28919070720

Names of 28919070720

• Cardinal: 28919070720 can be written as Twenty-eight billion, nine hundred nineteen million, seventy thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.891907072 × 10¹⁰

Factors of 28919070720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 4913

Divisors of 28919070720

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 480 512 576 640 720 768 960 1024 1152 1280 1440 1536 1920 2048 2304 2560 2880 3072 3840 4096 4608 4903 5120 5760 6144 7680 8192 9216 9806 10240 11520 12288 14709 15360 16384 18432 19612 20480 23040 24515 24576 29418 30720 32768 36864 39224 40960 44127 46080 49030 49152 58836 61440 65536 73545 73728 78448 81920 88254 92160 98060 98304 117672 122880 131072 147090 147456 156896 163840 176508 184320 196120 196608 220635 235344 245760 294180 294912 313792 327680 353016 368640 392240 393216 441270 470688 491520 588360 589824 627584 655360 706032 737280 784480 882540 941376 983040 1176720 1179648 1255168 1412064 1474560 1568960 1765080 1882752 1966080 2353440 2510336 2824128 2949120 3137920 3530160 3765504 4706880 5020672 5648256 5898240 6275840 7060320 7531008 9413760 10041344 11296512 12551680 14120640 15062016 18827520 20082688 22593024 25103360 28241280 30124032 37655040 40165376 45186048 50206720 56482560 60248064 75310080 80330752 90372096 100413440 112965120 120496128 150620160 160661504 180744192 200826880 225930240 240992256 301240320 321323008 361488384 401653760 451860480 481984512 602480640 642646016 722976768 803307520 903720960 963969024 1204961280 1445953536 1606615040 1807441920 1927938048 2409922560 2891907072 3213230080 3614883840 4819845120 5783814144 7229767680 9639690240 14459535360 28919070720
• Sum of all divisors σ(n): 100272843216
• Sum of proper divisors (its aliquot sum) s(n): 71353772496
• 28919070720 is an abundant number, because the sum of its proper divisors (71353772496) is greater than itself. Its abundance is 42434701776

Bases of 28919070720

• Binary: 11010111011101101100000000000000000₂
• Hexadecimal: 0x6BBB60000
• Base-36: DA9O1S0

Squares and roots of 28919070720

• 28919070720 squared (28919070720²) is 836312651308361318400
• 28919070720 cubed (28919070720³) is 24185384707217201494122037248000
• The square root of 28919070720 is 170056.0811026763
• The cube root of 28919070720 is 3069.4562275415

Scales and comparisons

• 28,919,070,720 seconds is equal to 919 years, 27 weeks, 6 days, 11 hours, 12 minutes.
• To count from 1 to 28,919,070,720 would take you about one thousand, eight hundred thirty-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 28919070720 cubic inches would be around 255.8 feet tall.

Recreational maths with 28919070720

• 28919070720 backwards is 02707091982
• 28919070720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28919070720's digits is 45
• More coming soon!