20828897280

Names of 20828897280

• Cardinal: 20828897280 can be written as Twenty billion, eight hundred twenty-eight million, eight hundred ninety-seven thousand, two hundred eighty.

Scientific notation

• Scientific notation: 2.082889728 × 10¹⁰

Factors of 20828897280

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 126

Divisors of 20828897280

• Number of divisors d(n): 600
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 43 45 48 54 60 64 72 73 80 81 86 90 96 108 120 128 129 135 144 146 160 162 172 180 192 215 216 219 240 256 258 270 288 292 320 324 344 360 365 384 387 405 430 432 438 480 512 516 540 576 584 640 645 648 657 688 720 730 768 774 810 860 864 876 960 1024 1032 1080 1095 1152 1161 1168 1280 1290 1296 1314 1376 1440 1460 1536 1548 1620 1720 1728 1752 1920 1935 1971 2048 2064 2160 2190 2304 2322 2336 2560 2580 2592 2628 2752 2880 2920 3072 3096 3139 3240 3285 3440 3456 3483 3504 3840 3870 3942 4096 4128 4320 4380 4608 4644 4672 5120 5160 5184 5256 5504 5760 5805 5840 5913 6144 6192 6278 6480 6570 6880 6912 6966 7008 7680 7740 7884 8192 8256 8640 8760 9216 9288 9344 9417 9855 10240 10320 10368 10512 11008 11520 11610 11680 11826 12288 12384 12556 12960 13140 13760 13824 13932 14016 15360 15480 15695 15768 16384 16512 17280 17415 17520 18432 18576 18688 18834 19710 20480 20640 20736 21024 22016 23040 23220 23360 23652 24576 24768 25112 25920 26280 27520 27648 27864 28032 28251 29565 30720 30960 31390 31536 33024 34560 34830 35040 36864 37152 37376 37668 39420 40960 41280 41472 42048 44032 46080 46440 46720 47085 47304 49152 49536 50224 51840 52560 55040 55296 55728 56064 56502 59130 61440 61920 62780 63072 66048 69120 69660 70080 73728 74304 74752 75336 78840 81920 82560 82944 84096 84753 88064 92160 92880 93440 94170 94608 99072 100448 103680 105120 110080 110592 111456 112128 113004 118260 122880 123840 125560 126144 132096 138240 139320 140160 141255 147456 148608 149504 150672 157680 165120 165888 168192 169506 176128 184320 185760 186880 188340 189216 198144 200896 207360 210240 220160 221184 222912 224256 226008 236520 245760 247680 251120 252288 254259 264192 276480 278640 280320 282510 297216 299008 301344 315360 330240 331776 336384 339012 352256 368640 371520 373760 376680 378432 396288 401792 414720 420480 423765 440320 442368 445824 448512 452016 473040 495360 502240 504576 508518 528384 552960 557280 560640 565020 594432 598016 602688 630720 660480 663552 672768 678024 704512 737280 743040 747520 753360 756864 792576 803584 829440 840960 847530 880640 891648 897024 904032 946080 990720 1004480 1009152 1017036 1056768 1105920 1114560 1121280 1130040 1188864 1196032 1205376 1261440 1271295 1320960 1327104 1345536 1356048 1486080 1495040 1506720 1513728 1585152 1607168 1658880 1681920 1695060 1761280 1783296 1794048 1808064 1892160 1981440 2008960 2018304 2034072 2113536 2211840 2229120 2242560 2260080 2377728 2410752 2522880 2542590 2641920 2691072 2712096 2972160 2990080 3013440 3027456 3170304 3214336 3317760 3363840 3390120 3522560 3566592 3588096 3616128 3784320 3962880 4017920 4036608 4068144 4458240 4485120 4520160 4755456 4821504 5045760 5085180 5283840 5382144 5424192 5944320 5980160 6026880 6054912 6340608 6428672 6635520 6727680 6780240 7133184 7232256 7568640 7925760 8035840 8073216 8136288 8916480 8970240 9040320 9510912 9643008 10091520 10170360 10567680 10764288 10848384 11888640 12053760 12109824 12857344 13455360 13560480 14266368 14464512 15137280 15851520 16071680 16146432 16272576 17832960 17940480 18080640 19021824 19286016 20183040 20340720 21696768 23777280 24107520 24219648 25714688 26910720 27120960 28532736 28929024 30274560 31703040 32143360 32292864 32545152 35665920 36161280 38572032 40366080 40681440 43393536 47554560 48215040 48439296 51429376 53821440 54241920 57065472 57858048 60549120 64286720 65090304 71331840 72322560 77144064 80732160 81362880 86787072 95109120 96430080 96878592 108483840 115716096 121098240 128573440 130180608 142663680 144645120 154288128 161464320 162725760 173574144 192860160 216967680 231432192 242196480 257146880 260361216 285327360 289290240 325451520 347148288 385720320 433935360 462864384 484392960 520722432 578580480 650903040 694296576 771440640 867870720 1041444864 1157160960 1301806080 1388593152 1735741440 2082889728 2314321920 2603612160 3471482880 4165779456 5207224320 6942965760 10414448640 20828897280
• Sum of all divisors σ(n): 77456469552
• Sum of proper divisors (its aliquot sum) s(n): 56627572272
• 20828897280 is an abundant number, because the sum of its proper divisors (56627572272) is greater than itself. Its abundance is 35798674992

Bases of 20828897280

• Binary: 10011011001011111111100000000000000₂
• Hexadecimal: 0x4D97FC000
• Base-36: 9KGZK00

Squares and roots of 20828897280

• 20828897280 squared (20828897280²) is 433842961900791398400
• 20828897280 cubed (20828897280³) is 9036470489082537587981156352000
• The square root of 20828897280 is 144322.1995397797
• The cube root of 20828897280 is 2751.4107265437

Scales and comparisons

• 20,828,897,280 seconds is equal to 662 years, 15 weeks, 2 days, 4 hours, 48 minutes.
• To count from 1 to 20,828,897,280 would take you about one thousand, three hundred twenty-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 20828897280 cubic inches would be around 229.3 feet tall.

Recreational maths with 20828897280

• 20828897280 backwards is 08279882802
• 20828897280 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20828897280's digits is 54
• More coming soon!