21001825152

Names of 21001825152

• Cardinal: 21001825152 can be written as Twenty-one billion, one million, eight hundred twenty-five thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 2.1001825152 × 10¹⁰

Factors of 21001825152

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 139

Divisors of 21001825152

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 32 33 36 37 42 44 48 54 56 63 64 66 72 74 77 79 81 84 88 96 99 108 111 112 126 128 132 144 148 154 158 162 168 176 189 192 198 216 222 224 231 237 243 252 259 264 288 296 297 308 316 324 333 336 352 378 384 396 407 432 444 448 462 474 486 504 518 528 553 567 576 592 594 616 632 648 666 672 693 704 711 729 756 777 792 814 864 869 888 891 896 924 948 972 999 1008 1036 1056 1106 1134 1152 1184 1188 1221 1232 1264 1296 1332 1344 1386 1408 1422 1458 1512 1554 1584 1628 1659 1701 1728 1738 1776 1782 1848 1896 1944 1998 2016 2072 2079 2112 2133 2212 2268 2331 2368 2376 2442 2464 2528 2592 2607 2664 2673 2688 2772 2844 2849 2916 2923 2997 3024 3108 3168 3256 3318 3402 3456 3476 3552 3564 3663 3696 3792 3888 3996 4032 4144 4158 4224 4266 4424 4536 4662 4736 4752 4884 4928 4977 5056 5103 5184 5214 5328 5346 5544 5688 5698 5832 5846 5994 6048 6083 6216 6237 6336 6399 6512 6636 6804 6952 6993 7104 7128 7326 7392 7584 7776 7821 7992 8019 8064 8288 8316 8532 8547 8769 8848 8991 9072 9324 9504 9768 9856 9954 10112 10206 10368 10428 10656 10692 10989 11088 11376 11396 11664 11692 11988 12096 12166 12432 12474 12672 12798 13024 13272 13608 13904 13986 14208 14256 14652 14784 14931 15168 15552 15642 15984 16038 16576 16632 17064 17094 17538 17696 17982 18144 18249 18648 18711 19008 19197 19536 19908 20412 20461 20856 20979 21312 21384 21978 22176 22752 22792 23328 23384 23463 23976 24192 24332 24864 24948 25596 25641 26048 26307 26544 26973 27216 27808 27972 28512 29304 29568 29862 30336 31104 31284 31968 32076 32153 32967 33152 33264 34128 34188 35076 35392 35964 36288 36498 37296 37422 38016 38394 39072 39816 40824 40922 41712 41958 42624 42768 43956 44352 44793 45504 45584 46656 46768 46926 47952 48664 49728 49896 51192 51282 52096 52614 53088 53946 54432 54747 55616 55944 56133 57024 57591 58608 59724 61383 62568 62937 63936 64152 64306 65934 66528 68256 68376 70152 70389 70784 71928 72576 72996 74592 74844 76788 76923 78144 78921 79632 81648 81844 83424 83916 85536 87912 88704 89586 91008 91168 93312 93536 93852 95904 96459 97328 98901 99456 99792 102384 102564 105228 106176 107892 108864 109494 111232 111888 112266 114048 115182 117216 119448 122766 125136 125874 127872 128304 128612 131868 133056 134379 136512 136752 140304 140778 143856 145992 149184 149688 153576 153846 156288 157842 159264 163296 163688 164241 166848 167832 171072 175824 179172 182336 184149 187072 187704 188811 191808 192918 194656 197802 199584 204768 205128 210456 211167 212352 215784 217728 218988 223776 224532 225071 230364 230769 234432 236763 238896 245532 250272 251748 256608 257224 263736 266112 268758 273024 273504 280608 281556 287712 289377 291984 296703 298368 299376 307152 307692 315684 318528 326592 327376 328482 333696 335664 342144 351648 358344 364672 368298 374144 375408 377622 383616 385836 389312 395604 399168 403137 409536 410256 420912 422334 431568 437976 447552 449064 450142 460728 461538 468864 473526 477792 491064 492723 500544 503496 513216 514448 527472 537516 547008 552447 561216 563112 575424 578754 583968 593406 598752 614304 615384 631368 633501 637056 653184 654752 656964 671328 675213 692307 703296 710289 716688 736596 750816 755244 771672 778624 791208 798336 806274 819072 820512 841824 844668 863136 868131 875952 895104 898128 900284 921456 923076 947052 955584 982128 985446 1001088 1006992 1026432 1028896 1054944 1075032 1094016 1104894 1122432 1126224 1150848 1157508 1167936 1186812 1197504 1228608 1230768 1262736 1267002 1309504 1313928 1342656 1350426 1384614 1406592 1420578 1433376 1473192 1478169 1501632 1510488 1543344 1582416 1612548 1641024 1657341 1683648 1689336 1726272 1736262 1751904 1796256 1800568 1842912 1846152 1894104 1911168 1964256 1970892 2013984 2025639 2057792 2076921 2109888 2130867 2150064 2209788 2252448 2315016 2335872 2373624 2395008 2457216 2461536 2525472 2534004 2604393 2619008 2627856 2685312 2700852 2769228 2841156 2866752 2946384 2956338 3003264 3020976 3086688 3164832 3225096 3282048 3314682 3367296 3378672 3452544 3472524 3503808 3592512 3601136 3685824 3692304 3788208 3928512 3941784 4027968 4051278 4115584 4153842 4219776 4261734 4300128 4419576 4434507 4504896 4630032 4747248 4923072 4972023 5050944 5068008 5208786 5255712 5401704 5538456 5682312 5733504 5892768 5912676 6041952 6076917 6173376 6329664 6450192 6629364 6757344 6945048 7007616 7185024 7202272 7371648 7384608 7576416 7813179 7857024 7883568 8055936 8102556 8307684 8523468 8600256 8839152 8869014 9009792 9260064 9494496 9846144 9944046 10101888 10136016 10417572 10511424 10803408 11076912 11364624 11785536 11825352 12083904 12153834 12346752 12659328 12900384 13258728 13514688 13890096 14404544 14769216 14916069 15152832 15626358 15767136 16205112 16615368 17046936 17200512 17678304 17738028 18230751 18520128 18988992 19888092 20272032 20835144 21022848 21606816 22153824 22729248 23439537 23571072 23650704 24167808 24307668 25800768 26517456 27029376 27780192 28809088 29538432 29832138 30305664 31252716 31534272 32410224 33230736 34093872 35356608 35476056 36461502 37040256 37977984 39776184 40544064 41670288 43213632 44307648 45458496 46879074 47301408 48615336 51601536 53034912 54692253 55560384 59664276 62505432 63068544 64820448 66461472 68187744 70713216 70952112 72923004 79552368 81088128 83340576 86427264 88615296 90916992 93758148 94602816 97230672 106069824 109384506 111120768 119328552 125010864 129640896 132922944 136375488 141904224 145846008 159104736 164076759 166681152 187516296 189205632 194461344 212139648 218769012 238657104 250021728 259281792 265845888 272750976 283808448 291692016 318209472 328153518 333362304 375032592 388922688 437538024 477314208 500043456 567616896 583384032 636418944 656307036 750065184 777845376 875076048 954628416 1000086912 1166768064 1312614072 1500130368 1750152096 1909256832 2333536128 2625228144 3000260736 3500304192 5250456288 7000608384 10500912576 21001825152
• Sum of all divisors σ(n): 81340185600
• Sum of proper divisors (its aliquot sum) s(n): 60338360448
• 21001825152 is an abundant number, because the sum of its proper divisors (60338360448) is greater than itself. Its abundance is 39336535296

Bases of 21001825152

• Binary: 10011100011110011100110101110000000₂
• Hexadecimal: 0x4E3CE6B80
• Base-36: 9NBY000

Squares and roots of 21001825152

• 21001825152 squared (21001825152²) is 441076659715179823104
• 21001825152 cubed (21001825152³) is 9263414885966408765068497911808
• The square root of 21001825152 is 144920.0646977499
• The cube root of 21001825152 is 2759.0041019383

Scales and comparisons

• 21,001,825,152 seconds is equal to 667 years, 41 weeks, 1 day, 16 hours, 19 minutes, 12 seconds.
• To count from 1 to 21,001,825,152 would take you about one thousand, three hundred thirty-five 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 21001825152 cubic inches would be around 229.9 feet tall.

Recreational maths with 21001825152

• 21001825152 backwards is 25152810012
• 21001825152 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21001825152's digits is 27
• More coming soon!