21305243750400

Names of 21305243750400

• Cardinal: 21305243750400 can be written as Twenty-one trillion, three hundred five billion, two hundred forty-three million, seven hundred fifty thousand, four hundred.

Scientific notation

• Scientific notation: 2.13052437504 × 10¹³

Factors of 21305243750400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 797200

Divisors of 21305243750400

• Number of divisors d(n): 468
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 29 30 32 36 40 45 48 50 58 60 64 72 75 80 87 90 96 100 116 120 128 144 145 150 160 174 180 192 200 225 232 240 256 261 288 290 300 320 348 360 384 400 435 450 464 480 512 522 576 580 600 640 696 720 725 768 800 870 900 928 960 1024 1044 1152 1160 1200 1280 1305 1392 1440 1450 1536 1600 1740 1800 1856 1920 2048 2088 2175 2304 2320 2400 2560 2610 2784 2880 2900 3072 3200 3480 3600 3712 3840 4096 4176 4350 4608 4640 4800 5120 5220 5568 5760 5800 6144 6400 6525 6960 7200 7424 7680 8352 8700 9216 9280 9600 10240 10440 11136 11520 11600 12288 12800 13050 13920 14400 14848 15360 16704 17400 18432 18560 19200 20480 20880 22272 23040 23200 25600 26100 27840 28800 29696 30720 33408 34800 36864 37120 38400 41760 44544 46080 46400 51200 52200 55680 57600 59392 61440 66816 69600 74240 76800 83520 89088 92160 92800 102400 104400 111360 115200 118784 133632 139200 148480 153600 167040 178176 184320 185600 208800 222720 230400 267264 278400 296960 307200 334080 356352 371200 417600 445440 460800 534528 556800 593920 668160 742400 797161 835200 890880 921600 1069056 1113600 1336320 1484800 1594322 1670400 1781760 2227200 2391483 2672640 2969600 3188644 3340800 3985805 4454400 4782966 5345280 6377288 6681600 7174449 7971610 8908800 9565932 11957415 12754576 13363200 14348898 15943220 19131864 19929025 23117669 23914830 25509152 26726400 28697796 31886440 35872245 38263728 39858050 46235338 47829660 51018304 57395592 59787075 63772880 69353007 71744490 76527456 79716100 92470676 95659320 102036608 114791184 115588345 119574150 127545760 138706014 143488980 153054912 159432200 179361225 184941352 191318640 204073216 208059021 229582368 231176690 239148300 255091520 277412028 286977960 306109824 318864400 346765035 358722450 369882704 382637280 408146432 416118042 459164736 462353380 478296600 510183040 554824056 573955920 577941725 612219648 637728800 693530070 717444900 739765408 765274560 816292864 832236084 918329472 924706760 956593200 1020366080 1040295105 1109648112 1147911840 1155883450 1224439296 1275457600 1387060140 1434889800 1479530816 1530549120 1632585728 1664472168 1733825175 1836658944 1849413520 1913186400 2040732160 2080590210 2219296224 2295823680 2311766900 2448878592 2550915200 2774120280 2869779600 2959061632 3061098240 3265171456 3328944336 3467650350 3673317888 3698827040 3826372800 4081464320 4161180420 4438592448 4591647360 4623533800 4897757184 5101830400 5201475525 5548240560 5739559200 5918123264 6122196480 6657888672 6935300700 7346635776 7397654080 7652745600 8162928640 8322360840 8877184896 9183294720 9247067600 9795514368 10203660800 10402951050 11096481120 11479118400 11836246528 12244392960 13315777344 13870601400 14693271552 14795308160 15305491200 16325857280 16644721680 17754369792 18366589440 18494135200 20407321600 20805902100 22192962240 22958236800 23672493056 24488785920 26631554688 27741202800 29386543104 29590616320 30610982400 33289443360 35508739584 36733178880 36988270400 40814643200 41611804200 44385924480 45916473600 47344986112 48977571840 53263109376 55482405600 59181232640 61221964800 66578886720 71017479168 73466357760 73976540800 81629286400 83223608400 88771848960 91832947200 94689972224 106526218752 110964811200 118362465280 122443929600 133157773440 142034958336 146932715520 147953081600 166447216800 177543697920 183665894400 213052437504 221929622400 236724930560 244887859200 266315546880 284069916672 295906163200 332894433600 355087395840 367331788800 426104875008 443859244800 473449861120 532631093760 591812326400 665788867200 710174791680 734663577600 852209750016 887718489600 1065262187520 1183624652800 1331577734400 1420349583360 1775436979200 2130524375040 2367249305600 2663155468800 3550873958400 4261048750080 5326310937600 7101747916800 10652621875200 21305243750400
• Sum of all divisors σ(n): 78942307158780
• Sum of proper divisors (its aliquot sum) s(n): 57637063408380
• 21305243750400 is an abundant number, because the sum of its proper divisors (57637063408380) is greater than itself. Its abundance is 36331819657980

Bases of 21305243750400

• Binary: 100110110000010000011011111000101000000000000₂
• Hexadecimal: 0x1360837C5000
• Base-36: 7JVHS1KW0

Squares and roots of 21305243750400

• 21305243750400 squared (21305243750400²) is 453913411263958257500160000
• 21305243750400 cubed (21305243750400³) is 9670735868554191630371757767000064000000
• The square root of 21305243750400 is 4615760.3653569365
• The cube root of 21305243750400 is 27722.2729844073

Scales and comparisons

• 21,305,243,750,400 seconds is equal to 677,440 years, 44 weeks, 1 day, 8 hours.
• To count from 1 to 21,305,243,750,400 would take you about one million, six hundred ninety-three thousand, six hundred two 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 21305243750400 cubic inches would be around 2310.2 feet tall.

Recreational maths with 21305243750400

• 21305243750400 backwards is 00405734250312
• 21305243750400 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21305243750400's digits is 36
• More coming soon!