28989388800

Names of 28989388800

• Cardinal: 28989388800 can be written as Twenty-eight billion, nine hundred eighty-nine million, three hundred eighty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.89893888 × 10¹⁰

Factors of 28989388800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 1250

Divisors of 28989388800

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 53 60 64 72 75 80 90 96 100 106 120 128 144 150 159 160 180 192 200 212 225 240 256 265 288 300 318 320 360 384 400 424 450 477 480 512 530 576 600 636 640 720 768 795 800 848 900 954 960 1024 1060 1152 1187 1200 1272 1280 1325 1440 1536 1590 1600 1696 1800 1908 1920 2048 2120 2304 2374 2385 2400 2544 2560 2650 2880 3072 3180 3200 3392 3561 3600 3816 3840 3975 4240 4608 4748 4770 4800 5088 5120 5300 5760 5935 6144 6360 6400 6784 7122 7200 7632 7680 7950 8480 9216 9496 9540 9600 10176 10240 10600 10683 11520 11870 11925 12720 12800 13568 14244 14400 15264 15360 15900 16960 17805 18432 18992 19080 19200 20352 21200 21366 23040 23740 23850 25440 25600 27136 28488 28800 29675 30528 30720 31800 33920 35610 37984 38160 38400 40704 42400 42732 46080 47480 47700 50880 51200 53415 54272 56976 57600 59350 61056 62911 63600 67840 71220 75968 76320 76800 81408 84800 85464 89025 92160 94960 95400 101760 106830 108544 113952 115200 118700 122112 125822 127200 135680 142440 151936 152640 153600 162816 169600 170928 178050 188733 189920 190800 203520 213660 227904 230400 237400 244224 251644 254400 267075 271360 284880 303872 305280 314555 325632 339200 341856 356100 377466 379840 381600 407040 427320 455808 460800 474800 488448 503288 508800 534150 542720 566199 569760 607744 610560 629110 678400 683712 712200 754932 759680 763200 814080 854640 911616 943665 949600 976896 1006576 1017600 1068300 1132398 1139520 1215488 1221120 1258220 1356800 1367424 1424400 1509864 1519360 1526400 1572775 1628160 1709280 1823232 1887330 1899200 2013152 2035200 2136600 2264796 2279040 2430976 2442240 2516440 2713600 2734848 2830995 2848800 3019728 3038720 3052800 3145550 3418560 3646464 3774660 3798400 4026304 4070400 4273200 4529592 4558080 4718325 4884480 5032880 5469696 5661990 5697600 6039456 6077440 6105600 6291100 6837120 7292928 7549320 7596800 8052608 8140800 8546400 9059184 9116160 9436650 10065760 10939392 11323980 11395200 12078912 12154880 12211200 12582200 13674240 14154975 15098640 15193600 16105216 17092800 18118368 18232320 18873300 20131520 21878784 22647960 22790400 24157824 24422400 25164400 27348480 28309950 30197280 30387200 32210432 34185600 36236736 36464640 37746600 40263040 45295920 45580800 48315648 50328800 54696960 56619900 60394560 60774400 64420864 68371200 72473472 75493200 80526080 90591840 91161600 96631296 100657600 109393920 113239800 120789120 128841728 136742400 144946944 150986400 161052160 181183680 182323200 193262592 201315200 226479600 241578240 273484800 289893888 301972800 322104320 362367360 386525184 402630400 452959200 483156480 546969600 579787776 603945600 644208640 724734720 805260800 905918400 966312960 1159575552 1207891200 1449469440 1610521600 1811836800 1932625920 2415782400 2898938880 3221043200 3623673600 4831564800 5797877760 7247347200 9663129600 14494694400 28989388800
• Sum of all divisors σ(n): 105869083320
• Sum of proper divisors (its aliquot sum) s(n): 76879694520
• 28989388800 is an abundant number, because the sum of its proper divisors (76879694520) is greater than itself. Its abundance is 47890305720

Bases of 28989388800

• Binary: 11010111111111001101111100000000000₂
• Hexadecimal: 0x6BFE6F800
• Base-36: DBFJ7K0

Squares and roots of 28989388800

• 28989388800 squared (28989388800²) is 840384662997565440000
• 28989388800 cubed (28989388800³) is 24362237737193397993603072000000
• The square root of 28989388800 is 170262.7052527945
• The cube root of 28989388800 is 3071.9420561987

Scales and comparisons

• 28,989,388,800 seconds is equal to 921 years, 40 weeks, 1 day, 8 hours.
• To count from 1 to 28,989,388,800 would take you about one thousand, eight hundred forty-three 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 28989388800 cubic inches would be around 256 feet tall.

Recreational maths with 28989388800

• 28989388800 backwards is 00888398982
• The number of decimal digits it has is: 11
• The sum of 28989388800's digits is 63
• More coming soon!