20101201920

Names of 20101201920

• Cardinal: 20101201920 can be written as Twenty billion, one hundred one million, two hundred one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.010120192 × 10¹⁰

Factors of 20101201920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 26
• Sum of prime factors: 81

Divisors of 20101201920

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 71 72 80 90 96 108 120 128 135 142 144 160 180 192 213 216 240 256 270 284 288 320 355 360 384 426 432 480 512 540 568 576 639 640 710 720 768 852 864 960 1024 1065 1080 1136 1152 1278 1280 1420 1440 1536 1704 1728 1917 1920 2048 2130 2160 2272 2304 2556 2560 2840 2880 3072 3195 3408 3456 3834 3840 4096 4260 4320 4544 4608 5112 5120 5680 5760 6144 6390 6816 6912 7668 7680 8192 8520 8640 9088 9216 9585 10224 10240 11360 11520 12288 12780 13632 13824 15336 15360 16384 17040 17280 18176 18432 19170 20448 20480 22720 23040 24576 25560 27264 27648 30672 30720 32768 34080 34560 36352 36864 38340 40896 40960 45440 46080 49152 51120 54528 55296 61344 61440 65536 68160 69120 72704 73728 76680 81792 81920 90880 92160 98304 102240 109056 110592 122688 122880 131072 136320 138240 145408 147456 153360 163584 163840 181760 184320 196608 204480 218112 221184 245376 245760 262144 272640 276480 290816 294912 306720 327168 327680 363520 368640 393216 408960 436224 442368 490752 491520 524288 545280 552960 581632 589824 613440 654336 655360 727040 737280 786432 817920 872448 884736 981504 983040 1048576 1090560 1105920 1163264 1179648 1226880 1308672 1310720 1454080 1474560 1572864 1635840 1744896 1769472 1963008 1966080 2097152 2181120 2211840 2326528 2359296 2453760 2617344 2621440 2908160 2949120 3145728 3271680 3489792 3538944 3926016 3932160 4362240 4423680 4653056 4718592 4907520 5234688 5242880 5816320 5898240 6291456 6543360 6979584 7077888 7852032 7864320 8724480 8847360 9306112 9437184 9815040 10469376 10485760 11632640 11796480 13086720 13959168 14155776 15704064 15728640 17448960 17694720 18612224 18874368 19630080 20938752 23265280 23592960 26173440 27918336 28311552 31408128 31457280 34897920 35389440 37224448 39260160 41877504 46530560 47185920 52346880 55836672 56623104 62816256 69795840 70778880 74448896 78520320 83755008 93061120 94371840 104693760 111673344 125632512 139591680 141557760 148897792 157040640 167510016 186122240 209387520 223346688 251265024 279183360 283115520 314081280 335020032 372244480 418775040 446693376 502530048 558366720 628162560 670040064 744488960 837550080 1005060096 1116733440 1256325120 1340080128 1675100160 2010120192 2233466880 2512650240 3350200320 4020240384 5025300480 6700400640 10050600960 20101201920
• Sum of all divisors σ(n): 72477555840
• Sum of proper divisors (its aliquot sum) s(n): 52376353920
• 20101201920 is an abundant number, because the sum of its proper divisors (52376353920) is greater than itself. Its abundance is 32275152000

Bases of 20101201920

• Binary: 10010101110001000000000000000000000₂
• Hexadecimal: 0x4AE200000
• Base-36: 98FQIO0

Squares and roots of 20101201920

• 20101201920 squared (20101201920²) is 404058318628611686400
• 20101201920 cubed (20101201920³) is 8122057850209420997598117888000
• The square root of 20101201920 is 141778.7075692257
• The cube root of 20101201920 is 2718.9883204167

Scales and comparisons

• 20,101,201,920 seconds is equal to 639 years, 8 weeks, 19 hours, 12 minutes.
• To count from 1 to 20,101,201,920 would take you about one thousand, two hundred seventy-eight 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 20101201920 cubic inches would be around 226.6 feet tall.

Recreational maths with 20101201920

• 20101201920 backwards is 02910210102
• 20101201920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20101201920's digits is 18
• More coming soon!