28168944664320

Names of 28168944664320

• Cardinal: 28168944664320 can be written as Twenty-eight trillion, one hundred sixty-eight billion, nine hundred forty-four million, six hundred sixty-four thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.816894466432 × 10¹³

Factors of 28168944664320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 80751

Divisors of 28168944664320

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 32 34 36 40 45 48 51 60 64 68 72 80 85 90 96 102 120 128 136 144 153 160 170 180 192 204 240 255 256 272 288 306 320 340 360 384 408 480 510 544 576 612 640 680 720 765 768 816 960 1020 1088 1152 1224 1280 1360 1440 1530 1632 1823 1920 2040 2176 2304 2448 2720 2880 3060 3264 3646 3840 4080 4352 4896 5440 5469 5760 6120 6528 7292 8160 9115 9792 10880 10938 11520 12240 13056 14584 16320 16407 18230 19584 21760 21876 24480 27345 29168 30991 32640 32814 36460 39168 43752 48960 54690 58336 61982 65280 65628 72920 78901 82035 87504 92973 97920 109380 116672 123964 131256 145840 154955 157802 164070 175008 185946 195840 218760 233344 236703 247928 262512 278919 291680 309910 315604 328140 350016 371892 394505 437520 464865 466688 473406 495856 525024 557838 583360 619820 631208 656280 700032 710109 743784 789010 875040 929730 946812 991712 1050048 1115676 1166720 1183515 1239640 1262416 1312560 1341317 1394595 1400064 1420218 1487568 1578020 1750080 1859460 1893624 1983424 2100096 2231352 2333440 2367030 2479280 2524832 2625120 2682634 2789190 2840436 2975136 3156040 3500160 3550545 3718920 3787248 3966848 4023951 4200192 4462704 4734060 4958560 5049664 5250240 5365268 5578380 5680872 5950272 6312080 6706585 7000320 7101090 7437840 7574496 7933696 8047902 8925408 9468120 9917120 10099328 10500480 10730536 11156760 11361744 11900544 12071853 12624160 13413170 14202180 14875680 15148992 16095804 17850816 18936240 19834240 20119755 20198656 21000960 21461072 22313520 22723488 23801088 24143706 25248320 26826340 28404360 29751360 30297984 32191608 35701632 37872480 39668480 40239510 42922144 44627040 45446976 48287412 50496640 53652680 56808720 59502720 60359265 60595968 64383216 71403264 75744960 80479020 85844288 89254080 90893952 96574824 100993280 107305360 113617440 119005440 120718530 128766432 143836523 151489920 160958040 171688576 178508160 181787904 193149648 214610720 227234880 241437060 257532864 287673046 302979840 321916080 343377152 357016320 386299296 429221440 431509569 454469760 482874120 515065728 575346092 643832160 719182615 772598592 858442880 863019138 908939520 965748240 1030131456 1150692184 1287664320 1294528707 1438365230 1545197184 1716885760 1726038276 1931496480 2157547845 2301384368 2445220891 2575328640 2589057414 2876730460 3090394368 3452076552 3862992960 4315095690 4602768736 4890441782 5150657280 5178114828 5753460920 6472643535 6904153104 7335662673 7725985920 8630191380 9205537472 9780883564 10356229656 11506921840 12226104455 12945287070 13808306208 14671325346 15451971840 17260382760 18411074944 19561767128 20712459312 22006988019 23013843680 24452208910 25890574140 27616612416 29342650692 34520765520 36678313365 36822149888 39123534256 41424918624 44013976038 46027687360 48904417820 51781148280 55233224832 58685301384 69041531040 73356626730 78247068512 82849837248 88027952076 92055374720 97808835640 103562296560 110034940095 110466449664 117370602768 138083062080 146713253460 156494137024 165699674496 176055904152 184110749440 195617671280 207124593120 220069880190 234741205536 276166124160 293426506920 312988274048 331399348992 352111808304 391235342560 414249186240 440139760380 469482411072 552332248320 586853013840 625976548096 704223616608 782470685120 828498372480 880279520760 938964822144 1173706027680 1408447233216 1564941370240 1656996744960 1760559041520 1877929644288 2347412055360 2816894466432 3129882740480 3521118083040 4694824110720 5633788932864 7042236166080 9389648221440 14084472332160 28168944664320
• Sum of all divisors σ(n): 103252566074112
• Sum of proper divisors (its aliquot sum) s(n): 75083621409792
• 28168944664320 is an abundant number, because the sum of its proper divisors (75083621409792) is greater than itself. Its abundance is 46914676745472

Bases of 28168944664320

• Binary: 110011001111010010111111100001011111100000000₂
• Hexadecimal: 0x199E97F0BF00
• Base-36: 9ZGMUCOW0

Squares and roots of 28168944664320

• 28168944664320 squared (28168944664320²) is 793489443501522197481062400
• 28168944664320 cubed (28168944664320³) is 22351760225716449802532214036724973568000
• The square root of 28168944664320 is 5307442.3844560011
• The cube root of 28168944664320 is 30426.8405698245

Scales and comparisons

• 28,168,944,664,320 seconds is equal to 895,685 years, 16 weeks, 3 hours, 12 minutes.
• To count from 1 to 28,168,944,664,320 would take you about two million, two hundred thirty-nine thousand, two hundred thirteen 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 28168944664320 cubic inches would be around 2535.6 feet tall.

Recreational maths with 28168944664320

• 28168944664320 backwards is 02346644986182
• The number of decimal digits it has is: 14
• The sum of 28168944664320's digits is 63
• More coming soon!