28038702120

Names of 28038702120

• Cardinal: 28038702120 can be written as Twenty-eight billion, thirty-eight million, seven hundred two thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.803870212 × 10¹⁰

Factors of 28038702120

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 193

Divisors of 28038702120

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 13 15 20 22 24 26 30 33 37 39 40 43 44 52 55 60 65 66 74 78 79 86 88 104 110 111 120 129 130 132 143 148 156 158 165 169 172 185 195 215 220 222 237 258 260 264 286 296 312 316 330 338 344 370 390 395 407 429 430 440 444 473 474 481 507 516 520 555 559 572 632 645 660 676 715 740 780 790 814 845 858 860 869 888 946 948 962 1014 1027 1032 1110 1118 1144 1185 1221 1290 1320 1352 1419 1430 1443 1480 1560 1580 1591 1628 1677 1690 1716 1720 1738 1859 1892 1896 1924 2028 2035 2054 2145 2220 2236 2365 2370 2405 2442 2535 2580 2607 2795 2838 2860 2886 2923 3081 3160 3182 3256 3354 3380 3397 3432 3476 3718 3784 3848 4056 4070 4108 4290 4345 4440 4472 4730 4740 4773 4810 4884 5070 5135 5160 5214 5291 5577 5590 5676 5720 5772 5846 6105 6149 6162 6253 6364 6708 6760 6794 6952 7095 7215 7267 7436 7955 8140 8216 8385 8580 8690 8769 9295 9460 9480 9546 9620 9768 10140 10191 10270 10428 10582 11154 11180 11297 11352 11544 11692 12210 12298 12324 12506 12728 13035 13351 13416 13588 14190 14430 14534 14615 14872 15405 15873 15910 16280 16770 16985 17160 17380 17501 17538 18447 18590 18759 18920 19092 19240 20280 20382 20540 20683 20856 21164 21801 22308 22360 22594 23384 23865 24420 24596 24648 25012 26070 26455 26702 27176 27885 28380 28860 29068 29230 30745 30810 31265 31746 31820 32153 33540 33891 33970 34760 35002 35076 36335 36894 37180 37367 37518 37999 38184 40053 40764 41080 41366 42328 43602 43845 44161 44616 45188 47730 48840 49192 50024 50955 52140 52503 52910 53404 55770 56485 56760 57720 58136 58460 61490 61620 62049 62530 63492 63640 64306 66755 67080 67782 67940 68783 70004 70152 72670 73788 74360 74734 75036 75998 79365 79937 80106 81528 82732 87204 87505 87690 88322 90376 92235 93795 95460 96459 101910 103415 104280 105006 105820 106808 109005 111540 112101 112970 113997 116920 122980 123240 124098 125060 125689 126984 128612 132483 133510 135564 135880 137566 140008 145340 146861 147576 149468 150072 151996 158730 159874 160212 160765 165464 169455 174408 175010 175380 176644 184470 186835 187590 189995 190920 192918 200265 203820 206349 206830 210012 211640 218010 220805 223080 224202 225940 227513 227994 239811 245960 248196 250120 251378 257224 262515 264966 267020 268879 271128 275132 290680 293722 298936 303992 310245 317460 319748 320424 321530 338910 343915 350020 350760 353288 368940 373670 375180 377067 379990 385836 399685 400530 407640 412698 413660 417989 420024 436020 440583 441610 448404 451880 455026 455988 479622 482295 485771 493987 496392 502756 525030 529932 534040 537758 550264 560505 569985 574093 587444 620490 628445 634920 639496 643060 662415 677820 682539 687830 700040 734305 737880 747340 750360 754134 759980 771672 799370 801060 806637 825396 827320 835978 872040 881166 883220 896808 910052 911976 959244 964590 971542 987974 1005512 1031745 1050060 1059864 1075516 1121010 1137565 1139970 1148186 1174888 1199055 1240980 1253967 1256890 1286120 1324830 1344395 1355640 1365078 1375660 1382579 1457313 1468610 1481961 1494680 1508268 1519960 1598740 1602120 1613274 1633957 1650792 1671956 1722279 1762332 1766440 1820104 1885335 1918488 1929180 1943084 1975948 2063490 2089945 2100120 2151032 2202915 2242020 2275130 2279940 2296372 2398110 2428855 2469935 2481960 2507934 2513780 2649660 2688790 2730156 2751320 2765158 2870465 2914626 2937220 2957669 2963922 3016536 3197480 3226548 3267914 3343912 3412695 3444558 3524664 3770670 3858360 3886168 3951896 4033185 4126980 4147737 4179890 4405830 4484040 4550260 4559880 4592744 4796220 4857710 4901871 4939870 5015868 5027560 5299320 5377580 5433857 5460312 5530316 5740930 5829252 5874440 5915338 5927844 6269835 6315023 6453096 6535828 6825390 6889116 6912895 7286565 7409805 7541340 8066370 8169785 8253960 8295474 8359780 8611395 8811660 8873007 9100520 9592440 9715420 9803742 9879740 10031736 10755160 10867714 11060632 11481860 11658504 11830676 11855688 12539670 12630046 13071656 13650780 13778232 13825790 14573130 14788345 14819610 15082680 16132740 16301571 16339570 16590948 16719560 17222790 17623320 17746014 17973527 18945069 19430840 19607484 19759480 20738685 21241441 21735428 22963720 23661352 24509355 25079340 25260092 27169285 27301560 27651580 29146260 29576690 29639220 31575115 32265480 32603142 32679140 33181896 34445580 35492028 35947054 37890138 39214968 41477370 42482882 43470856 44365035 49018710 50158680 50520184 53920581 54338570 55303160 58292520 59153380 59278440 63150230 63724323 65206284 65358280 68891160 70984056 71894108 75780276 81507855 82954740 84965764 88730070 89867635 94725345 98037420 106207205 107841162 108677140 118306760 126300460 127448646 130412568 143788216 151560552 163015710 165909480 169931528 177460140 179735270 189450690 196074840 212414410 215682324 217354280 233655851 252600920 254897292 269602905 318621615 326031420 354920280 359470540 378901380 424828820 431364648 467311702 509794584 539205810 637243230 652062840 700967553 718941080 757802760 849657640 934623404 1078411620 1168279255 1274486460 1401935106 1869246808 2156823240 2336558510 2548972920 2803870212 3504837765 4673117020 5607740424 7009675530 9346234040 14019351060 28038702120
• Sum of all divisors σ(n): 105745305600
• Sum of proper divisors (its aliquot sum) s(n): 77706603480
• 28038702120 is an abundant number, because the sum of its proper divisors (77706603480) is greater than itself. Its abundance is 49667901360

Bases of 28038702120

• Binary: 11010000111001111001010010000101000₂
• Hexadecimal: 0x6873CA428
• Base-36: CVPIP0O

Squares and roots of 28038702120

• 28038702120 squared (28038702120²) is 786168816574092494400
• 28038702120 cubed (28038702120³) is 22043153263953898359809368128000
• The square root of 28038702120 is 167447.6100755099
• The cube root of 28038702120 is 3037.9874043173

Scales and comparisons

• 28,038,702,120 seconds is equal to 891 years, 28 weeks, 2 days, 22 minutes.
• To count from 1 to 28,038,702,120 would take you about one thousand, seven hundred eighty-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 28038702120 cubic inches would be around 253.2 feet tall.

Recreational maths with 28038702120

• 28038702120 backwards is 02120783082
• 28038702120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28038702120's digits is 33
• More coming soon!