28979379072

Names of 28979379072

• Cardinal: 28979379072 can be written as Twenty-eight billion, nine hundred seventy-nine million, three hundred seventy-nine thousand and seventy-two.

Scientific notation

• Scientific notation: 2.8979379072 × 10¹⁰

Factors of 28979379072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 976

Divisors of 28979379072

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 108 112 126 128 144 162 167 168 189 192 216 224 243 252 288 324 334 336 378 384 432 448 486 501 504 567 576 648 668 672 756 797 864 896 972 1002 1008 1134 1152 1169 1296 1336 1344 1503 1512 1594 1701 1728 1944 2004 2016 2268 2338 2391 2592 2672 2688 3006 3024 3188 3402 3456 3507 3888 4008 4032 4509 4536 4676 4782 5184 5344 5579 6012 6048 6376 6804 7014 7173 7776 8016 8064 9018 9072 9352 9564 10368 10521 10688 11158 12024 12096 12752 13527 13608 14028 14346 15552 16032 16737 18036 18144 18704 19128 21042 21376 21519 22316 24048 24192 25504 27054 27216 28056 28692 31104 31563 32064 33474 36072 36288 37408 38256 40581 42084 43038 44632 48096 50211 51008 54108 54432 56112 57384 63126 64128 64557 66948 72144 72576 74816 76512 81162 84168 86076 89264 94689 96192 100422 102016 108216 108864 112224 114768 126252 129114 133099 133896 144288 149632 150633 153024 162324 168336 172152 178528 189378 192384 193671 200844 216432 217728 224448 229536 252504 258228 266198 267792 284067 288576 301266 306048 324648 336672 344304 357056 378756 387342 399297 401688 432864 448896 451899 459072 505008 516456 532396 535584 568134 577152 602532 649296 673344 688608 714112 757512 774684 798594 803376 865728 903798 918144 931693 1010016 1032912 1064792 1071168 1136268 1197891 1205064 1298592 1346688 1355697 1377216 1515024 1549368 1597188 1606752 1731456 1807596 1863386 2020032 2065824 2129584 2142336 2272536 2395782 2410128 2597184 2711394 2754432 2795079 3030048 3098736 3194376 3213504 3593673 3615192 3726772 4040064 4131648 4259168 4545072 4791564 4820256 5194368 5422788 5590158 6060096 6197472 6388752 6427008 7187346 7230384 7453544 8263296 8385237 8518336 9090144 9583128 9640512 10781019 10845576 11180316 12120192 12394944 12777504 14374692 14460768 14907088 16770474 17036672 18180288 19166256 19281024 21562038 21691152 22360632 24789888 25155711 25555008 28749384 28921536 29814176 32343057 33540948 36360576 38332512 43124076 43382304 44721264 50311422 51110016 57498768 57843072 59628352 64686114 67081896 75467133 76665024 86248152 86764608 89442528 100622844 114997536 119256704 129372228 134163792 150934266 153330048 172496304 173529216 178885056 201245688 226401399 229995072 258744456 268327584 301868532 344992608 357770112 402491376 452802798 459990144 517488912 536655168 603737064 689985216 804982752 905605596 1034977824 1073310336 1207474128 1379970432 1609965504 1811211192 2069955648 2414948256 3219931008 3622422384 4139911296 4829896512 7244844768 9659793024 14489689536 28979379072
• Sum of all divisors σ(n): 99550563840
• Sum of proper divisors (its aliquot sum) s(n): 70571184768
• 28979379072 is an abundant number, because the sum of its proper divisors (70571184768) is greater than itself. Its abundance is 41591805696

Bases of 28979379072

• Binary: 11010111111010011100011101110000000₂
• Hexadecimal: 0x6BF4E3B80
• Base-36: DB9KO00

Squares and roots of 28979379072

• 28979379072 squared (28979379072²) is 839804411398671581184
• 28979379072 cubed (28979379072³) is 24337010384259941468364758581248
• The square root of 28979379072 is 170233.3077631989
• The cube root of 28979379072 is 3071.5884458433

Scales and comparisons

• 28,979,379,072 seconds is equal to 921 years, 23 weeks, 4 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 28,979,379,072 would take you about one thousand, eight hundred forty-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 28979379072 cubic inches would be around 256 feet tall.

Recreational maths with 28979379072

• 28979379072 backwards is 27097397982
• 28979379072 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28979379072's digits is 63
• More coming soon!