976 160768 163944 165792 165888 170973 173328 178112 180864 185856 186516 194304 194994 200376 202752 203472 209088 211968 218592 221056 225423 227964 228096 231104 238326 238464 241152 247808 248688 259072 259992 267168 271296 278784 279774 291456 292491 300564 303952 304128 313632 317768 317952 321536 327888 331584 341946 346656 356224 357489 361728 371712 373032 388608 389988 400752 406944 418176 423936 436931 437184 442112 450846 455928 456192 462208 476652 476928 482304 497376 512919 518144 519984 534336 542592 557568 559548 582912 584982 601128 607904 608256 627264 635536 635904 655776 663168 683892 693312 712448 714978 723456 743424 746064 777216 779976 801504 813888 836352 873862 874368 884224 901692 911856 912384 924416 953304 953856 964608 994752 1025838 1039968 1068672 1072467 1085184 1115136 1119096 1165824 1169964 1202256 1215808 1254528 1271072 1271808 1310793 1311552 1326336 1367784 1386624 1424896 1429956 1446912 1492128 1538757 1554432 1559952 1603008 1627776 1672704 1747724 1748736 1768448 1803384 1823712 1824768 1848832 1906608 1907712 1989504 2051676 2079936 2137344 2144934 2170368 2230272 2238192 2331648 2339928 2404512 2431616 2509056 2542144 2621586 2623104 2652672 2735568 2773248 2849792 2859912 2893824 2984256 3077514 3119904 3206016 3217401 3255552 3345408 3495448 3497472 3536896 3606768 3647424 3697664 3813216 3815424 3932379 3979008 4103352 4159872 4274688 4289868 4340736 4476384 4663296 4679856 4809024 4863232 5018112 5084288 5243172 5246208 5305344 5471136 5546496 5699584 5719824 5968512 6155028 6239808 6412032 6434802 6511104 6690816 6990896 6994944 7213536 7294848 7395328 7626432 7864758 7958016 8206704 8319744 8549376 8579736 8681472 8952768 9359712 9618048 9726464 10036224 10168576 10486344 10492416 10610688 10942272 11092992 11439648 11797137 11937024 12310056 12479616 12824064 12869604 13022208 13981792 13989888 14427072 14589696 15252864 15729516 15916032 16413408 16639488 17098752 17159472 17905536 18719424 19236096 19452928 20072448 20337152 20972688 20984832 21884544 22185984 22879296 23594274 23874048 24620112 24959232 25648128 25739208 26044416 27963584 28854144 29179392 30505728 31459032 31832064 32826816 33278976 34318944 35391411 35811072 37438848 38472192 38905856 40674304 41945376 41969664 43769088 45758592 47188548 47748096 49240224 49918464 51296256 51478416 55927168 57708288 58358784 61011456 62918064 65653632 66557952 68637888 70782822 71622144 74877696 76944384 81348608 83890752 87538176 91517184 94377096 95496192 98480448 99836928 102956832 111854336 115416576 116717568 122022912 125836128 131307264 137275776 141565644 143244288 149755392 153888768 167781504 175076352 183034368 188754192 196960896 199673856 205913664 223708672 230833152 244045824 251672256 262614528 274551552 283131288 286488576 299510784 335563008 350152704 366068736 377508384 393921792 411827328 447417344 461666304 503344512 525229056 549103104 566262576 599021568 671126016 732137472 755016768 787843584 823654656 894834688 1006689024 1050458112 1098206208 1132525152 1342252032 1510033536 1575687168 1647309312 2013378048 2196412416 2265050304 2684504064 3020067072 3151374336 3294618624 4026756096 4530100608 6040134144 6589237248 8053512192 9060201216 12080268288 18120402432 24160536576 36240804864 72481609728
• Sum of all divisors σ(n): 249895966320
• Sum of proper divisors (its aliquot sum) s(n): 177414356592
• 72481609728 is an abundant number, because the sum of its proper divisors (177414356592) is greater than itself. Its abundance is 104932746864

Bases of 72481609728

• Binary: 1000011100000001111011001100000000000₂
• Hexadecimal: 0x10E03D9800
• Base-36: XAPOG00

Squares and roots of 72481609728

• 72481609728 squared (72481609728²) is 5253583748762104233984
• 72481609728 cubed (72481609728³) is 380788206951138042203684682596352
• The square root of 72481609728 is 269224.0883130631
• The cube root of 72481609728 is 4169.4228609677

Scales and comparisons

• 72,481,609,728 seconds is equal to 2,304 years, 35 weeks, 6 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 72,481,609,728 would take you about four thousand, six hundred 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 72481609728 cubic inches would be around 347.5 feet tall.

Recreational maths with 72481609728

• 72481609728 backwards is 82790618427
• 72481609728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72481609728's digits is 54
• More coming soon!