21061509120

Names of 21061509120

• Cardinal: 21061509120 can be written as Twenty-one billion, sixty-one million, five hundred nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.106150912 × 10¹⁰

Factors of 21061509120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 157

Divisors of 21061509120

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 31 32 36 38 40 45 48 57 60 62 64 72 76 80 90 93 95 96 97 114 120 124 128 144 152 155 160 171 180 186 190 192 194 228 240 248 256 279 285 288 291 304 310 320 342 360 372 380 384 388 456 465 480 485 496 512 558 570 576 582 589 608 620 640 684 720 744 760 768 776 855 873 912 930 960 970 992 1024 1116 1140 1152 1164 1178 1216 1240 1280 1368 1395 1440 1455 1488 1520 1536 1552 1710 1746 1767 1824 1843 1860 1920 1940 1984 2048 2232 2280 2304 2328 2356 2432 2480 2560 2736 2790 2880 2910 2945 2976 3007 3040 3072 3104 3420 3492 3534 3648 3686 3720 3840 3880 3968 4096 4365 4464 4560 4608 4656 4712 4864 4960 5120 5301 5472 5529 5580 5760 5820 5890 5952 6014 6080 6144 6208 6840 6984 7068 7296 7372 7440 7680 7760 7936 8192 8730 8835 8928 9021 9120 9215 9216 9312 9424 9728 9920 10240 10602 10944 11058 11160 11520 11640 11780 11904 12028 12160 12288 12416 13680 13968 14136 14592 14744 14880 15035 15360 15520 15872 16587 17460 17670 17856 18042 18240 18430 18432 18624 18848 19456 19840 20480 21204 21888 22116 22320 23040 23280 23560 23808 24056 24320 24576 24832 26505 27063 27360 27645 27936 28272 29184 29488 29760 30070 30720 31040 31744 33174 34920 35340 35712 36084 36480 36860 36864 37248 37696 38912 39680 40960 42408 43776 44232 44640 45105 46080 46560 47120 47616 48112 48640 49664 53010 54126 54720 55290 55872 56544 57133 58368 58976 59520 60140 61440 62080 63488 66348 69840 70680 71424 72168 72960 73720 73728 74496 75392 77824 79360 82935 84816 87552 88464 89280 90210 92160 93120 94240 95232 96224 97280 99328 106020 108252 109440 110580 111744 113088 114266 116736 117952 119040 120280 122880 124160 126976 132696 135315 139680 141360 142848 144336 145920 147440 148992 150784 155648 158720 165870 169632 171399 175104 176928 178560 180420 184320 186240 188480 190464 192448 194560 198656 212040 216504 218880 221160 223488 226176 228532 233472 235904 238080 240560 248320 253952 265392 270630 279360 282720 285665 285696 288672 291840 294880 297984 301568 317440 331740 339264 342798 350208 353856 357120 360840 368640 372480 376960 380928 384896 389120 397312 424080 433008 437760 442320 446976 452352 457064 466944 471808 476160 481120 496640 514197 530784 541260 558720 565440 571330 571392 577344 583680 589760 595968 603136 634880 663480 678528 685596 700416 707712 714240 721680 744960 753920 761856 769792 778240 794624 848160 856995 866016 875520 884640 893952 904704 914128 943616 952320 962240 993280 1028394 1061568 1082520 1117440 1130880 1142660 1142784 1154688 1167360 1179520 1191936 1206272 1269760 1326960 1357056 1371192 1400832 1415424 1428480 1443360 1489920 1507840 1539584 1696320 1713990 1732032 1751040 1769280 1787904 1809408 1828256 1887232 1904640 1924480 1986560 2056788 2123136 2165040 2234880 2261760 2285320 2285568 2309376 2334720 2359040 2383872 2412544 2570985 2653920 2714112 2742384 2830848 2856960 2886720 2979840 3015680 3079168 3392640 3427980 3464064 3502080 3538560 3575808 3618816 3656512 3774464 3809280 3848960 3973120 4113576 4246272 4330080 4469760 4523520 4570640 4618752 4718080 4825088 5141970 5307840 5428224 5484768 5661696 5713920 5773440 5959680 6031360 6158336 6785280 6855960 6928128 7004160 7077120 7151616 7237632 7313024 7548928 7697920 8227152 8492544 8660160 8939520 9047040 9141280 9237504 9436160 10283940 10615680 10856448 10969536 11323392 11427840 11546880 11919360 12062720 12316672 13570560 13711920 13856256 14154240 14475264 14626048 15097856 15395840 16454304 16985088 17320320 17879040 18094080 18282560 18475008 18872320 20567880 21231360 21712896 21939072 22646784 23093760 24125440 24633344 27141120 27423840 27712512 28308480 29252096 30791680 32908608 33970176 34640640 35758080 36188160 36565120 36950016 37744640 41135760 42462720 43425792 43878144 45293568 46187520 54282240 54847680 55425024 56616960 58504192 61583360 65817216 67940352 69281280 72376320 73130240 73900032 75489280 82271520 84925440 87756288 92375040 108564480 109695360 110850048 113233920 117008384 123166720 131634432 135880704 138562560 146260480 164543040 169850880 175512576 184750080 217128960 219390720 221700096 226467840 234016768 263268864 277125120 292520960 329086080 339701760 351025152 369500160 438781440 468033536 526537728 554250240 585041920 658172160 679403520 702050304 877562880 1053075456 1108500480 1170083840 1316344320 1404100608 1755125760 2106150912 2340167680 2632688640 3510251520 4212301824 5265377280 7020503040 10530754560 21061509120
• Sum of all divisors σ(n): 80148257280
• Sum of proper divisors (its aliquot sum) s(n): 59086748160
• 21061509120 is an abundant number, because the sum of its proper divisors (59086748160) is greater than itself. Its abundance is 38025239040

Bases of 21061509120

• Binary: 10011100111010111010010000000000000₂
• Hexadecimal: 0x4E75D2000
• Base-36: 9OBH8G0

Squares and roots of 21061509120

• 21061509120 squared (21061509120²) is 443587166411843174400
• 21061509120 cubed (21061509120³) is 9342615150897992693635350528000
• The square root of 21061509120 is 145125.8389123039
• The cube root of 21061509120 is 2761.6151856541

Scales and comparisons

• 21,061,509,120 seconds is equal to 669 years, 35 weeks, 6 days, 11 hours, 12 minutes.
• To count from 1 to 21,061,509,120 would take you about one thousand, three 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 21061509120 cubic inches would be around 230.1 feet tall.

Recreational maths with 21061509120

• 21061509120 backwards is 02190516012
• The number of decimal digits it has is: 11
• The sum of 21061509120's digits is 27
• More coming soon!