28997379840
28,997,379,840 is an even composite number composed of six prime numbers multiplied together.
28997379840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 28997379840:
28 × 3 × 5 × 11 × 13 × 52807
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 11 × 13 × 52807)See below for interesting mathematical facts about the number 28997379840 from the Numbermatics database.
Names of 28997379840
- Cardinal: 28997379840 can be written as Twenty-eight billion, nine hundred ninety-seven million, three hundred seventy-nine thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.899737984 × 1010
Factors of 28997379840
Divisors of 28997379840
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 13 15 16 20 22 24 26 30 32 33 39 40 44 48 52 55 60 64 65 66 78 80 88 96 104 110 120 128 130 132 143 156 160 165 176 192 195 208 220 240 256 260 264 286 312 320 330 352 384 390 416 429 440 480 520 528 572 624 640 660 704 715 768 780 832 858 880 960 1040 1056 1144 1248 1280 1320 1408 1430 1560 1664 1716 1760 1920 2080 2112 2145 2288 2496 2640 2816 2860 3120 3328 3432 3520 3840 4160 4224 4290 4576 4992 5280 5720 6240 6864 7040 8320 8448 8580 9152 9984 10560 11440 12480 13728 14080 16640 17160 18304 21120 22880 24960 27456 34320 36608 42240 45760 49920 52807 54912 68640 91520 105614 109824 137280 158421 183040 211228 264035 274560 316842 422456 528070 549120 580877 633684 686491 792105 844912 1056140 1161754 1267368 1372982 1584210 1689824 1742631 2059473 2112280 2323508 2534736 2745964 2904385 3168420 3379648 3432455 3485262 4118946 4224560 4647016 5069472 5491928 5808770 6336840 6759296 6864910 6970524 7551401 8237892 8449120 8713155 9294032 10138944 10297365 10983856 11617540 12673680 13518592 13729820 13941048 15102802 16475784 16898240 17426310 18588064 20277888 20594730 21967712 22654203 23235080 25347360 27459640 27882096 30205604 32951568 33796480 34852620 37176128 37757005 40555776 41189460 43935424 45308406 46470160 50694720 54919280 55764192 60411208 65903136 67592960 69705240 74352256 75514010 82378920 87870848 90616812 92940320 101389440 109838560 111528384 113271015 120822416 131806272 139410480 148704512 151028020 164757840 175741696 181233624 185880640 202778880 219677120 223056768 226542030 241644832 263612544 278820960 302056040 329515680 362467248 371761280 439354240 446113536 453084060 483289664 527225088 557641920 604112080 659031360 724934496 743522560 878708480 906168120 966579328 1115283840 1208224160 1318062720 1449868992 1812336240 1933158656 2230567680 2416448320 2636125440 2899737984 3624672480 4832896640 5799475968 7249344960 9665793280 14498689920 28997379840
- Sum of all divisors σ(n): 108803068416
- Sum of proper divisors (its aliquot sum) s(n): 79805688576
- 28997379840 is an abundant number, because the sum of its proper divisors (79805688576) is greater than itself. Its abundance is 50808308736
Bases of 28997379840
- Binary: 110110000000110000011100111000000002
- Hexadecimal: 0x6C060E700
- Base-36: DBKAHHC
Squares and roots of 28997379840
- 28997379840 squared (289973798402) is 840848037585238425600
- 28997379840 cubed (289973798403) is 24382389933577755004086779904000
-
The
square root of 28997379840 is 170286.1704308369 -
The
cube root of 28997379840 is 3072.2242946041
Scales and comparisons
How big is 28997379840?- 28,997,379,840 seconds is equal to 922 years, 1 week, 2 days, 19 hours, 44 minutes.
-
To count from 1 to 28,997,379,840 would take you about one thousand, eight hundred forty-four 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 28997379840 cubic inches would be around 256 feet tall.
Recreational maths with 28997379840
- 28997379840 backwards is 04897379982
- 28997379840 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28997379840's digits is 66
- More coming soon!
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