21003744960

Names of 21003744960

• Cardinal: 21003744960 can be written as Twenty-one billion, three million, seven hundred forty-four thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.100374496 × 10¹⁰

Factors of 21003744960

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 7181

Divisors of 21003744960

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 31 32 33 36 40 44 45 48 54 55 60 62 64 66 72 80 88 90 93 96 99 108 110 120 124 132 135 144 155 160 165 176 180 186 192 198 216 220 240 248 264 270 279 288 297 310 320 330 341 352 360 372 396 432 440 465 480 495 496 528 540 558 576 594 620 660 682 704 720 744 792 837 864 880 930 960 990 992 1023 1056 1080 1116 1188 1240 1320 1364 1395 1440 1485 1488 1584 1674 1705 1728 1760 1860 1980 1984 2046 2112 2160 2232 2376 2480 2640 2728 2790 2880 2970 2976 3069 3168 3348 3410 3520 3720 3960 4092 4185 4320 4464 4752 4960 5115 5280 5456 5580 5940 5952 6138 6336 6696 6820 7129 7440 7920 8184 8370 8640 8928 9207 9504 9920 10230 10560 10912 11160 11880 12276 13392 13640 14258 14880 15345 15840 16368 16740 17856 18414 19008 20460 21387 21824 22320 23760 24552 26784 27280 28516 29760 30690 31680 32736 33480 35645 36828 40920 42774 44640 46035 47520 49104 53568 54560 57032 61380 64161 65472 66960 71290 73656 78419 81840 85548 89280 92070 95040 98208 106935 109120 114064 122760 128322 133920 142580 147312 156838 163680 171096 184140 192483 196416 213870 220999 228128 235257 245520 256644 267840 285160 294624 313676 320805 327360 342192 368280 384966 392095 427740 441998 456256 470514 491040 513288 570320 589248 627352 641610 662997 684384 705771 736560 769932 784190 855480 883996 941028 962415 982080 1026576 1104995 1140640 1176285 1254704 1283220 1325994 1368768 1411542 1473120 1539864 1568380 1710960 1767992 1882056 1924830 1988991 2053152 2117313 2209990 2281280 2352570 2430989 2509408 2566440 2651988 2823084 2946240 3079728 3136760 3314985 3421920 3528855 3535984 3764112 3849660 3977982 4106304 4234626 4419980 4705140 4861978 5018816 5132880 5303976 5646168 5966973 6159456 6273520 6629970 6843840 7057710 7071968 7292967 7528224 7699320 7955964 8469252 8839960 9410280 9723956 9944955 10265760 10586565 10607952 11292336 11933946 12154945 12318912 12547040 13259940 14115420 14143936 14585934 15056448 15398640 15911928 16938504 17679920 18820560 19447912 19889910 20531520 21173130 21215904 21878901 22584672 23867892 24309890 25094080 26519880 28230840 29171868 29834865 30797280 31823856 33877008 35359840 36464835 37641120 38895824 39779820 42346260 42431808 43757802 45169344 47735784 48619780 53039760 56461680 58343736 59669730 61594560 63647712 65636703 67754016 70719680 72929670 75282240 77791648 79559640 84692520 87515604 95471568 97239560 106079520 109394505 112923360 116687472 119339460 127295424 131273406 135508032 145859340 155583296 159119280 169385040 175031208 190943136 194479120 212159040 218789010 225846720 233374944 238678920 262546812 291718680 318238560 328183515 338770080 350062416 381886272 388958240 437578020 466749888 477357840 525093624 583437360 636477120 656367030 677540160 700124832 777916480 875156040 954715680 1050187248 1166874720 1312734060 1400249664 1750312080 1909431360 2100374496 2333749440 2625468120 3500624160 4200748992 5250936240 7001248320 10501872480 21003744960
• Sum of all divisors σ(n): 83451801600
• Sum of proper divisors (its aliquot sum) s(n): 62448056640
• 21003744960 is an abundant number, because the sum of its proper divisors (62448056640) is greater than itself. Its abundance is 41444311680

Bases of 21003744960

• Binary: 10011100011111010111011011011000000₂
• Hexadecimal: 0x4E3EBB6C0
• Base-36: 9ND35C0

Squares and roots of 21003744960

• 21003744960 squared (21003744960²) is 441157302344725401600
• 21003744960 cubed (21003744960³) is 9265955465690222336439975936000
• The square root of 21003744960 is 144926.6882254611
• The cube root of 21003744960 is 2759.0881675965

Scales and comparisons

• 21,003,744,960 seconds is equal to 667 years, 44 weeks, 2 days, 21 hours, 36 minutes.
• To count from 1 to 21,003,744,960 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 21003744960 cubic inches would be around 229.9 feet tall.

Recreational maths with 21003744960

• 21003744960 backwards is 06944730012
• 21003744960 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21003744960's digits is 36
• More coming soon!