28307208960

Names of 28307208960

• Cardinal: 28307208960 can be written as Twenty-eight billion, three hundred seven million, two hundred eight thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.830720896 × 10¹⁰

Factors of 28307208960

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 16434

Divisors of 28307208960

• 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 96 120 128 144 151 160 180 192 240 256 288 302 320 360 384 453 480 576 604 640 720 755 768 906 960 1152 1208 1280 1359 1440 1510 1812 1920 2265 2304 2416 2718 2880 3020 3624 3840 4530 4832 5436 5760 6040 6795 7248 9060 9664 10872 11520 12080 13590 14496 16273 18120 19328 21744 24160 27180 28992 32546 36240 38656 43488 48320 48819 54360 57984 65092 72480 81365 86976 96640 97638 108720 115968 130184 144960 146457 162730 173952 193280 195276 217440 244095 260368 289920 292914 325460 347904 390552 434880 488190 520736 579840 585828 650920 732285 781104 869760 976380 1041472 1171656 1301840 1464570 1562208 1739520 1952760 2082944 2343312 2457223 2603680 2929140 3124416 3905520 4165888 4686624 4914446 5207360 5858280 6248832 7371669 7811040 9373248 9828892 10414720 11716560 12286115 12497664 14743338 15622080 18746496 19657784 20829440 22115007 23433120 24572230 29486676 31244160 36858345 37492992 39315568 44230014 46866240 49144460 58973352 62488320 73716690 78631136 88460028 93732480 98288920 110575035 117946704 147433380 157262272 176920056 187464960 196577840 221150070 235893408 294866760 314524544 353840112 393155680 442300140 471786816 589733520 629049088 707680224 786311360 884600280 943573632 1179467040 1415360448 1572622720 1769200560 1887147264 2358934080 2830720896 3145245440 3538401120 4717868160 5661441792 7076802240 9435736320 14153604480 28307208960
• Sum of all divisors σ(n): 98594661984
• Sum of proper divisors (its aliquot sum) s(n): 70287453024
• 28307208960 is an abundant number, because the sum of its proper divisors (70287453024) is greater than itself. Its abundance is 41980244064

Bases of 28307208960

• Binary: 11010010111001111011011101100000000₂
• Hexadecimal: 0x6973DBB00
• Base-36: D05DQ80

Squares and roots of 28307208960

• 28307208960 squared (28307208960²) is 801298079105104281600
• 28307208960 cubed (28307208960³) is 22682512164474796701841883136000
• The square root of 28307208960 is 168247.4634578483
• The cube root of 28307208960 is 3047.6541654039

Scales and comparisons

• 28,307,208,960 seconds is equal to 900 years, 4 weeks, 1 day, 17 hours, 36 minutes.
• To count from 1 to 28,307,208,960 would take you about one thousand, eight hundred 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 28307208960 cubic inches would be around 254 feet tall.

Recreational maths with 28307208960

• 28307208960 backwards is 06980270382
• 28307208960 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28307208960's digits is 45
• More coming soon!