28928868720
28,928,868,720 is an even composite number composed of seven prime numbers multiplied together.
28928868720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 28928868720:
24 × 3 × 5 × 17 × 67 × 97 × 1091
(2 × 2 × 2 × 2 × 3 × 5 × 17 × 67 × 97 × 1091)See below for interesting mathematical facts about the number 28928868720 from the Numbermatics database.
Names of 28928868720
- Cardinal: 28928868720 can be written as Twenty-eight billion, nine hundred twenty-eight million, eight hundred sixty-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.892886872 × 1010
Factors of 28928868720
Divisors of 28928868720
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 60 67 68 80 85 97 102 120 134 136 170 194 201 204 240 255 268 272 291 335 340 388 402 408 485 510 536 582 670 680 776 804 816 970 1005 1020 1072 1091 1139 1164 1340 1360 1455 1552 1608 1649 1940 2010 2040 2182 2278 2328 2680 2910 3216 3273 3298 3417 3880 4020 4080 4364 4556 4656 4947 5360 5455 5695 5820 6499 6546 6596 6834 7760 8040 8245 8728 9112 9894 10910 11390 11640 12998 13092 13192 13668 16080 16365 16490 17085 17456 18224 18547 19497 19788 21820 22780 23280 24735 25996 26184 26384 27336 32495 32730 32980 34170 37094 38994 39576 43640 45560 49470 51992 52368 54672 55641 64990 65460 65960 68340 73097 74188 77988 79152 87280 91120 92735 97485 98940 103984 105827 110483 111282 129980 130920 131920 136680 146194 148376 155976 185470 194970 197880 211654 219291 220966 222564 259960 261840 273360 278205 292388 296752 311952 317481 331449 365485 370940 389940 395760 423308 438582 441932 445128 519920 529135 552415 556410 584776 634962 662898 730970 741880 779880 846616 877164 883864 890256 1058270 1096455 1104830 1112820 1169552 1242649 1269924 1325796 1461940 1483760 1559760 1587405 1657245 1693232 1754328 1767728 1799059 2116540 2192910 2209660 2225640 2485298 2539848 2651592 2923880 3174810 3314490 3508656 3598118 3727947 4233080 4385820 4419320 4451280 4970596 5079696 5303184 5397177 5847760 6213245 6349620 6628980 7090409 7196236 7455894 8466160 8771640 8838640 8995295 9941192 10794354 12426490 12699240 13257960 14180818 14392472 14911788 17543280 17990590 18639735 19882384 21271227 21588708 24852980 25398480 26515920 26985885 28361636 28784944 29823576 35452045 35981180 37279470 42542454 43177416 49705960 53971770 56723272 59647152 70904090 71962360 74558940 85084908 86354832 99411920 106356135 107943540 113446544 120536953 141808180 143924720 149117880 170169816 212712270 215887080 241073906 283616360 298235760 340339632 361610859 425424540 431774160 482147812 567232720 602684765 723221718 850849080 964295624 1205369530 1446443436 1701698160 1808054295 1928591248 2410739060 2892886872 3616108590 4821478120 5785773744 7232217180 9642956240 14464434360 28928868720
- Sum of all divisors σ(n): 97454762496
- Sum of proper divisors (its aliquot sum) s(n): 68525893776
- 28928868720 is an abundant number, because the sum of its proper divisors (68525893776) is greater than itself. Its abundance is 39597025056
Bases of 28928868720
- Binary: 110101111000100101110000001011100002
- Hexadecimal: 0x6BC4B8170
- Base-36: DAFI1YO
Squares and roots of 28928868720
- 28928868720 squared (289288687202) is 836879445418994438400
- 28928868720 cubed (289288687203) is 24209975610992495502883726848000
-
The
square root of 28928868720 is 170084.8868065591 -
The
cube root of 28928868720 is 3069.8028400653
Scales and comparisons
How big is 28928868720?- 28,928,868,720 seconds is equal to 919 years, 44 weeks, 20 hours, 52 minutes.
-
To count from 1 to 28,928,868,720 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 28928868720 cubic inches would be around 255.8 feet tall.
Recreational maths with 28928868720
- 28928868720 backwards is 02786882982
- 28928868720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28928868720's digits is 60
- More coming soon!
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